Academic literature on the topic 'Science concept forces'
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Journal articles on the topic "Science concept forces"
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Anjarsari, Putri. "The Common Science Misconceptions in Indonesia Junior High School Students." Journal of Science Education Research 2, no. 1 (April 17, 2018): 21–24. http://dx.doi.org/10.21831/jser.v2i1.19329.
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Identifying and correcting the mistake that students make about science concept is very important. The main purpose of this article is to analyse some publications about common science misconceptions in some science topics in junior high schools. Misconceptions are erroneous perceptions of what is universally accepted. The misconception identification in this research is based on the descriptive research using some journal publications in Indonesia university which is held science education study program. Study found that : the concept of photosynthesis, respirations, the relationship of photosynthesis and respirations, force (action and reaction forces) , and Newton laws are most frequently investigated as misconceptions of science. Students’ interest and learning environments are some reasons of students’ misconceptions.
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Šlekienė, Violeta, and Loreta Ragulienė. "THE ANALYSIS OF PUPILS’ PRE-SCIENTIFIC NOTIONS AND SCIENTIFIC CONCEPTS ABOUT MOTION AND FORCES." GAMTAMOKSLINIS UGDYMAS / NATURAL SCIENCE EDUCATION 3, no. 2 (August 15, 2006): 17–24. http://dx.doi.org/10.48127/gu-nse/06.3.17a.
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The issue of the study. Our precondition was that non-scientific notions formed by pupils affect concept teaching. If non-scientific notions are in conformity with the content of scientific concepts the teacher should rely on them forming new concepts, explaining natural phenomena, etc. It contributes to the concept comprehension efficacy. In case non-scientific notions are in collision with the content of scientific concepts they should be corrected as in that case they interfere with the formation of scientific concepts. The goals of research. The goals of the research were: 1) to clarify the interaction of pre-scientific notions and scientific concepts about motion and forces; 2) to evaluate the comprehension of concepts by those pupils who had studied physics and to clarify changes in concept understanding and typical errors that had remained after systematic study. Methodology of research. The research was carried out in year 2004. 700 pupils of 7th and 9th forms from the schools of Siauliai, Kaunas, Telsiai district, Kelme district and young physicists’ school “Fotonas” have been involved in the research. Group I included 7th formers (265 pupils), who had not studied physics as a separate subject but had elementary knowledge of physics from the course “World Science” (1st – 4th forms) and the integrated course of natural sciences “Nature and Man” (5th – 6th forms). Group II consisted of 9th form pupils (540), who have been studying physics for three years. The same questions and tasks adapted to the pupils’ age and previous knowledge were given to each group. The concepts from the topics “Force” were included. The tasks included elementary knowledge of the researched concepts familiar to pupils from both groups, but exact and correct answers were given by the 9th formers who had already analysed the topics. Besides, aiming for better evaluation of knowledge in physics, pupils of Group II answering the questions had to formulate proper definitions of the concepts or laws. A discussion method was used to clarify pupils’ thinking procedures. The received data was processed using statistical research methods. Results of research. It was stated during the research that before starting a systematic study of physics pupils had had pre-scientific notions. A number of incorrect notions on motion and force were revealed. In many cases pre-scientific notions were typical and in a way understandable for pupils. Pre-scientific notions often are retained even after purposeful teaching, and in some time or situations they turn out to be even more distinct and convincing than the scientific ones. It has been stated that pupils reproduce concept definitions without any efforts, but in a definite situation they base solutions of a definite task on misleading notions. Very often pupils understand the content of some concepts in a wrong way, do not make distinction between concepts and confuse functional relations of concepts. They are already able to indicate the features of a concept, but are not able to separate essential and inessential concepts. Key words: concept, pre-scientific images, motion, force, and typical mistakes.
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Antoniadis, Ioannis A., Stratis A. Kanarachos, Konstantinos Gryllias, and Ioannis E. Sapountzakis. "KDamping: A stiffness based vibration absorption concept." Journal of Vibration and Control 24, no. 3 (May 4, 2016): 588–606. http://dx.doi.org/10.1177/1077546316646514.
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The KDamper is a novel passive vibration isolation and damping concept, based essentially on the optimal combination of appropriate stiffness elements, which include a negative stiffness element. The KDamper concept does not require any reduction in the overall structural stiffness, thus overcoming the corresponding inherent disadvantage of the “Quazi Zero Stiffness” (QZS) isolators, which require a drastic reduction of the structure load bearing capacity. Compared to the traditional Tuned Mass damper (TMD), the KDamper can achieve better isolation characteristics, without the need of additional heavy masses, as in the case of the T Tuned Mass damper. Contrary to the TMD and its variants, the KDamper substitutes the necessary high inertial forces of the added mass by the stiffness force of the negative stiffness element. Among others, this can provide comparative advantages in the very low frequency range. The paper proceeds to a systematic analytical approach for the optimal design and selection of the parameters of the KDamper, following exactly the classical approach used for the design of the Tuned Mass damper. It is thus theoretically proven that the KDamper can inherently offer far better isolation and damping properties than the Tuned Mass damper. Moreover, since the isolation and damping properties of the KDamper essentially result from the stiffness elements of the system, further technological advantages can emerge, in terms of weight, complexity and reliability. A simple vertical vibration isolation example is provided, implemented by a set of optimally combined conventional linear springs. The system is designed so that the system presents an adequate static load bearing capacity, whereas the Transfer Function of the system is below unity in the entire frequency range. Further insight is provided to the physical behavior of the system, indicating a proper phase difference between the positive and the negative stiffness elastic forces. This fact ensures that an adequate level of elastic forces exists throughout the entire frequency range, able to counteract the inertial and the external excitation forces, whereas the damping forces and the inertia forces of the additional mass remain minimal in the entire frequency range, including the natural frequencies. It should be mentioned that the approach presented does not simply refer to discrete vibration absorption device, but it consists a general vibration absorption concept, applicable also for the design of advanced materials or complex structures. Such a concept thus presents the potential for numerous implementations in a large variety of technological applications, whereas further potential may emerge in a multi-physics environment.
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BRÄNNBACK, MALIN, ALAN CARSRUD, and MAIJA RENKO. "EXPLORING THE BORN GLOBAL CONCEPT IN THE BIOTECHNOLOGY CONTEXT." Journal of Enterprising Culture 15, no. 01 (March 2007): 79–100. http://dx.doi.org/10.1142/s0218495807000058.
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Purpose: The purpose of this research paper is to explore what constitutes being "born global." We approach the born global phenomenon by applying ideas presented in existing international entrepreneurship, business, and marketing literatures. In addition, the paper illustrates how market orientation is a relevant construct for understanding the existence of born global firms. Market orientation is contrasted with science driven strategies in young, technology based firms and in both domains. In markets as well as in science, both global and local forces influence the behavior of new biotechnology based companies. Methodology: This paper uses mixed methods including interviews and multiple industry cluster surveys. Qualitative data is analyzed by categorizing and combining data (thematic interviews). Numeric (quantitative) survey data is summarized by using non-parametric statistics. Findings: Young ventures in a global biotechnology based industry simultaneously face forces that drive them towards localization and other forces that require a more global approach. Even though both the markets of biotechnology products as well as the science base are increasingly global, this paper suggests that true born globals must do more than passively adapt to this global scene. Born global firms should pursue active, market oriented strategies in their internationalization. Since our sample firms typically perceive international market orientation as less valuable that international scientific reputation, we conclude that they do not always fulfill the "born global" criteria.
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Sarkity, Dios, and Putri Dwi Sundari. "The ability of Junior High School Science Teacher in Solving The Problems of Torque." Jurnal Geliga Sains: Jurnal Pendidikan Fisika 8, no. 2 (December 31, 2020): 73. http://dx.doi.org/10.31258/jgs.8.2.73-85.
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Understanding the concept is an important aspect of solving various physics problems. Understanding the concept will help in understanding the problems, determining problem-solving strategies, and using mathematics appropriately as a problem-solving tool. Lack of conceptual understanding results in the tendency to solve problems by relying solely on formulas without knowing the proper use of formulas according to the underlying concepts of the problem. Various problems related to rotational motion can be explained through the concept of torque. To solve the problem of torque, understanding the concept of torque and mastering the concept of vectors are needed to find solutions to the problems Many of the science teachers have a background in physics education. Science teachers who are a bachelor of physics education should master various physics concepts even though the material is not taught at the junior high school level. Therefore, the authors conducted research to determine the ability of science teachers with an education background in physics education in solving the problems of torque. The study involved 10 science teachers who teach in 10 different schools. This research was a descriptive study with data collection techniques in the form of a questionnaire using an essay question to test the science teacher's ability in solving the problems of torque. The results showed that most of the participants could not solve the problem of torque due to a lack of understanding of the concept in determining the torque generated by forces with various positions.
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Brill, Keith F. "Revisiting an Old Concept: The Gradient Wind*." Monthly Weather Review 142, no. 4 (March 27, 2014): 1460–71. http://dx.doi.org/10.1175/mwr-d-13-00088.1.
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Abstract The gradient wind is defined as a horizontal wind having the same direction as the geostrophic wind but with a magnitude consistent with a balance of three forces: the pressure gradient force, the Coriolis force, and the centrifugal force arising from the curvature of a parcel trajectory. This definition is not sufficient to establish a single way of computing the gradient wind. Different results arise depending upon what is taken to be the parcel trajectory and its curvature. To clarify these distinctions, contour and natural gradient winds are defined and subdivided into steady and nonsteady cases. Contour gradient winds are based only on the geostrophic streamfunction. Natural gradient winds are obtained using the actual wind. Even in cases for which the wind field is available along with the geostrophic streamfunction, it may be useful to obtain the gradient wind for comparison to the existing analyzed or forecast wind or as a force-balanced reference state. It is shown that the nonanomalous (normal) solution in the case of nonsteady natural gradient wind serves as an upper bound for the actual wind speed. Otherwise, supergradient wind speeds are possible, meaning that a contour gradient wind or the steady natural gradient wind used as an approximation for an actual wind may not be capable of representing the full range of actual wind magnitude.
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MERAR, Djamel Ben, and Nassera MELLAH. "RASING FORCES: PATTERNS OF REDISTRIBUTION OF POWER IN WORLD POLITICS." RIMAK International Journal of Humanities and Social Sciences 03, no. 06 (July 1, 2021): 165–76. http://dx.doi.org/10.47832/2717-8293.6-3.15.
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This article examines Rising Powers: Patterns of Power Redistribution in Global Politics, by creating a reliable framework for understanding the increasing complexities of the actors in the international arena. This is by studying the concept of power, which is one of the basic concepts in political science, whereby force imposes its logic on the curves of international relations and has multiple forms due to its complex nature. In what can be considered dual roles and reciprocal interactions, and to understand the dimensions, manifestations and nature of the actors in the power equation, especially the emergence of tensions and conflicts between the interests of the United States of America and the emerging powers in the world in light of the new strategic directions after the Cold War and each party's attempt to dominate areas of influence and wealth Proceeding from a pragmatic geopolitical policy.
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Ramano, Gilbert. "The South African Army concept for providing combat-ready forces." African Security Review 8, no. 5 (January 1999): 13–22. http://dx.doi.org/10.1080/10246029.1999.9627760.
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CAVADAS, BENTO. "FROM THE CONTRACTING EARTH TO CONTINENTAL DRIFT: WEGENER'S INFLUENCE ON PORTUGUESE AND SPANISH SCIENCE TEXTBOOKS THROUGH THE TWENTIETH CENTURY." Earth Sciences History 38, no. 1 (April 1, 2019): 74–93. http://dx.doi.org/10.17704/1944-6178-38.1.74.
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ABSTRACT Alfred Wegener's work on continental drift profoundly influenced the development of geology during the twentieth century. The main objective of this historical research is to explore how Wegener's hypothesis about the origin of continents and oceans influenced Portuguese and Spanish science textbooks published in the twentieth century. For this purpose, a qualitative method based on the Chevallard's concept of didactic transposition was used. The didactic transposition of the fundamentals of continental drift, including displacements forces and geographical, geophysical, geological, paleontological, biological, and paleoclimatic arguments used by Wegener to support this hypothesis, was studied in a comprehensive sample of twenty science textbooks published after the publication of Die Entstehung der Kontinente und Ozeane (Wegener 1915). The analysis of textbooks shows that the didactic transposition of continental drift was commonly present in Portuguese and Spanish textbooks beginning in the 1930s, although, with different degrees of development. Science textbooks since the 1950s presented the displacement forces of sial continental blocks proposed by Wegener, namely the centrifugal force of Earth's rotation and the attractive gravitational force that results from the interaction of the earth with the moon and sun. The geographical, geological, paleontological and biological arguments supporting continental drift were commonly addressed in many science textbooks, followed by the paleoclimatic arguments. The geophysical arguments were briefly addressed in only two textbooks. Many Portuguese and Spanish textbooks also presented critiques of Wegener's work, mainly focused on the lack of explanation for the origin and nature of forces that could move continents at the Earth's surface.
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Guzzardi, Luca. "Ruggiero Boscovich and “the Forces Existing in Nature”." Science in Context 30, no. 4 (December 2017): 385–422. http://dx.doi.org/10.1017/s0269889717000266.
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ArgumentAccording to a long-standing interpretation which traces back to Max Jammer'sConcepts of Force(1957), Ruggiero G. Boscovich would have developed a concept of force in the tradition of Leibniz's dynamics. In his variation on the theme, basic properties of matter such as solidity or impenetrability would be derived from an interplay of some “active” force of attraction and repulsion that any primary element of nature (“point of matter” in Boscovich's theory) would possess. In the present paper I discuss many flaws of this interpretation and argue for an alternative point of view, according to which the crucial aspect in the development of Boscovich's natural philosophy is his early definition of forces as “mathematical determinations” to have a certain state of motion. This is consistent with a Newtonian background and has as its epistemological consequence a certain agnosticism about the nature of forces and a “mathematical neutralism” (mathematics as a neutral tool, allowing for a plurality of interpretations).
Dissertations / Theses on the topic "Science concept forces"
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Humffray, Jennifer Jane, and n/a. "Early childhood science education : the study of young children's understanding of forces." University of Canberra. Teacher Education, 2000. http://erl.canberra.edu.au./public/adt-AUC20060731.131000.
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This study sought to investigate young children's understandings of the
science concept forces. A government preschool in the A.C.T. was the
setting for the study.
The research methodology consisted of pre and post interviews
conducted before and after a teaching sequence using an interactive
approach to teaching science (Biddulph and Osbome 1984). Interviews
were audio taped, work samples were kept and lessons and discussions
were audio taped during the teaching sequence.
This study examined three factors associated with young children's
understandings of the science concept forces. First, it documented
young children's understandings prior to any formal teaching in this
area. It was found that most children did hold views about the areas of
forces such as pushes and pulls, inertia, friction and gravity. Some of
these views are generally recognised by the scientific community as
being scientifically correct answers.
Second, this study sought to reveal if these prior views were changed
or reached a higher conceptual level after the experience of a three
week interactive teaching sequence on forces. It was found that in all
cases changes in language indicating higher level understandings, the
use of scientific terms and more detailed responses indicated that it
was possible and relevant at the early childhood level to teach the
concepts of forces.
A third aspect of this study sought to identify teaching strategies which
would effectively teach forces to very young children.
It became clear in this study that as young children already have views
about the concepts of forces it is possible to build on these views with
correct scientific knowledge and thus empower the young child in an
area of science which research has indicated may cause problems for
older learners.
It is therefore proposed that early childhood is a crucial time for
teaching correct science concepts in the area of forces.
This thesis has shown that young children, particularly those 4-5 years old, have
already formed views of forces, some scientifically correct and it is proposed that
building on this existing knowledge will empower the child in later learning in the
areas of physics and mechanics.
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Mahla, Philip L. Riga Christopher N. "An operational concept for the transformation of SOF into a fifth service /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Jun%5FMahla.pdf.
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Riga, Christopher N., and Philip L. Mahla. "An operational concept for the transformation of SOF into a fifth service." Thesis, Monterey, California. Naval Postgraduate School, 2003. http://hdl.handle.net/10945/952.
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Approved for public release, distribution is unlimitedThis thesis defines the strategic utility of Special Operation Forces (SOF), identifies why SOF only provide limited strategic utility, and presents an operational concept for the reorganization, alignment, and employment of SOF to overcome these shortf alls. The thesis is presented in a deductive manner that argues that SOF were designed for strategic purposes, and leads the reader to conclude that reformation must occur for SOF to provide strategic utility and meet their intent. SOF would be in an optimal position to meet their organizational intent by becoming a fifth armed service within the Department of Defense (DoD). Through the creation of mission-based units and a holistic employment strategy, SOF would become a strategic instrument capability of assisting national decision -makers in blending the elements of national power. Finally, the thesis concludes with additional required areas for research to make this concept become a reality, but that are beyond the scope of this study.
Major, United States Army
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Bindis, Michael P. "Students' misconceptions about intermolecular forces as investigated through paper chromatography experiments and the Molecular Attractions Concept Inventory." Miami University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=miami1379167186.
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Ziegler, Thomas. "The long war concept using the security cooperation Marine Air Ground Task Force to address irregular threats through shaping and deterrence /." Quantico, VA : Marine Corps Command and Staff College, 2008. http://handle.dtic.mil/100.2/ADA490846.
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Haber, Stéphane. "Les formes de la connaissance du présent dans les sciences sociales : une introduction au concept de modernité." Besançon, 1996. http://www.theses.fr/1996BESA1028.
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Guillaud, Jean-Claude. "Enseignement et apprentissage du concept de force en classe de troisième." Université Joseph Fourier (Grenoble), 1998. http://www.theses.fr/1998GRE10159.
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Notre travail s'inscrit dans une étape de la recherche en didactique de la physique, qui, au vu des travaux existants, permet d'élaborer une problématique prenant en compte simultanément des questions d'enseignement et d'apprentissage. Nous proposons un tour d'horizon sur la nature des concepts de base de la mécanique, tel qu'il ressort des travaux actuels en histoire des sciences. Nous parcourons les nombreux travaux de didactique qui ont mis en évidence la grande difficulté d'appréhension chez les élèves du mouvement, du repos et de la notion de force. Nous rappelons l'importance des intermédiaires sémiotiques dans l'élaboration d'une pensée nouvelle. Notre hypothèse centrale est que la compréhension conceptuelle implique la coordination de registres sémiotiques heterogenes, dans leur mise en relation avec différentes situations expérimentales. Nous avons fait le choix de fournir aux élèves un cadre explicite de modèle enseigne, dont nous supposons qu'il ouvrera a la fois comme point d'appui et comme cadre de contraintes pour des raisonnements d'élèves confrontes a un certain type de situations expérimentales. L'expérimentation a été conduite dans trois classes de troisième. Nous donnons, a l'aide de ces outils, une description de l'évolution des raisonnements d'élèves. Nous montrons qu'un système d'explications primitives vient permettre et surtout s'opposer au modèle propose. Nous montrons aussi que les dimensions des productions des élèves n'évoluent pas d'une manière homogène selon le registre sémiotique. Nous observons aussi des explications parallèles, ou se combinent des références au modèle propose et au registre primitif. Mais surtout, nous montrons que le modèle agit bien comme un système de contraintes qui, peu a peu, impose de ne pas se laisser négliger par les élèves. Nous montrons qu'avec un investissement assez faible, une progression sensible peut être atteinte sur des questions dont toute la recherche en didactique montre la difficulté.
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Campbell, Meghann. "THE EFFECTS OF THE 5E LEARNING CYCLE MODEL ON STUDENTS' UNDERSTANDING OF FORCE AND MOTION CONCEPTS." Master's thesis, University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3727.
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As advocated by the National Research Council [NRC] (1996) and the American Association for the Advancement of Science [AAAS] (1989), a change in the manner in which science is taught must be recognized at a national level and also embraced at a level that is reflected in every science teacher's classroom. With these ideas set forth as a guide for change,this study investigated the fifth grade students' understanding of force and motion concepts as they engaged in inquiry-based science investigations through the use of the 5E Learning Cycle. The researcher's journey through this process was also a focus of the study. Initial data were provided by a pretest indicating students' understanding of force and motion concepts. Four times weekly for a period of 14 weeks, students participated in investigations related to force and motion concepts. Their subsequent understanding of these concepts and their ability to generalize their understandings was evaluated via a posttest. Additionally, a review of lab activity sheets, other classroom-based assessments, and filmed interviews allowed for the triangulation of pertinent data necessary to draw conclusions from the study. Findings showed that student knowledge of force and motion concepts did increase although their understanding as demonstrated on paper lacked completeness versus understanding in an interview setting. Survey results also showed that after the study students believed they did not learn science best via textbook-based instruction.M.Ed.;
Department of Teaching and Learning Principles
Education
K-8 Mathematics and Science Education
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Carter, Timothy R. "Knowledge value added as a methodology to evaluate the Office of Force Transformation's Wolf-PAC / Stiletto program concepts." Thesis, Monterey, California. Naval Postgraduate School, 2006. http://hdl.handle.net/10945/2557.
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With the DoD acquisition of programs and projects becoming increasingly expensive, it is imperative that the method or measure for determining value for a particular project, real or conceptual, be identified and used enterprise-wide. The form of analysis known as the Knowledge Value Added (KVA) methodology, KVA will evaluate the Office Force Transformation Wolf-PAC / Stiletto concepts. This thesis will explore two distinctly different areas which demonstrate the KVA method's use and benefit: 1. The use of the KVA method to find improvements in a Command and Control (C2) process, and 2. To demonstrate the increase value that the Stiletto ship brings to littoral operations (i.e., Mine hunting). The resulting values will be compared in varying notional scenarios to assess potential improvements for knowledge processes. This method of analysis will demonstrate how a reengineered process, resulting from the KVA method, enables organizations to maximize knowledge creation and production capacity.
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Stecklein, Jason Jeffrey. "Effects of interactive technology, teacher scaffolding and feedback on university students' conceptual development in motion and force concepts." Diss., University of Iowa, 2014. https://ir.uiowa.edu/etd/1506.
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The utilization of interactive technologies will affect learning in science classrooms of the future. And although these technologies have improved in form and function, their effective employment in university science classrooms has lagged behind the rapid development of new constructivist pedagogies and means of instruction. This dissertation examines the enlistment of instructional technologies, in particular tablet PCs and DyKnow Interactive Software, in a technologically enhanced, university-level, introductory physics course. Results of this qualitative case study of three university students indicate that (1) the use of interactive technology positively affects both student learning within force and motion and self-reported beliefs about physics, (2) ad hoc use of instructional technologies may not sufficient for effective learning in introductory physics, (3) student learners dictate the leveraging of technology in any classroom, and (4) that purposeful teacher structuring of classroom activities with technologies are essential for student construction of knowledge. This includes designing activities to elicit attention and make knowledge visible for low-level content, while augmenting student interactions and modelling procedural steps for higher-level content.
Books on the topic "Science concept forces"
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Honekamp, Wilfried. Concept Development & Experimentation: Erfahrungen aus der praktischen Anwendung der Methode zur Transformation von Streitkräften. Remscheid: Re Di Roma-Verlag, 2008.
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Han'guk ŭi mirae chŏnjaeng yangsang kwa Han'gukkun ŭi haptong chakchŏn kaenyŏm: Future warfare in Korea, joint operational concept of the ROK Armed forces. Sŏul: Han'guk Kukpang Yŏn'guwŏn, 2010.
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Jablonsky, David. War by land, sea, and air: Dwight Eisenhower and the concept of unified command. New Haven [Conn.]: Yale University Press, 2010.
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Jablonsky, David. War by land, sea, and air: Dwight Eisenhower and the concept of unified command. New Haven [Conn.]: Yale University Press, 2010.
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Jablonsky, David. War by land, sea, and air: Dwight Eisenhower and the concept of unified command. New Haven [Conn.]: Yale University Press, 2010.
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War by land, sea, and air: Dwight Eisenhower and the concept of unified command. New Haven: Yale University Press, 2010.
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Watts, D. Michael. Appraising the understanding of science concepts: Force. Guildford: Department of Educational Studies, University of Surrey, 1987.
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Ganeri, Anita. Fearsome forces of nature. Chicago, Ill: Raintree, 2013.
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Concepts, Canada Directorate of Land Strategic. Future force: Concepts for future army capabilities. Kingston, Ont: Directorate of Land Strategic Concepts, 2003.
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Lider, Julian. Correlation of forces: An analysis of Marxist-Leninist concepts. Aldershot, Hants, England: Gower, 1986.
Find full textBook chapters on the topic "Science concept forces"
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Motz, Lloyd, and Jefferson Hane Weaver. "Structures and Forces." In The Concepts of Science, 1–6. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4899-6333-8_1.
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Phillipson, Neil, and Rupert Wegerif. "Science and the concept of ‘force’." In Dialogic Education, 89–103. New York : Routledge, 2017.: Routledge, 2016. http://dx.doi.org/10.4324/9781315621869-9.
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Motz, Lloyd, and Jefferson Hane Weaver. "Acceleration, Force, and Mass." In The Concepts of Science, 81–102. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4899-6333-8_5.
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Garrett, Steven L. "Comfort for the Computationally Crippled." In Understanding Acoustics, 1–55. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-44787-8_1.
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Abstract The difference between engineering and science, and all other human activity, is the fact that engineers and scientists make quantitative predictions about measurable outcomes and can specify their uncertainty in such predictions. Because those predictions are quantitative, they must employ mathematics. This chapter is intended as review of some of the more useful mathematical concepts, strategies, and techniques that are employed in the description of vibrational and acoustical systems and in the calculation of their behavior. Topics in this review include techniques such as Taylor series expansions, integration by parts, and logarithmic differentiation. Equilibrium and stability considerations lead to relations between potential energies and forces. The concept of linearity leads to superposition and Fourier analysis. Complex numbers and phasors are introduced along with the techniques for their algebraic manipulation. The discussion of physical units is extended to include their use for predicting functional dependencies of resonance frequencies, quality factors, propagation speeds, flow noise, and other system behaviors using similitude and the Buckingham Π-theorem to form dimensionless variables. Linearized least-squares fitting is introduced as a method for extraction of experimental parameters and their uncertainties and error propagation is presented to allow those uncertainties to be combined.
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Tani, Makoto. "A Concept for Runoff Processes on a Steep Forested Hillslope." In Environmental Forest Science, 455–62. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5324-9_49.
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Christensen, Dan Charly. "Ørsted's Concept Of Force And Theory Of Music." In Hans Christian Ørsted And The Romantic Legacy In Science, 115–33. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-2987-5_7.
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van Fenema, Paul C., and Ton van Kampen. "Foundational Concepts of Military Logistics." In Handbook of Military Sciences, 1–25. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-02866-4_71-1.
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AbstractMilitary logistics can be seen as a set of processes that supports military organizations in their development into a capable and functional sustaining military force. Thus, the objective of this chapter is to bring to the forefront and elaborate on some of the foundational premises of military logistics as it is portrayed in its body of literature. To guide this presentation, a generic model is presented which relates logistics’ process and structure sides to its generic and mission specific sides. After these generic foundations, two deep dive themes are explored: strategic alignment of resources and logistics management and strategic defense supply chain security management. Recent historic cases illustrate the two themes. The chapter concludes with new ideas on military logistics innovation and draws attention to innovation and performance challenges in the context of military organizations cooperation.
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Klaassen, Kees. "The Concept of Force as a Constitutive Element of Understanding the World." In Research and the Quality of Science Education, 447–57. Dordrecht: Springer Netherlands, 2005. http://dx.doi.org/10.1007/1-4020-3673-6_35.
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Guadagni, Alessandro, and Umberto Pascucci. "Business Model Canvas: an introduction." In Manuali – Scienze Tecnologiche, 45. Florence: Firenze University Press, 2020. http://dx.doi.org/10.36253/978-88-5518-044-3.45.
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The Business Model Canvas is a strategic tool that uses visual language to create and develop high-value innovative business models. The goal of this lesson is to give a clear and precise definition of BMC and see how this concept can fit into the world of SPA. In this sense, in the previous months the 3 farmers have developed, with the help of external collaborators, their BMC, visually representing the process of creating, distributing and capturing value for their customers. The results are presented as "good practices". The BMC is completed with the presentation of the "external forces framework" . Furthermore, one slide presents the difference between BMC and Business Plan.
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Eliseev, Alexander A., Tatiana A. Kalashnikova, Andrey V. Filippov, and Evgeny A. Kolubaev. "Material Transfer by Friction Stir Processing." In Springer Tracts in Mechanical Engineering, 169–88. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60124-9_8.
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AbstractMechanical surface hardening processes have long been of interest to science and technology. Today, surface modification technologies have reached a new level. One of them is friction stir processing that refines the grain structure of the material to a submicrocrystalline state. Previously, the severe plastic deformation occurring during processing was mainly described from the standpoint of temperature and deformation, because the process is primarily thermomechanical. Modeling of friction stir welding and processing predicted well the heat generation in a quasi-liquid medium. However, the friction stir process takes place in the solid phase, and therefore the mass transfer issues remained unresolved. The present work develops the concept of adhesive-cohesive mass transfer during which the rotating tool entrains the material due to adhesion, builds up a transfer layer due to cohesion, and then leaves it behind. Thus, the transfer layer thickness is a clear criterion for the mass transfer effectiveness. Here we investigate the effect of the load on the transfer layer and analyze it from the viewpoint of the friction coefficient and heat generation. It is shown that the transfer layer thickness increases with increasing load, reaches a maximum, and then decreases. In so doing, the average moment on the tool and the temperature constantly grow, while the friction coefficient decreases. This means that the mass transfer cannot be fully described in terms of temperature and strain. The given load dependence of the transfer layer thickness is explained by an increase in the cohesion forces with increasing load, and then by a decrease in cohesion due to material overheating. The maximum transfer layer thickness is equal to the feed to rotation rate ratio and is observed at the axial load that causes a stress close to the yield point of the material. Additional plasticization of the material resulting from the acoustoplastic effect induced by ultrasonic treatment slightly reduces the transfer layer thickness, but has almost no effect on the moment, friction coefficient, and temperature. The surface roughness of the processed material is found to have a similar load dependence.
Conference papers on the topic "Science concept forces"
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Potluri, Hemanth, Joshua J. Jones, and Laine Mears. "Comparison of Electrically-Assisted and Conventional Friction Stir Welding Processes by Feed Force and Torque." In ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/msec2013-1192.
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The process of friction stir welding involves high tool forces and requires robust machinery; the forces involved make tool wear a predominant problem. As a result, many alternatives have been proposed in decreasing tool forces such as laser assisted friction stir welding and ultra-sound assisted friction stir welding. However, these alternatives are not commercially successful on a large scale due to scalability and capital/maintenance costs. In an attempt to reduce forces in a cost-feasible manner, electrically-assisted friction stir welding (EAFSW) is studied in this work. EAFSW is a result of applying the concept of electrically-assisted manufacturing (i.e., passing high direct electrical current through a workpiece during processing) to the conventional friction stir welding process. The concept of EAFSW is a relatively new adaptation of conventional frictional stir welding, which is well established. The expected benefits are reduction in the feed force and torque, which allow for improved processing productivity as well as the possibility for deeper penetration of the weld.
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Skyrius, Rimvydas, Igor Katin, Michail Kazimianec, Svetlana Nemitko, Gediminas Rumšas, and Raimundas Žilinskas. "Factors Driving Business Intelligence Culture." In InSITE 2016: Informing Science + IT Education Conferences: Lithuania. Informing Science Institute, 2016. http://dx.doi.org/10.28945/3420.
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[The final form of this paper was published in the journal Issues in Informing Science and Information Technology.] The field of business intelligence (BI), despite rapid technology advances, continues to feature inadequate levels of adoption. The attention of researchers is shifting towards hu-man factors of BI adoption. The wide set of human factors influencing BI adoption con-tains elements of what we call BI culture – an overarching concept covering key managerial issues that come up in BI implementation. Research sources provide different sets of features pertaining to BI culture or related concepts – decision-making culture, analytical culture and others. The goal of this paper is to perform the rview of research and practical sources to examine driving forces of BI – data-driven approaches, BI agility, maturity and acceptance – to point out culture-related issues that support BI adoption and to suggest an emerging set of factors influencing BI culture.
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Tai, Bruce L., Yancheng Wang, and Albert J. Shih. "Cutting Force of Hollow Needle Insertion in Soft Tissue." In ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/msec2013-1124.
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This paper presents a 3-D finite element model (FEM) using cohesive zone (CZ) concept to simulate the hollow needle insertion and identify the change in cutting force. CZ is a FEM technique that integrates the fracture mechanics based on surface energy and has often used in analysis of crack propagation. Experiments of needle insertion into the soft polyvinyl chloride (PVC) phantom tissue were conducted using two types of needle (bias bevel and lancet) under a constant speed to identify friction and cutting forces. Using the CZ concept, a thin layer of FEM is built to observe the tissue flow and cutting force along the needle cutting edge during insertion. Both experimental observation and modeling results show higher cutting force for the lancet tip due to smaller rake angle along the cutting edge. This FEM approach has demonstrated the potential as being an analysis tool for hollow needle insertion.
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Hiegemann, Lars, and A. Erman Tekkaya. "Ball Burnishing Under High Velocities Using a New Rolling Tool Concept." In ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/msec2017-2644.
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Ball burnishing is a process used to smooth rough surfaces. For not rotational symmetric parts, the process is typically conducted on milling machines. Since it is an incremental process, it is relatively time consuming. Therefore, a rolling tool is developed, which superposes the rotation of the milling spindle with the feed of the machine to increase the rolling velocity. In order to achieve constant rolling forces, hydrostatic ball burnishing tools are used. Within this work, the influence of this tool concept on the processing time as well as on the leveling of surface irregularities is investigated. This is achieved by a comparison with a conventional ball burnishing process. Finally, the rotating tool is used to investigate the influence of high rolling speeds on the leveling of the surface. All experiments were carried out with thermally coated specimens. A model for calculating the strain rates at the roughness peaks during ball burnishing is derived. For the experiments carried out with the rotating rolling tool, rolling velocities of 50,000 mm/min were realized. Calculations with the developed model showed that this results in local strain rates at the roughness peaks of up to 1,384 s−1. In addition, the flow stresses at the roughness peaks were calculated. Compared with quasi static experiments, the flow stress drops to less than the half under high velocities. This results in a better leveling of the surface for rolling velocities between 10,000 mm/min and 25,000 mm/min. A further rise of the rolling speed increases the flow stress again and thereby reduces the possible leveling.
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Heshmat, Hooshang, and James F. Walton. "A Bladeless Turbocompressor Concept: Shear Driven Gas Compression With Deformable Structures: Part 1 — Experimental Proof of Concept." In ASME 2017 Power Conference Joint With ICOPE-17 collocated with the ASME 2017 11th International Conference on Energy Sustainability, the ASME 2017 15th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2017 Nuclear Forum. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/power-icope2017-3374.
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A novel concept for shear flow driven gas compression that could enable next generation turbomachinery has been designed and experimentally demonstrated. In order to achieve this, a prototype proof-of-concept compliant foil-based bladeless turbo-compressor device was developed and used to conduct a gas compression parametric study. The principle underpinning the operation of this device is the conversion of shaft power into hydrodynamically generated pressure that occurs in the shear flow between a smooth rotating disk and a compliant surface. The present compliant foil bladeless turbocompressor (CFBT) is an evolutionary derivative of self-acting compliant foil bearings and seals, which operate in the hydrodynamic regime. Thus, as in these devices, the process of compression induced by shear flow is dominated by the balance between pressure and viscous forces, which are in turn enhanced and controlled by tribological effects arising between the shear layer and the deformable geometry of the compliant surface. The single shaft foil bearing based proof-of-concept CFBT presented is powered by a permanent magnet motor capable of reaching speeds up 360,000 rpm, and consists of two independent compression stages mounted on opposite ends of the shaft. Each compression stage consists of a smooth disk with the effective corresponding counterface of radii 7.6 mm < r < 14.1 mm, with one of each disk’s surfaces facing a four-pad compliant foil surface mounted on the housing. The nominal initial gap separating each of the disks from their corresponding compliant foils is nominally h0 = 0.025 mm and 0.4 mm, respectively. In this configuration, air is entrained from opposite directions through axial intakes and turned 90° as it undergoes shear between the rotating disk and the compliant foil pads of each of the stages, inducing a net radially-oriented outward flow, which is then collected in the quasi-volute of the respective stage. The system is heavily instrumented, with each of the quasi-volutes fitted with thermocouples, pressure probes and a flow meter. An experimental parametric study was performed compressing standard temperature and pressure air for varying speeds up to 360,000 rpm. Performance curves reporting flow vs. pressure as well as compression power requirements vs. speed were obtained for the individual compression stages. The experimental results on the proof of concept turbocompressor are analyzed in the context of the theoretical foundations presented in a companion paper (Heshmat and Cordova, 2017), showing excellent correlation. It is anticipated that due to its simple bladeless geometry, application of this novel technology in conjunction with foil bearings will result in low cost, ultra-high speed, high efficiency, high specific power, miniaturized turbocompressors and high power density oil-free and maintenance-free machines, such as compressors, meso-scale gas turbines, or turbogenerators. Attractive applications for this technology range from military micro-UAV propulsion and portable power systems, to domestic combined heat and power (CHP) turboalternators and medical devices such as portable oxygen concentrators and CPAP (Continuous Positive Air Pressure) machines.
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Shai, Offer, and Gordon R. Pennock. "The Duality Between Planar Kinematics and Statics." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84002.
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This paper shows that there is a correlation between basic concepts underlying the kinematics of mechanisms and the statics of trusses. The implication of this correlation, referred to here as duality, is that the science of kinematics can be utilized in a systematic manner to yield insight into the statics of mechanical systems. The paper begins by proving the existence of a unique line (referred to as the equimomental line) where the moments, at each point on this line, caused by two arbitrary co-planar forces are equal. The dual concept in kinematics is the instantaneous center of zero velocity and two theorems are presented based on the duality between equimomental lines and instantaneous centers. The first theorem states that the three equimomental lines defined by three co-planar forces must intersect at a unique point. The second theorem states that the equimomental line for two co-planar forces acting in a trusss with two degrees of indeterminacy must pass through a unique point. The paper presents several practical examples to demonstrate how the duality between kinematics and statics provides a better understanding of planar linkages and trusses. The new concepts are used to identify the singular configurations of linkages and the configurations of determinate trusses where they are not rigid. Finally, the paper takes advantage of some important relationships between linkages and trusses to provide a general perspective of the duality between the kinematics of mechanisms and the statics of trusses.
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Pal, Mainak, Vandit Pandya, and Anupam Agrawal. "Study of Formability Limit Based on Ductile Damage Criteria of Incremental Sheet Forming of Titanium Grade 2 Sheet." In ASME 2021 16th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/msec2021-64005.
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Abstract Incremental sheet forming (ISF) process is an alternative and advanced sheet metal forming technique, well-known due to its flexible and die-less method of forming compared to other traditional forming methods. It is a modern concept-based sheet forming technique adaptive to develop both simple and complicated shapes/components successfully. The clamped metal sheet undergoes small incremental deformations via layer by layer line movement of ball point type hemispherical tool with the help of numerically controlled (NC) user pre-defined definite toolpath. Numerical simulation is an effective method to study the forming process and predict the formability limit in ISF. In this paper, ductile damage failure criteria has been used to investigate the forming limit diagram (FLD) of commercially pure Titanium grade 2 (CP-Ti Gr2) sheet through finite element simulation in ABAQUS® software. Truncated conical shape geometry with three different incremental step depth (Δz) at constant wall angle has been formed. Simulation results of the FLD have been validated and compared with the experimental data from the literature. Finite element analysis (FEA) for predicting the sheet thickness variation along the forming depth and process forming forces also have been carried out. Higher step depth resulted in better formability of the titanium sheet with less sheet thickness reduction. Forming forces (Fz) with smaller step depth showed good results as compared to other two step depths.
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Sathyanarayana, Dileep, and Sundar Krishnamurty. "A Visualization-Based Approach to Engineering Kinematics Using Cognitive Models." In ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/detc2004-57717.
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Visualization and spatial reasoning are integral to developing an understanding of contemporary sciences. They form the basis for understanding a wide variety of topics across science, mathematics and engineering, including molecular structures, topologies, motion and forces, and manufacturing processes. Within engineering, it can be argued that challenging and time consuming topics such as kinematics can be better taught by faculty, and hence better understood and appreciated by students, by advancing our understanding of human visualization and spatial reasoning and using this knowledge to develop computer-based visualization instruction in ways that maximize their effectiveness. The achievement of such a goal will require importing proven extant theories from other fields such as psychology, education, engineering and computer science. This paper presents the results of one such effort for teaching engineering kinematics. The motivation for this work can be found in cognitive science literature, where motion comprehension has been identified and studied as a mental task. Accordingly, a major task in doing this work involved the study of cognitive models of motion comprehension, and identifying key stages present in them. Mapping such key stages in motion comprehension on to kinematics domain, this paper presents the framework for the visual comprehension based pedagogical approach to kinematics. A web-based gear-trains tutor has been developed to demonstrate this concept. Results from the tests on a controlled population of engineering students are presented and the efficacy of a visual comprehension based approach as an instructional tool is discussed.
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Parsons, Michael J., and Nicholas M. Josefik. "Accelerating Production Readiness Using Lean Product Development." In ASME 2009 7th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2009. http://dx.doi.org/10.1115/fuelcell2009-85126.
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Lean manufacturing and accelerated product development, two forces when combined into lean product development, can accelerate time-to-market and manufacturing scale-up, achieving production readiness in the shortest possible time. This paper presents what is possible when the two underlying themes of lean manufacturing and new product development unite with the orchestrated chaos of a high performing team. A benchmark value stream has been documented along with product development cycle time examples ranging from 4 to 16 months for concept-to-production readiness.
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Kuo, Hsin-Yu, Kevin Meyer, Roger Lindle, and Jun Ni. "Estimation of Milling Tool Temperature Considering Coolant and Wear." In ASME 2011 International Manufacturing Science and Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/msec2011-50218.
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This paper presents a novel technique to estimate the temperature distribution of a milling tool during machining. In this study, heat generation during the machining process is estimated using cutting forces. We consider the heat to be time-dependent heat flux into the tool. In the proposed model, we discretize each rake face on a mill into several elements; each experiences time-dependent heat flux. Second, we approximate the time-dependent heat flux as several constant heat input starts at different time. Finally, we sum the temperature rise from each heat flux to obtain the overall temperature change. A similar concept is applied on the flank surface, where the flank wear area is modeled as an additional heat generation zone. Experimental results are presented to validate the developed model.
Reports on the topic "Science concept forces"
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Kofler, Jakob, Elisabeth Nindl, Dorothea Sturn, and Magdalena Wailzer. Participatory Approaches in Research, Technology and Innovation (RTI) Policy and their Potential Impact. Fteval - Austrian Platform for Research and Technology Policy Evaluation, July 2021. http://dx.doi.org/10.22163/fteval.2021.518.
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The present article reviews various concepts of participatory science and research and discusses their potential to exhibit impact on the relationship between science and society. Starting with an overview of rationales, concepts and challenges, different forms and intensities of participatory approaches in research and innovation are discussed. We then look at the situation in Austria and sort selected Austrian funding programmes and initiatives into a diagram according to the intensity of participation as well as the social groups involved in each case. Finally, we try to gain more precise indications of the impact of participatory programmes on the relationship between science and society. Many questions remain unanswered, as precise analyses and evaluation results are usually lacking. While different surveys provide insights into society’s level of information on a general level, interest, involvement and attitude towards science and research, approaches for impact assessment are fragmented and remain on the surface. We therefore propose to develop an analytical framework based on existing approaches and to include collaboratively developed indicators in it.
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Chornodon, Myroslava. FEAUTURES OF GENDER IN MODERN MASS MEDIA. Ivan Franko National University of Lviv, February 2021. http://dx.doi.org/10.30970/vjo.2021.49.11064.
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The article clarifies of gender identity stereotypes in modern media. The main gender stereotypes covered in modern mass media are analyzed and refuted. The model of gender relations in the media is reflected mainly in the stereotypical images of men and woman. The features of the use of gender concepts in modern periodicals for women and men were determined. The most frequently used derivatives of these macroconcepts were identified and analyzed in detail. It has been found that publications for women and men are full of various gender concepts that are used in different contexts. Ingeneral, theanalysisofthe concept-maximums and concept-minimum gender and their characteristics is carried out in the context of gender stereotypes that have been forme dand function in the society, system atizing the a ctual presentations. The study of the gender concept is relevant because it reveals new trends and features of modern gender images. Taking into account the special features of gender-labeled periodicals in general and the practical absence of comprehensive scientific studies of the gender concept in particular, there is a need to supplement Ukrainian science with this topic. Gender psychology, which is served by methods of various sciences, primarily sociological, pedagogical, linguistic, psychological, socio-psychological. Let us pay attention to linguistic and psycholinguistic methods in gender studies. Linguistic methods complement intelligence research tasks, associated with speech, word and text. Psycholinguistic methods used in gender psychology (semantic differential, semantic integral, semantic analysis of words and texts), aimed at studying speech messages, specific mechanisms of origin and perception, functions of speech activity in society, studying the relationship between speech messages and gender properties participants in the communication, to analyze the linguistic development in connection with the general development of the individual. Nowhere in gender practice there is the whole arsenal of psychological methods that allow you to explore psychological peculiarities of a person like observation, experiments, questionnaires, interviews, testing, modeling, etc. The methods of psychological self-diagnostics include: the gender aspect of the own socio-psychological portrait, a gender biography as a variant of the biographical method, aimed at the reconstruction of individual social experience. In the process of writing a gender autobiography, a person can understand the characteristics of his gender identity, as well as ways and means of their formation. Socio-psychological methods of studying gender include the study of socially constructed women’s and men’s roles, relationships and identities, sexual characteristics, psychological characteristics, etc. The use of gender indicators and gender approaches as a means of socio-psychological and sociological analysis broadens the subject boundaries of these disciplines and makes them the subject of study within these disciplines. And also, in the article a combination of concrete-historical, structural-typological, system-functional methods is implemented. Descriptive and comparative methods, method of typology, modeling are used. Also used is a method of content analysis for the study of gender content of modern gender-stamped journals. It was he who allowed quantitatively to identify and explore the features of the gender concept in the pages of periodicals for women and men. A combination of historical, structural-typological, system-functional methods is also implemented in the article. Descriptive and comparative methods, method of typology, modeling are used. A method of content analysis for the study of gender content of modern gender-labeled journals is also used. It allowed to identify and explore the features of the gender concept quantitatively in the periodicals for women and men. The conceptual perception and interpretation of the gender concept «woman», which is highlighted in the modern gender-labeled press in Ukraine, requires the elaboration of the polyfunctionality of gender interpretations, the comprehension of the metaphorical perception of this image and its role and purpose in society. A gendered approach to researching the gender content of contemporary periodicals for women and men. Conceptual analysis of contemporary gender-stamped publications within the gender conceptual sphere allows to identify and correlate the meta-gender and gender concepts that appear in society.
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Conviviality-Inequality in Latin America, Maria Sibylla Merian Centre. Conviviality in Unequal Societies: Perspectives from Latin America Thematic Scope and Preliminary Research Programme. Maria Sibylla Merian International Centre for Advanced Studies in the Humanities and Social Sciences Conviviality-Inequality in Latin America, 2017. http://dx.doi.org/10.46877/mecila.2017.01.
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The Maria Sibylla Merian International Centre for Advanced Studies in the Humanities and Social Sciences Conviviality-Inequality in Latin America (Mecila) will study past and present forms of social, political, religious and cultural conviviality, above all in Latin America and the Caribbean while also considering comparisons and interdependencies between this region and other parts of the world. Conviviality, for the purpose of Mecila, is an analytical concept to circumscribe ways of living together in concrete contexts. Therefore, conviviality admits gradations – from more horizontal forms to highly asymmetrical convivial models. By linking studies about interclass, interethnic, intercultural, interreligious and gender relations in Latin America and the Caribbean with international studies about conviviality, Mecila strives to establish an innovative exchange with benefits for both European and Latin American research. The focus on convivial contexts in Latin America and the Caribbean broadens the horizon of conviviality research, which is often limited to the contemporary European context. By establishing a link to research on conviviality, studies related to Latin America gain visibility, influence and impact given the political and analytical urgency that accompanies discussions about coexistence with differences in European and North American societies, which are currently confronted with increasing socioeconomic and power inequalities and intercultural and interreligious conflicts.