Thèses sur le sujet « Displacement Forces »
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Guo, Tianle. « Experimental and theoretical studies of the effects of buoyancy forces on liquid/liquid displacement processes in porous media ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq26121.pdf.
Texte intégralLaskowska, Monika. « A State in Which The Opposing Forces Are Not Equal And Don’t Cancel Out Each Other ». The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1344798482.
Texte intégralMakarchuk, Stanislaw. « Measurement of cell adhesion forces by holographic microscopy ». Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAE034/document.
Texte intégralMechanical forces, generated by the cell plays crucial role in cell adhesion - common process for different cell lines. ln order to measure the force map during cellular adhesion, we use Traction Force Microscopy (TFM), where cell adheres to the soft substrate in 20 plane, and the forces are calculated from measured displacement field inside the substrate underneath the cell. We built the microscope, where instead of using fluorescent markers, we use spherical polystyrene beads in order to measure the displacement field. Positions of the markers are obtained by analyzing the interference pattern caused by the beads in bright-field light. With this technique, we reach nanometer accuracy of the microsphere position determination, that, respectively, influence accuracy of the calculated force field. With the microscope first measurements were performed with cancer cell line SW 480
McClellan, Nathaniel Richard. « "An ex vivo model to evaluate the effect of cyclical adductory forces on maintenance of arytenoid abduction after prosthetic laryngoplasty performed with and without mechanical arytenoid abduction" ». The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1334347534.
Texte intégralKabalan, Bachar. « Dynamique des foules : modélisation du mouvement des piétons et forces associées engendrées ». Thesis, Paris Est, 2016. http://www.theses.fr/2016PESC1126/document.
Texte intégralCrowds are present almost everywhere and affect several aspects of our lives. They are considered to be on of the most complex systems whose dynamics, resulting from individual interactions and giving rise to fascinating phenomena, is very difficult to understand and have always intrigued experts from various domains. The technological advancement, especially in computer performance, has allowed to model and simulate pedestrian movement. Research from different disciplines, such as social sciences and bio-mechanics, who are interested in studying crowd movement and pedestrian interactions were able to better examine and understand the dynamics of the crowd. Professionals from architects and transport planners to fire engineers and security advisors are also interested in crowd models that would help them to optimize the design and operation of a facility. In this thesis, we have worked on the imporvement of a discrete crowd model developed by the researchers from the dynamics group in Navier laboratory. In this model, the actions and decisions taken by each individual are treated. In its previous version, the model was used to simulate urgent evacuations. Three main aspects of the model were addressed in this thesis. The first one concerns pedestrian navigation towards a final destination. In our model, a pedestrian is represented by a disk having a willingness to head to a certain destination with a desired direction and a desired speed. A desired direction is attributed to each pedestrian, depending on his position from the exit, from a floor field that is obtained by solving the eikonal equation. Solving this equation a single time at the beginning of the simulation or several times at during the simulation allows us to obtain the shortest path or the fastest path strategy respectively. The influence of the two strategies on the collective dynamics of the crowds is compared. The second one consists of managing pedestrian-pedestrian interactions. After having chosen his/her direction according to one of the available strategies, a pedestrian is bound to interact with other pedestrians present on the chosen path. We have integrated three pedestrian behaviors in our model: (i) pushing by using an original approach based on the theory of rigid body collisions in a rigorous thermodynamics context, (ii) forcing one's way by introducing a social repulsive force and (iii) "normal" avoidance by using a cognitive approach based on two heuristics. The three methods are compared for different criteria. The last aspect is the validation and verification of the model. We have performed a sensibility study and validated the model qualitatively and quantitatively. Using a numerical experimental plan, we identified the input parameters that are the most statistically significant and estimated the effects of their interactions. Concerning qualitative validation, we showed that our model is able to reproduce several self-organization phenomena such as lane formation. Finally, our model was validated quantitatively for the case of a bottleneck. The experimental results are very close to the ones obtained from simulations. The model was also applied to pedestrian movement in the Noisy-Champs train station. The objective of the study was to estimate the train dwell time. The simulation results were similar to the observations
Schmidt, Joachim, et Wolfgang Bechmann. « Zur Anwendung des Skalarprodukts von Kraft und Weg auf reversible Prozesse (Druck-Volumen-Änderung, Dehnung, Elektrostatische Wechselwirkung, Hub) : die Verwendung äußerer oder systemimmanenter Kräfte ». Universität Potsdam, 2014. http://opus.kobv.de/ubp/volltexte/2014/6973/.
Texte intégralMeier, Amrei [Verfasser]. « Forced Displacement and Development in Host Countries - Resilience as New Concept for Dealing with Situations of Forced Displacement ? / Amrei Meier ». Bonn : Universitäts- und Landesbibliothek Bonn, 2021. http://d-nb.info/1231911190/34.
Texte intégralAntonio, Sergio Francisco Dela. « Estudo da sobrecarga dinamica em caminões por meio de medições diretamente no veiculo ». [s.n.], 2005. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263951.
Texte intégralDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica
Made available in DSpace on 2018-08-12T19:38:01Z (GMT). No. of bitstreams: 1 Antonio_SergioFranciscoDela_M.pdf: 2654431 bytes, checksum: a9d019fe7f3a17bc52fb361d8113f727 (MD5) Previous issue date: 2005
Resumo: As cargas dinâmicas que ocorrem em veículos de carga quando estes estão em movimento, são fortemente responsáveis pela deterioração precoce do piso asfáltico das rodovias e logradouros no Brasil. Também são umas das principais responsáveis pelo desgaste excessivo e prematuro dos componentes do veículo. Estes dois fatores fazem com que os custos de transporte rodoviário no Brasil, de mercadorias e bens, fiquem mais elevados. O objetivo deste trabalho é avaliar uma metodologia para medir as cargas dinâmicas que ocorrem em veículos de carga. Na metodologia proposta, utilizou-se a própria suspensão do veículo como parte do sistema de medição, no caso, veículos com suspensão com feixes de molas. O sistema de medida das cargas dinâmicas é composto pelos feixes de molas e um transdutor de deslocamento. Gerou-se a curva de resposta do feixe de molas com relação aos deslocamentos ocorridos através da aplicação das cargas. Após os estudos preliminares, implantou-se este sistema na suspensão dianteira de um veículo de carga de porte médio. Estimaram-se as cargas dinâmicas em várias condições de piso com o veículo carregado, a partir dos deslocamentos medidos. Os resultados mostram que o sistema funcionou satisfatoriamente, e foi possível quantificar os níveis de cargas dinâmicas ocorridas em casos mais críticos. O maior nível encontrado foi de 33,9% acima da carga estática no lado esquerdo da suspensão dianteira, no trecho com lombadas.
Abstract: The dynamical loads and forces occurring in cargo vehicles under movement are among the major causes of the early deterioration on highway and road pavement in Brazil. These dynamical loads are also responsible for the premature and excessive wear on several vehicle components. These two factors combined are among the main reasons why road transportation costs are so expensive in Brazil. The objective of this work is to suggest and evaluate a methodology for measuring the dynamical loads and forces on moving cargo vehicles. This methodology utilizes the suspension system of the vehicle itself as part of the measurement system. In the experimental part of this study a force measuring system was conceived using the leaf spring assembly of the vehicle suspension combined with a simple displacement transducer strategically installed in the vehicle suspension. This force measuring system was installed in a mid-range cargo truck. The characteristic curve of the suspension leaf spring set was determined by the application of static loads onto the vehicle. After calibration and fine adjustments of the system, several experimental runs were performed in the loaded vehicle, measuring the dynamic loads in several pavement types and traffic conditions. The results showed that the system worked satisfactorily, and it was possible to determine the dynamic loads occurred on all experimental runs. The greatest dynamic load found in the field was 33,9 % above the static load on the left front suspension.
Mestrado
Mecanica dos Sólidos e Projeto Mecanico
Mestre em Engenharia Mecânica
Waterfall, Tyler Lane. « Design of Piezoresistive MEMS Force and Displacement Sensors ». Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1549.pdf.
Texte intégralOswin, Natalie. « Re-framing feminist approaches to forced displacement/refugee discourse ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0021/MQ49420.pdf.
Texte intégralGuataquí, Roa Juan Carlos. « Forced displacement and internal migration in Colombia, 1992-2004 ». Thesis, University of Warwick, 2006. http://wrap.warwick.ac.uk/2453/.
Texte intégralManafpour, Alireza. « Force and displacement-based seismic design of RC buildings ». Thesis, Imperial College London, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.398834.
Texte intégralVesga, Johana M. « Internal displacement : the link between government inefficienncy and forced migration ». Honors in the Major Thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1516.
Texte intégralBachelors
Sciences
Political Science
Cate, Evan Derek. « Design, Implementation, and Test of a Micro Force Displacement System ». DigitalCommons@CalPoly, 2014. https://digitalcommons.calpoly.edu/theses/1192.
Texte intégralHess, Tara K. « Forced to Flee : Iraqi Experiences of Displacement in the 2003 War ». The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1275667201.
Texte intégralJoseph, Daniel. « EXPERIENCING DISPLACEMENT AND STATELESSNESS : FORCED MIGRANTS IN ANSE-À-PITRES, HAITI ». UKnowledge, 2019. https://uknowledge.uky.edu/anthro_etds/43.
Texte intégralGuo, Tianle. « Effects of buoyancy forces on miscible liquid-liquid displacements in porous media ». Thesis, University of Ottawa (Canada), 1994. http://hdl.handle.net/10393/6825.
Texte intégralThirunavu, Subramanian. « Effects of buoyancy forces on immiscible oil/water displacements in porous media ». Thesis, University of Ottawa (Canada), 1994. http://hdl.handle.net/10393/10231.
Texte intégralChuah, Meng Yee (Meng Yee Michael). « Composite force sensing foot utilizing volumetric displacement of a hyperelastic polymer ». Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/78211.
Texte intégralThis electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (p. 65-67).
In this thesis, I will describe the fabrication and characterization of a footpad based on an original principle of volumetric displacement sensing. It is intended for use in detecting ground contact forces in a running quadrupedal robot. The footpad is man- ufactured as a monolithic, composite structure composed of multi-graded polymers which are reinforced by glass fiber to increase durability and traction. The volumetric displacement sensing principle utilizes a hyperelastic gel-like pad with embedded magnets that are tracked with Hall-effect sensors. Normal and shear forces can be detected as contact with the ground which causes the gel-like pad to deform into rigid wells. This is all done without the need to expose the sensor. A one-time training process using an artificial neural network was used to relate the normal and shear forces with the volumetric displacement sensor output. The sensor was shown to pre- dict normal forces in the Z-axis up to 80N with a root mean squared error of 6.04% as well as the onset of shear in the X and Y-axis. This demonstrates a proof-of-concept for a more robust footpad sensor suitable for use in all outdoor conditions.
by Meng Yee (Michael) Chuah.
S.M.
Nuseibah, Munir. « Forced displacement in the Palestinian-Israeli conflict, international law and transitional justice ». Thesis, University of Westminster, 2013. https://westminsterresearch.westminster.ac.uk/item/8z109/forced-displacement-in-the-palestinian-israeli-conflict-international-law-and-transitional-justice.
Texte intégralBeazley, Kim Rachael. « Oustee powerlessness, pragmatism, and potential : conservation-induced displacement in central India ». Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609495.
Texte intégralBakr, Junied. « Displacement-based approach for seismic stability of retaining structures ». Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/displacementbased-approach-for-seismic-stability-of-retaining-structures(fed35f6a-9a0d-46ae-8607-1dc434dc7c28).html.
Texte intégralWilson, Patrick Richard. « Large scale passive force-displacement and dynamic earth pressure experiments and simulations ». Diss., [La Jolla] : University of California, San Diego, 2009. http://wwwlib.umi.com/cr/ucsd/fullcit?p3386932.
Texte intégralTitle from first page of PDF file (viewed February 11, 2010). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references.
Zea, Juan Esteban. « Internal Displacement in Colombia : Violence, Resettlement, and Resistance ». PDXScholar, 2010. https://pdxscholar.library.pdx.edu/open_access_etds/359.
Texte intégralGuardiera, Simon [Verfasser]. « Effects of hypergravity on manual forces and displacements : causes and practical implications / Simon Guardiera ». Köln : Deutsche Sporthochschule Köln, 2009. http://d-nb.info/1070604097/34.
Texte intégralParonesso, Antonio. « Rational approximation and realization of generalized force-displacement relationship of an unbounded medium / ». [S.l.] : [s.n.], 1997. http://library.epfl.ch/theses/?nr=1611.
Texte intégralStuart-Watson, David. « A simple force feedback accelerometer/seismometer based on a tuning fork displacement sensor ». Master's thesis, University of Cape Town, 2005. http://hdl.handle.net/11427/5098.
Texte intégralThis thesis describes research into the use of a piezoelectric tuning fork as the displacement sensor in a simple force feedback seismometer. The research also includes the use of a second piezoelectric transducer as both the suspension system and the force transducer for the seismometer. A simple inertial seismometer model, based on a damped mass-spring system, was developed.
Simon, Todd R. « Microgripper force feedback integration using piezoresistive cantilever structure / ». Online version of thesis, 2008. http://hdl.handle.net/1850/7855.
Texte intégralAbo-Hameed, Meethaq. « An international criminal framework to prosecute the legacy of forced internal displacement in Iraq ». Thesis, Bangor University, 2017. https://research.bangor.ac.uk/portal/en/theses/an-international-criminal-framework-to-prosecute-the-legacy-of-forced-internal-displacement-in-iraq(72ce4a02-5e19-4c2b-b46e-8f334a23e2a6).html.
Texte intégralSANTI, AMANTINI LAURA. « Justice and Forced Migration : Beyond the Open Borders Debate ». Doctoral thesis, Università degli studi di Genova, 2021. http://hdl.handle.net/11567/1056717.
Texte intégralMcPherson, Timothy Steven. « A force and displacement self-sensing method for a mri compatible tweezer end effector ». Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44829.
Texte intégralKawchuk, Gregory N. « Ultrasonic indentation, a technique for the non-invasive quantification of spinal force-displacement properties ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0027/NQ49506.pdf.
Texte intégralYovichin, Richard D. III. « Hyperbolic Representation of Force Versus Displacement Relationship for Lateral Pipe Movement in Dry Soil ». Youngstown State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ysu153340490751023.
Texte intégralRami, Andrea. « Displacement mapping in cinematic scientific visualization ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.
Trouver le texte intégralSinger, Jane. « Examining the Roles of Multiple Stakeholders in Dam-forced Resettlement of Ethnic Minorities in Vietnam ». 京都大学 (Kyoto University), 2015. http://hdl.handle.net/2433/195954.
Texte intégralEstrada, Matthew A. « Design and fabrication of force sensing robotic foot utilizing the volumetric displacement of a hyperelastic polymer ». Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/74436.
Texte intégralCataloged from PDF version of thesis.
Includes bibliographical references (p. 39-40).
This thesis illustrates the fabrication and characterization of a footpad based on an original principle of volumetric displacement sensing. It is intended for use in detecting ground reaction forces in a running quadrupedal robot. The footpad is manufactured as a monolithic, composite structure composed of multi-graded polymers reinforced by glass fiber to increase durability and traction. The volumetric displacement sensing principle utilizes a hyperelastic gel-like pad with embedded magnets and Hall-effect sensors. Normal and shear forces can be detected as contact forces cause the gel-like pad to deform into rigid wells without the need to expose the sensor. A one-time training process using an artificial neural network was used to relate the normal and shear forces with the volumetric displacement sensor output. Two iterations on geometry are prototyped and tested. The first shows the ability to accurately predict normal forces in the Z-axis up to 80 N with a root mean squared error of 6% but little information about shear forces in the X an Y-axis. The second iteration demonstrates an ability to pick up the presence and direction of shear forces up to 40 N but with a root mean squared error of 70%. This project demonstrates a proof-of-concept for a more robust force sensor suitable for use in robotics that requires compliance while interacting with its environment.
by Matthew A. Estrada.
S.B.
Adong, Annet [Verfasser]. « Armed Conflicts and Forced Displacements : Incentives and Consequences on Consumption and Social Preferences / Annet Adong ». Bonn : Universitäts- und Landesbibliothek Bonn, 2021. http://d-nb.info/1235525104/34.
Texte intégralNasreen, Zobaida. « The indigeneity question : state violence, forced displacement and women's narratives in the Chittagong Hill Tracts of Bangladesh ». Thesis, Durham University, 2017. http://etheses.dur.ac.uk/12063/.
Texte intégralParigi, Marta. « Food Security and Social Cohesion among communities affected by violence and forced displacement in the Eastern Mediterranean ». Doctoral thesis, Università degli studi di Trento, 2022. http://hdl.handle.net/11572/340516.
Texte intégralStensö, Theodor. « What is the value of home ? : A quantitative study on the effects of natural resource extraction on conflict-induced displacement ». Thesis, Uppsala universitet, Institutionen för freds- och konfliktforskning, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-434075.
Texte intégralChen, Xiaomei [Verfasser], et Meinhard [Akademischer Betreuer] Schilling. « Atomic Force Microscope (AFM) Cantilevers as Encoder for Real-Time Displacement Measurements / Xiaomei Chen ; Betreuer : Meinhard Schilling ». Braunschweig : Technische Universität Braunschweig, 2011. http://d-nb.info/1175824984/34.
Texte intégralHo, Hon Ping. « The Influence of Braking System Component Design Parameters on Pedal Force and Displacement Characteristics. Simulation of a passenger car brake system, focusing on the prediction of brake pedal force and displacement based on the system components and their design characteristics ». Thesis, University of Bradford, 2009. http://hdl.handle.net/10454/7447.
Texte intégralWilcox, F. Rowan. « Home, neighborhood, and renewal : resident perceptions of forced relocation ». Thesis, Manhattan, Kan. : Kansas State University, 2009. http://hdl.handle.net/2097/1655.
Texte intégralBisha, James Victor. « The Effect of Load Stabilizer Selection on Load Shift Within Unit Loads ». Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/33035.
Texte intégralMaster of Science
Murach, Michelle Marie. « The Contribution of the Individual Rib to Thoracic Response Under Dynamic Loading Conditions : A Preliminary Hierarchical Approach ». The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1500378733759382.
Texte intégralKreienborg, Marius. « Durable Solutions, Durable Peace ? : Assessing the Impact of Peace Agreement Provisions Regarding Forced Displacement on the Durability of Peace ». Thesis, Uppsala universitet, Institutionen för freds- och konfliktforskning, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-353816.
Texte intégralMendelsohn, Joshua B. « Is forced displacement a barrier to acceptable outcomes among refugees on antiretroviral therapy ? : a field-study in Malaysia and Kenya ». Thesis, London School of Hygiene and Tropical Medicine (University of London), 2012. http://researchonline.lshtm.ac.uk/4646549/.
Texte intégralSnow, Scott Karl. « Numerical Analysis of Passive Force on Skewed BridgeAbutments with Reinforced Concrete Wingwalls ». BYU ScholarsArchive, 2008. https://scholarsarchive.byu.edu/etd/7399.
Texte intégralHamid, Hisham. « Process monitoring of blanking coarse grained and ultra-fine grained aluminium sheets using force-displacement characteristics and acoustic emission technique ». Thesis, University of Strathclyde, 2010. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=12838.
Texte intégralAvnaïm, Francis. « Placement et déplacement de formes rigides ou articulées ». Besançon, 1989. http://www.theses.fr/1989BESA2018.
Texte intégral