Academic literature on the topic 'Static rigidity'
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Journal articles on the topic "Static rigidity"
Hou, Ya Li, and Wei Ping Mao. "Analysis of Static and Dynamic Stiffness for Coupled Double-Rotor Spindle System of High Speed Grinder." Key Engineering Materials 522 (August 2012): 278–82. http://dx.doi.org/10.4028/www.scientific.net/kem.522.278.
Full textLiu, Shi Hao, Wen Hua Ye, Wei Fang Chen, and Ting Zhang. "Simulation and Experiment Study for Spindle of Numerical Control Machine Tool." Applied Mechanics and Materials 16-19 (October 2009): 1289–93. http://dx.doi.org/10.4028/www.scientific.net/amm.16-19.1289.
Full textDyakonov, A. A., A. Kh Nurkenov, I. V. Shmidt, A. S. Degtyareva, A. S. Ovsienko, and A. D. Kazanskii. "Static rigidity of numerically controlled lathes." Russian Engineering Research 37, no. 7 (July 2017): 622–25. http://dx.doi.org/10.3103/s1068798x17070103.
Full textHu, Jin, and Gen Bao Zhang. "Experiments and Study of the Static Rigidity of Workpiece Spindle of Direct-Drive Gear Hobbing Machine." Applied Mechanics and Materials 233 (November 2012): 355–60. http://dx.doi.org/10.4028/www.scientific.net/amm.233.355.
Full textBao, Limin, Masayuki Takatera, and Akira Shinohara. "Dynamic and Static Flexural Rigidity of Fabric." Sen'i Gakkaishi 49, no. 12 (1993): 642–47. http://dx.doi.org/10.2115/fiber.49.12_642.
Full textGalloway, Gregory J., and Pengzi Miao. "Variational and rigidity properties of static potentials." Communications in Analysis and Geometry 25, no. 1 (2017): 163–83. http://dx.doi.org/10.4310/cag.2017.v25.n1.a5.
Full textConnelly, Robert, and Walter Whiteley. "The Stability of Tensegrity Frameworks." International Journal of Space Structures 7, no. 2 (June 1992): 153–63. http://dx.doi.org/10.1177/026635119200700208.
Full textYun, Gabjin, and Seungsu Hwang. "Rigidity of generalized Bach-flat vacuum static spaces." Journal of Geometry and Physics 121 (November 2017): 195–205. http://dx.doi.org/10.1016/j.geomphys.2017.07.016.
Full textQing, Jie, and Wei Yuan. "On scalar curvature rigidity of vacuum static spaces." Mathematische Annalen 365, no. 3-4 (October 6, 2015): 1257–77. http://dx.doi.org/10.1007/s00208-015-1302-0.
Full textWang, Kai, Chang-guang Zhou, and Yi Ou. "Investigation of the fluctuation of the static axial rigidity for double-nut preloaded ball screws." Advances in Mechanical Engineering 11, no. 1 (January 2019): 168781401882218. http://dx.doi.org/10.1177/1687814018822181.
Full textDissertations / Theses on the topic "Static rigidity"
Custer, Erica M. "Cortical Bone Mechanics Technology and Quasi-static Mechanical Testing Sensitivity to Bone Collagen Degradation." Ohio University Honors Tutorial College / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1556281791006274.
Full textGraham, Daniel Joseph. "The Long Term Effects of Short-Wave Diathermy and Long-Duration Static Stretch on Hamstring Flexibility." Diss., CLICK HERE for online access, 2004. http://contentdm.lib.byu.edu/ETD/image/etd624.pdf.
Full textLekeš, Petr. "Návrh a optimalizace tělesa vřeteníku pro obráběcí stroj." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-444267.
Full textAdomaitis, Vytautas. "Dviračio vairo statinio stiprumo ir standumo tyrimas." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2011. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2011~D_20110804_100307-66335.
Full textNowadays bike has quite an important place among other modes of transport. It provides greater freedom of movement, and it is used for leisure, travelling, tourism and sports. It is not only convenient but also cost-effective vehicle of travelling. As the bicycle wheel is one of its most important elements that determine the wheel control, so it is important that the static strength and rigidity would comply with the requirements of qualify. Quality requirements compliance has an impact on the quality and safety of the bicycle. Compliance to the requirements is determined during the experiment. The experiment is considered positive if there are no breaks, cracks, scratches and the structural changes in shape meet the permitted levels. In order to analyse and experimentally verify the handlebar static strength and rigidity using tenzosensor measurement and information system operated by „Catman” software has been made an experimental bicycle wheel strength and rigidity analysis. Experimental results and finite element method calculations showed that the bicycle wheel meets the strength and rigidity standards requirements and don’t exceed them.
Melo, Barbara Nardi. "Analise de provas de carga a compressão a luz do conceito de rigidez." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/258764.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Civil, Arquitetura e Urbanismo
Made available in DSpace on 2018-08-13T04:04:46Z (GMT). No. of bitstreams: 1 Melo_BarbaraNardi_M.pdf: 6782464 bytes, checksum: 2db509605b90c7d9ce2ae5bbdafbb1c1 (MD5) Previous issue date: 2009
Resumo: A dificuldade de se atingir a ruptura dos elementos de fundação nos ensaios estáticos fez com que, ao longo de várias décadas, diversos métodos de extrapolação da curva carga vs recalque fossem sugeridos por inúmeros pesquisadores, no intuito de determinar a carga de ruptura, destacando-se os métodos propostos por Van der Veen (1953), Mazurkiewics (1972), Décourt (1996) e NBR 6122/1996. Porém, a experiência confirma que os resultados podem variar consideravelmente entre um método e outro. Este trabalho destaca o Conceito de Rigidez proposto por Décourt (1996, 2008), método que, nos últimos anos, vem sendo utilizado pela comunidade geotécnica e é destacado pelo autor como um método que oferece informações de resistência de ponta e atrito lateral, além da carga de ruptura em provas de carga comuns, ou seja, sem instrumentação. Com a interpretação dos resultados, levantados em estacas do tipo escavadas, hélice contínua, raiz, ômega, pré-moldadas, apiloadas e metálicas em seis campos experimentais localizados nas cidades de Campinas/SP, Recife/PE, Vitória/ES, Londrina/PR, Ilha Solteira/SP e Brasília/DF obtiveram-se valores satisfatórios de carga de ruptura convencional em provas de carga levadas a grandes deslocamentos e algumas restrições em provas de carga interrompidas prematuramente. Os resultados de atrito lateral comparados com resultados de estacas instrumentadas trazem valores satisfatórios, ou seja, dentro dos domínios.
Abstract: The difficulty of reaching the rupture of the foundation elements in the static loading made that along several decades several methods of extrapolation of the load - settlement curve were suggested by many researchers, with the intent of determining the load failure, such as the methods proposed by Van der Veen (1953), Mazurkiewics (1972), Décourt (1996) and NBR 6122/1996. But the experience confirms that the obtained results can vary considerably from one method to another. This work details the Concept of Rigidity, proposed by Décourt (1996, 2008), a method that in the last years it has been used by the geotechnical community and which the author claims as a method that provides information on tip resistance and lateral friction, along with the load at failure in common load tests, it means, without instrumentation. Whit the interpretation results raised in bored piles, continuous flight auger, root, omega, driven concrete, "hamered" and metal pile in six experimental fields localized in Campinas/SP, Recife/PE, Vitória/ES, Londrina/PR, Ilha Solteira/SP and Brasilia/DF got satisfactory values of conventional load failure in load tests carried to big movements and some restrictions in load tests not carried to failure. The lateral friction results compared with load tests on instrumented piles results show satisfactory values, it means, in the domains.
Mestrado
Geotecnia
Mestre em Engenharia Civil
Alvarez, Guevara Kervin Alexander, and Chumpitaz Marco Fabricio Medina. "Análisis de la influencia de las secciones agrietadas en la respuesta a una solicitud sísmica en edificios regulares e irregulares multifamiliares de 5, 10 y 15 pisos en la ciudad de Lima." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/653473.
Full textThis research addresses the real influence of the cracking of structural elements in the reduction of rigidity when a seismic event occurs. To do this, first, he described the problematic reality, the background and previous generalities about the topic to determine what type of building to use. Secondly, the theoretical framework exposed a set of fundamental concepts necessary to understand the cracking of concrete, the obtaining of effective inertia, the irregularity of buildings and a review of the considerations of foreign standards. In the third place, it was determined to work with 6 multifamily housing plans, of which 3 were regular structures and 3 were irregular. Likewise, the structures were subdivided into heights of 5, 10 and 15 floors, since they are the type of building that is most constructed in Lima. Afterwards, the geographic, use and geometrical parameters were found from the E-030 standard, to then perform the linear seismic analysis (static and dynamic). Then, the moment diagrams - curvature (beams, columns and plates) were made, so that from them, obtain a reduction factor of the gross inertia and perform a new seismic analysis considering this value as an effect of cracking. Finally, a comparative analysis was made between the results obtained according to the height in regular and irregular buildings.
Tesis
Mekaouche, Adel. "Conception et analyse d'un robot flexible à rigidité active au moyen d'un alliage à mémoire de forme." Thesis, Clermont-Ferrand 2, 2016. http://www.theses.fr/2016CLF22676/document.
Full textThe rigidity is one of the most important performance targets which is taken into account for the design of robotic systems. The control of the physical stiffness during industrial tasks is a scientific issue which is rapidly expanding in the context of the innovative design of highly polyvalent robots. The combination of a compliant robotic structure and a shape memory alloy (SMA) component is carried out in the aim of obtaining variable compliance maps over time and in the same workspace. SMAs are actually active materials with specific thermomechanical properties which can be used in this application. The considered structure has no internal degree of freedom, but the deformation of the arms allows the creation of a “Pseudo-Workspace” (PWS). This PWS varies as a function of the activated/non-activated state of the SMA component. The intersection of the two obtained PWSs represents the effector’s positions where it is possible to have different compliance values. Generated maps show interesting characteristics in the perspective of the design of polyvalent robots based on a new type of reconfigurability (change of material properties)
Hrabalík, Ondřej. "Jak reagují čerpací stanice v České Republice na změnu ceny ropy na burze?" Master's thesis, Vysoká škola ekonomická v Praze, 2015. http://www.nusl.cz/ntk/nusl-205880.
Full textKulla, Lukáš. "Statické zajištění zámku." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240358.
Full textLo, Yi-Ting, and 羅亦廷. "Static Axial Rigidity Analysis of Ball Screw." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/50036996687111938663.
Full text國立臺灣大學
機械工程學研究所
101
With rapid advances in modern technology, manufacturing has become highly automated. At the same time, the automation equipment has low energy consumption and high precision requirements. The invention of the transmission components was an important development in this area. The appearance of ball screws further enhanced the standard of manufacturing technology. The ball screw is assembled by multiple balls between the nut and the screw. The rolling contact between the balls and the nut and screw replaced the traditional sliding contact of the screw, dramatically reducing the energy lost from friction. Since precise manufacturing has high requirements on system stability and precision, and the rigidity of the ball screw has a decisive impact on the positioning accuracy of the system, research on the axial rigidity of the ball screw has become one of the focus of the technical aspects. In the calculation section of this study, the geometric equations for the screw spiral track was found first to obtain the principal curvature values of the contact point between the ball and the screw nut. Then, Hertz contact theory was used to calculate the deformation of the ball under pressure, which is used to calculate the axial displacement of the screw. With the addition of a load, the analytical solution for the axial rigidity can thus be derived. By creating a model with the finite element method software (Abaqus), the deformation under load can be simulated and the stress distribution can be analyzed. The axial displacement can therefore be obtained and observed. Finally, to set up the experiment, choose 3 different types of ball screws. In the material testing system, subject the ball screws to loads and measure the axial deformation using a self-designed displacement gage. Cross-reference the data from the 3 types of screws for validation. From observing the results of the calculation, the simulation, and the experiment, there are minimal differences in the calculation and the simulation mainly due to the fact that both are under ideal conditions, excluding any factors that may have negative impacts on the results. If the finite element mesh is increased, the solution is estimated to be even close to the theoretical analytical solutions. However, with the existing resources available, this simulation results are highly significant. When compared to the theoretical values of the rigidity of the ball screw, the experimental results are lower. In addition to errors such as the experimental precision machining errors and human errors, any slight offset in the fixture rigidity, tools setup, and axial force may also affect the results. Furthermore, the material parameters, physical characteristics, and mechanical properties, etc. are all somewhat different from the ideal values. When considering the accumulation of all those errors, the experimental results of lower rigidity than the theoretical value is reasonable.
Books on the topic "Static rigidity"
Casalbuoni, Roberto, Giovanni Frosali, and Giuseppe Pelosi, eds. Enrico Fermi a Firenze. Florence: Firenze University Press, 2014. http://dx.doi.org/10.36253/978-88-6655-673-2.
Full textCasalbuoni, Roberto, Daniele Dominici, and Giuseppe Pelosi, eds. Enrico Fermi a Firenze. Florence: Firenze University Press, 2020. http://dx.doi.org/10.36253/978-88-6453-960-7.
Full textFrangi, Attilio. Cinematica e Statica dei Sistemi di Corpi Rigidi. Società Editrice Esculapio, 2013. http://dx.doi.org/10.15651/978-88-748-8621-0.
Full textBaquero Cruz, Julio. Rigidity, Fragmentation, and the Allure of International Law. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198830610.003.0007.
Full textThornton, Kevin, and Michael Gropper. Diagnosis, assessment, and management of hyperthermic crises. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0247.
Full textSultany, Nimer. Constitutional Legitimation II. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198768890.003.0004.
Full textSilva, Maria Patrícia. Pesquisas sobre Currículos e Culturas: tensões, movimentos e criações. Brazil Publishing, 2020. http://dx.doi.org/10.31012/978-65-87836-56-0.
Full textBaquero Cruz, Julio. What's Left of the Law of Integration? Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198830610.001.0001.
Full textDrell, Joanna. Aristocratic Economies. Edited by Judith Bennett and Ruth Karras. Oxford University Press, 2013. http://dx.doi.org/10.1093/oxfordhb/9780199582174.013.001.
Full textWaters, Timothy William. Boxing Pandora. Yale University Press, 2020. http://dx.doi.org/10.12987/yale/9780300235890.001.0001.
Full textBook chapters on the topic "Static rigidity"
Hussein, Hussein, Marc Gouttefarde, and François Pierrot. "Static Modeling of Sagging Cables with Flexural Rigidity and Shear Forces." In Advances in Robot Kinematics 2018, 310–18. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-93188-3_36.
Full textHall-Matthews, David. "Land Revenue Rigidity, Revisions and Non-remission." In Peasants, Famine and the State in Colonial Western India, 128–67. London: Palgrave Macmillan UK, 2005. http://dx.doi.org/10.1057/9780230510517_5.
Full textGužas, Danielius, R. Klimas, and V. Tričys. "Influence of Rigidity of Acoustic Shield Walls on Sound Insulation." In Solid State Phenomena, 252–58. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/3-908451-21-3.252.
Full textButkus, R., J. Deikus, Danielius Gužas, and A. Šarlauskas. "The Use of Rigidity Properties in Cylindrical Shells for Noise Reduction." In Solid State Phenomena, 259–64. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/3-908451-21-3.259.
Full textRahim, Lily Zubaidah, and Lam Keong Yeoh. "Social Policy Reform and Rigidity in Singapore’s Authoritarian Developmental State." In The Limits of Authoritarian Governance in Singapore's Developmental State, 95–130. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-1556-5_5.
Full textvan der Burg, Martijn. "Subprefects: (Trans)Regional Tools of Integration?" In Napoleonic Governance in the Netherlands and Northwest Germany, 123–46. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-66658-3_6.
Full text"Static Indeterminacy and Rigidity of Skeletal Structures." In Optimal Structural Analysis, 23–52. Chichester, England: John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9780470033326.ch2.
Full textSCHWARZ, M., A. SCHULTE-TAMBUREN, and J. NOTH. "Static fusimotor activity in Parkinsonian rigidity: reconsideration of an old concept." In Motor Disturbances II Apl, 191–201. Elsevier, 1990. http://dx.doi.org/10.1016/b978-0-12-089445-1.50022-9.
Full text"Rigidity and Flexibility." In Multiple State Membership and Citizenship in the Era of Transnational Migration, 163–79. Brill | Sense, 2007. http://dx.doi.org/10.1163/9789087901516_010.
Full textDomínguez-Redondo, Elvira. "Final Remarks." In In Defense of Politicization of Human Rights, 181–96. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780197516706.003.0008.
Full textConference papers on the topic "Static rigidity"
Dvir, Zeev, Alexander Golovnev, and Omri Weinstein. "Static data structure lower bounds imply rigidity." In STOC '19: 51st Annual ACM SIGACT Symposium on the Theory of Computing. New York, NY, USA: ACM, 2019. http://dx.doi.org/10.1145/3313276.3316348.
Full textZhang, Xinhua, Xijian Huo, Jian Huang, Xiaoshuai Duan, Wei Zhou, and Hai Liu. "Load Distribution and Axial Static Rigidity for Planetary Roller Screw Mechanism." In 2019 Chinese Automation Congress (CAC). IEEE, 2019. http://dx.doi.org/10.1109/cac48633.2019.8996262.
Full textZhu Liping, Yin Yiyong, Zhao Tong, and Ye Peiqing. "Study on static rigidity of a high-speed vertical machining centers named VH1100." In 2011 Second International Conference on Mechanic Automation and Control Engineering (MACE). IEEE, 2011. http://dx.doi.org/10.1109/mace.2011.5988191.
Full textMahgoub, Ahmed, and Hany El Naggar. "Effect of the Cross-Sectional Rigidity on the Static and Seismic Behaviour of CSP Culverts." In The 3rd World Congress on Civil, Structural, and Environmental Engineering. Avestia Publishing, 2018. http://dx.doi.org/10.11159/icgre18.153.
Full textTakeichi, Michifumi, Sumio Okuno, Masato Okazaki, Hitoshi Tsuruda, and Shunichi Kawano. "Static Strength Properties of an Aluminum Alloy Honeycomb Sandwich Panel and Strength Reliability Evaluation of an Actual Car Body Structure." In ASME 2002 Pressure Vessels and Piping Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/pvp2002-1214.
Full textLerbet, Jean, and Elie Absi. "About the Links Between the Static and Dynamic Stabilities." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84130.
Full textRabiela, Homero J., Isai´as H. Cruz, Gilberto A. Miranda, Mario G. Villeda, Victor C. Sua´rez, Raymundo A. Santiago, and Benjami´n V. Gonza´lez. "Analysis of Rigidity of a Shaft With a Crack Diagonal." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-41464.
Full textKomurka, Van E., and Rozbeh B. Moghaddam. "The Incremental Rigidity Method—More Direct Conversion of Strain to Internal Force in an Instrumented Static Loading Test." In Geo-Congress 2020. Reston, VA: American Society of Civil Engineers, 2020. http://dx.doi.org/10.1061/9780784482780.013.
Full textManzo, Justin E., and Ephrahim Garcia. "Active Rigidity Smart Joint for a Bat-Wing Micro Air Vehicle." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43065.
Full textChan, Tzu-Chi, and Jyun-Sian Yang. "Optimized Design and Performance Study of High Speed Five-Axis Machine Tools." In ASME 2020 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/detc2020-22253.
Full textReports on the topic "Static rigidity"
Jardim, Ekaterina, Gary Solon, and Jacob Vigdor. How Prevalent Is Downward Rigidity in Nominal Wages? Evidence from Payroll Records in Washington State. Cambridge, MA: National Bureau of Economic Research, January 2019. http://dx.doi.org/10.3386/w25470.
Full textMoghtadernejad, Sara, Ehsan Barjasteh, Ren Nagata, and Haia Malabeh. Enhancement of Asphalt Performance by Graphene-Based Bitumen Nanocomposites. Mineta Transportation Institute, June 2021. http://dx.doi.org/10.31979/mti.2021.1918.
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