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Dissertations / Theses on the topic 'Stress-strain analysis of artery'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

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1

Ingul, Charlotte Björk. "Quantification of regional myocardial function by strain rate and strain for evaluation of coronary artery disease : Automated versus manual analysis during acute myocardial infarction and dobutamine stress echocardiography." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Medicine, 2006. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-777.

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<p>Kvantifisering av hjertets muskelfunksjon med tøyning og tøyningshastighet målt med ultralyd for vurdering av koronar sykdom.</p><p>Automatisert metode versus manuell ved akutt hjerteinfarkt og ultralyd stress test.</p><p>Vanligvis måles hjertets muskelfunksjon med ultralyd, en mye brukt metode for å diagnostisere hjertesykdommer. Vurderingen av muskelfunksjonen baserer seg i dag på en subjektiv visuell gradering av bevegelsen av hjertemuskelen, og dette krever erfaring. En ny automatisert diagnostisk ultralydsmetode basert på måling av hastigheten i hjertemuskelen gir et kvantitativt mål p

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2

Maša, Marek. "Deformačně-napěťová analýza aterosklerotické tepny." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228122.

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The main goal of this diploma thesis was the stress-strain analysis of iliac artery with atheroma.This problem was solved using finite element method (FEM).For the calculation purposes three two-dimensional models were created. The geometry was gained from transversal sections through the iliac artery with ateroma. This geometry is educed from used literature review. The main calculation process was run by ANSYS 11.0 program system.

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3

Walimbe, Vivek S. "Interactive, quantitative 3D stress echocardiography and myocardial perfusion spect for improved diagnosis of coronary artery disease." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1154710169.

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4

Janík, Rostislav. "Deformačně-napěťová analýza tepny s ateromem." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443748.

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This master thesis analyses stress and strain of iliac artery with atheroma. Model of artery is created as 2D and symmetric about the y-axis. The first part of the thesis deals with a research, which includes obtaining information from medicine, which is necessary fort the right solution of the task. Next part dedicates to nonlinear mechanics, constitutive modeling from the view of biomechanice and computational modeling of arteries. In the next part is made analysis for load on artery by physiological and also by high blood pressure. In the end were specified uncertainties of the used model a

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5

Kida, Naoki. "Finite element formulation and analysis for an arterial wall with residual and active stresses." Kyoto University, 2014. http://hdl.handle.net/2433/189352.

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6

Nagy, Ellerie. "The Effect of Calcified Plaque on Stress within a Fibrous Thin Cap Atheroma in an Atherosclerotic Coronary Artery Using Finite Element Analysis (FEA)." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/385.

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Atherosclerosis causes hundreds of thousands of deaths in the US alone every year. Fibrous cap rupture is one of the leading causes of these fatalities. Thin cap atheromas are commonly regarded as vulnerable plaque, however the effect of calcium upon a thin fibrous cap with lipid pool is poorly understood. Some studies have shown that calcium adds to stability of the lesion, while others have proven otherwise. An article by Li et al. 2007 suggests location is the key factor. By varying the percentage of calcium and lipid within a defined region, the stress on the cap was estimated using an id

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7

Polzer, Stanislav. "Stress-Strain Analysis of Aortic Aneurysms." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-234135.

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Tato práce se zabývá problematikou aneurysmat břišní aorty a možností využít konečnoprvkovou deformačně-napěťovou analýzu těchto aneurysmat ke stanovení rizika ruptury. První část práce je věnována úvodu do problematiky, popisu kardiovaskulární soustavy člověka s důrazem na abdominální aortu, anatomii, fyziologii a patologii stěny tepny s důrazem na procesy vedoucí ke vzniku aneurysmatu. Dále se práce věnuje rizikovým faktorům přispívajících ke vzniku aneurysmat spolu s analýzou současných klinických postupů ke stanovení rizika ruptury spolu se srovnáním navrhovaného kritéria maximálního napět

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8

Howell, Geoffrey Peter. "Identification of plastic strain using thermoelastic stress analysis." Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/412636/.

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Identification of regions containing plastic strain arising from the welding process is performed through the application of thermoelastic stress analysis (TSA) and finite element (FE) modelling. An approach is developed that removes the requirement to have a physical reference specimen for the component studied by developing a 'synthetic reference bitmap' using finite element analysis. The regions containing plastic strain can be identified with TSA by collecting data from a 'reference' plastic strain free specimen from the TSA data and creating a resultant bitmap. Here, a synthetic bitmap is

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9

Hemmat, Abbas. "Stress/strain analysis and internal bruising in potato tubers." Thesis, Cranfield University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357842.

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10

Kang, Wei-Ping. "Application of numerical analysis to neutron strain scanning." Thesis, University of Salford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360449.

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11

TAVARES, CARLOS ALBERTO VIANNA. "STRESS AND STRAIN ANALYSIS OF COMPOSITE SHELLS WITH GENERAL GEOMETRIES." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1991. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=19394@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>Este trabalho apresenta a modelagem teórica e correspondente solução numérica, associada ao problema de tensões e deformações em cascas compostas de geometrias arbitrárias, submetidas a carregamento térmico e/ou de pressão. A casca composta é constituída de uma camada viscoelástica reforçada por outras duas elásticas. Apresentam-se as hipóteses adotadas na caracterização térmica e mecânica do material, bem como procedimentos e resultados obtidos na aplicação destas suposições.

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12

Ryšavý, Pavel. "Deformačně-napěťová analýza aneurysmatu břišní aorty." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-233960.

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This thesis deals with problems of biomechanics of soft tissues, namely of stress-strain analysis of abdominal aortic aneurysm (AAA). The introduction describes briefly the possibility of aneurysm occurrence with a focus on an aneurysm in the abdominal aorta.

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13

Holmqvist, Marcus, and Marcus Gunnteg. "Seepage, Solute transport and Strain-stress Analysis of Ashele Tailings Dams." Thesis, Uppsala universitet, Elektricitetslära, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-237732.

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This master thesis has been conducted through cooperation between Elforsk, Uppsala University and Tsinghua University in Beijing. Ashele Tailings Dam, located in Haba Town, Xianjing Province, China, is designed and used for high sulphur tailings. Because of a new mineral separation technique, the dam is now also being filled with low sulphur tailings. Since the dam was not originally designed for the new tailings materials, the seepage and stress-strain analyses of the dam need to be re-evaluated and refined. The Ashele Ltd. is also planning on building a new dam to meet its growing need for t

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14

Shoghi, Kiumars. "Stress and strain analysis of flat and v-section band clamps." Thesis, University of Huddersfield, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.397435.

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15

Hossain, Tasnia. "GaN based structures on patterned silicon substrate : stress and strain analysis." Nice, 2012. http://www.theses.fr/2012NICE4096.

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This work deals with the stress and strain analysis of GaN grown on patterned Si substrate in order to avoid crack generation and to obtain the suitable size of the pattern for device (LED, LD, transistor etc. ) applications. Using patterned substrate we have grown thick crack free continuous GaN layers by MBE and by MOCVD. In this work, we have used different sizes of patterns, different trench widths, trench heights, different shapes and in-plane orientations of the patterns and two crystal orientations of Si substrate. We have found that beyond a critical film thickness, the number of crack

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16

Jain, Vibhor. "Analysis of structural development during superdrawing of poly(ethylene terephthalate) fibers." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/28185.

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Thesis (M. S.)--Polymer, Textile and Fiber Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Wang, Youjiang; Committee Co-Chair: Jacob, K.I.; Committee Member: Aneja, A.P.; Committee Member: Garmestani, Hamid; Committee Member: Thio, Yonathan S.; Committee Member: Yao, Donggang

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17

Seki, Wataru. "Analysis of strain localization in hyperelastic materials, using assumed stress hybrid elements." Diss., Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/19088.

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18

Chevallier, Elise Camille. "Assessment of welding induced plastic strain using the thermoelastic stress analysis technique." Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/420750/.

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The work presented in the thesis is dedicated to the development and validation of a new technique to assess plastic strain based on thermoelastic stress analysis (TSA). Welding induced plasticity (WIP) and welding residual stresses can negatively affect the structural integrity of welded structures as they can exacerbate creep and stress corrosion cracking and limit the structure’s resistance to failure. Moreover, WIP has been shown to negatively affect weld integrity, since the associated accumulation of defects (dislocations) in the material will accelerate the nucleation of macro-scale def

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19

Schenk, Jason Robert. "Meta-uncertainty and resilience with applications in intelligence analysis." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1199129269.

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20

Ye, Wei. "Nano-heteroepitaxy stress and strain analysis: from molecular dynamic simulations to continuum methods." Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34752.

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For decades, epitaxy is used in nanotechnologies and semiconductor fabrications. So far, it's the only affordable method of high quality crystal growth for many semiconductor materials. Heterostructures developed from these make it possible to solve the considerably more general problem of controlling the fundamental parameters inside the semiconductor crystals and devices. Moreover, as one newly arising study and application branch of epitaxy, selective area growth (SAG) is widely used to fabricate materials of different thicknesses and composition on different regions of a single wafer. All

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21

Singh, Meera Nand Kaur. "Notch tip stress strain analysis in bodies subjected to non-proportional cyclic loads." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0010/NQ30647.pdf.

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22

Guzelbey, Ibrahim H. "Finite and boundary element analysis of elasto-plastic finite strain contact problems." Thesis, Cranfield University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.335006.

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23

Nowak, Stephanie Beth. "Understanding Time-Variant Stress-Strain in Turkey: A Numerical Modeling Approach." Diss., Virginia Tech, 2004. http://hdl.handle.net/10919/26072.

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Over the past century, a series of large (> 6.5) magnitude earthquakes have struck along the North Anatolian Fault Zone (NAFZ) in Turkey in a roughly East to West progression. The progression of this earthquake sequence began in 1939 with the Ms 8.0 earthquake near the town of Erzincan and continued westward, with two of the most recent ruptures occurring near the Sea of Marmara in 1999. The sequential nature of ruptures along this fault zone implies that there is a connection between the location of the previous rupture and that of the future rupture zones. This study focuses on understan

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24

Kayaoglu, Mustafa Williamson David A. "Terrorism and strain an exploratory analysis of the impact that individual strain and negative affect have on violent behavior among trained Turkish Hezbollah members /." [Denton, Tex.] : University of North Texas, 2008. http://digital.library.unt.edu/permalink/meta-dc-9076.

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25

BAMIRO, OLUYINKA OLUGBENGA. "ANALYSIS OF THERMAL STRESS AND PLASTIC STRAIN IN STUDS/VIAS OF MULTILEVEL INTEGRATED CIRCUITS." University of Toledo / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1099778888.

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26

Moita, Gray Farias. "Non-linear finite element analysis of continua with emphasis on hyperelasticity." Thesis, Imperial College London, 1994. http://hdl.handle.net/10044/1/7943.

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27

Crist, Nancy Gilbert. "Women’s Perceptions of Postpartum Stress: A Narrative Analysis." Scholar Commons, 2010. http://scholarcommons.usf.edu/etd/3560.

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The impact of stress on the health of postpartum mothers is poorly understood. Although the postpartum period increases risk for stress related diseases such as depression and autoimmune disorders, little qualitative research has focused on women’s perceptions of postpartum stressors. A constant comparative content analysis using Atlas.Ti was done on data collected by Groer (NIH R01 NR05000“Influence of Lactation on Postpartum Stress & Immunity) from 2001 to 2005. Women (n=127) answered the prompt, “Think of any one incident, thought, or feeling that stands out as very stressful to you and des

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28

Thomková, Barbora. "Vliv orientace a umístění dentálního implantátu na deformačně-napěťové stavy v dolní čelisti." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-418201.

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The master’s thesis deals with issues belonging to the field of dental biomechanics, specifically the mechanical interaction of dental implants with the bone tissue of the mandible. The thesis focuses on the stress-strain analysis of the mandible with the implant inserted in different positions, with a different angle relative to the occlusal plane. The solution is performed by computational modeling using the finite element method. The geometry model of mandible was created based on CT images. The aim of the master’s thesis was also to compare the influence of the choice of the material model

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29

Mercimek, Umit. "Shock Failure Analysis Of Military Equipments By Using Strain Energy Density." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612721/index.pdf.

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Failure of metallic structures operating under shock loading is a common occurrence in engineering applications. It is difficult to estimate the response of complicated systems analytically, due to structure&rsquo<br>s dynamic characteristics and varying loadings. Therefore, experimental, numerical or a combination of both methods are used for evaluations. The experimental analysis of the shocks due to firing is done for 12.7mm Gatling gun and 25mm cannon. During the tests, the Gatling gun and the cannon are located on military Stabilized Machine Gun Platform and Stabilized Cannon Platform res

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30

Yamashita, Tatsuya. "Analysis of anisotropic material." Ohio : Ohio University, 1996. http://www.ohiolink.edu/etd/view.cgi?ohiou1177700236.

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31

Schenk, Jason Robert. "Meta-uncertainty and resilience with applications in intelligence analysis." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1199129269.

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32

Tse, Man Kit. "Influence of stress states on soil-water characteristics, conjunctive surface-subsurface flow modelling and stability analysis /." View abstract or full-text, 2007. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202007%20TSE.

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33

Lokuge, W. P. (Weena Priyanganie) 1967. "Stress-strain behaviour of confined high strength concrete under monotonically increasing and cyclic loadings." Monash University, Dept. of Civil Engineering, 2003. http://arrow.monash.edu.au/hdl/1959.1/9425.

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34

Kayaoglu, Mustafa. "Terrorism and strain: An exploratory analysis of the impact that individual strain and negative affect have on violent behavior among trained Turkish Hezbollah members." Thesis, University of North Texas, 2008. https://digital.library.unt.edu/ark:/67531/metadc9076/.

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This study attempts to explore the strains that terror organization members experience prior to the training process in the organization. The primary goal of this research is to understand the relationship between the earlier experienced strains of terrorists and their violent behaviors. In the study a Turkish Hezbollah terror organization sample (N = 144) was utilized in the frame of Agnew's (1992) general strain theory. Initially, quantitative methods, such as bivariate analysis and multivariate analysis, were utilized to identify the cumulative effect of strains on the violent behaviors of

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35

Ručinskas, Artūras. "Comparative analysis of stress-strain calculation methods and algorithms for concrete members reinforced with FRP re-bars." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2011. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2011~D_20110620_141822-28189.

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The final thesis consists of three main parts, each covering a certain aspect of investigation. First chapter presents an extensive literature review, covering such aspects as: application of FRP (fiber reinforced polymer) materials in modern-day civil engineering, characteristics of FRP reinforcement for reinforced concrete structures, advantages and drawbacks of FRP rebars compared to traditional materials, peculiarities of flexural behavior of FRP reinforced members, review of existing empirical stress-strain calculation algorithms and building codes for concrete members reinforced with FRP

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36

Sutherland, Brandy. "Experimental and analytical analysis of the stress-strain diagram of FRP-confined concrete with different loading rates." Thesis, Manhattan, Kan. : Kansas State University, 2007. http://hdl.handle.net/2097/420.

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37

Petre, Marc Thomas. "INVESTIGATING THE INTERNAL STRESS/STRAIN STATE OF THE FOOT USING MAGNETIC RESONANCE IMAGING AND FINITE ELEMENT ANALYSIS." Case Western Reserve University School of Graduate Studies / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=case1181240611.

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38

Wang, Zhi G. "Simultaneous measurement of strain and temperature using two-mode elliptical core optical fiber." Thesis, Virginia Tech, 1992. http://hdl.handle.net/10919/41527.

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A single piece of optical fiber can be utilized to sense both strain and temperature simultaneously. To develop such a sensor, we sandwich a section of two-mode elliptical core (e-core) fiber between two partially reflecting mirrors. This configuration can be considered as an intrinsic Fabry-Perot interferometer, in which the two-mode, e-core fiber serves as the resonant cavity. Two different types of phase modulation can be extracted under perturbations of strain and temperature on the fiber. These phase changes are due to the two-mode interference and intrinsic Fabry-Perot interference, resp

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39

Suh, Jong Beom. "STRESS ANALYSIS OF RUBBER BLOCKS UNDER VERTICAL LOADING AND SHEAR LOADING." University of Akron / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=akron1185822927.

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40

Giardina, Ronald J. Jr. "On The Ramberg-Osgood Stress-Strain Model And Large Deformations of Cantilever Beams." ScholarWorks@UNO, 2017. http://scholarworks.uno.edu/td/2377.

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In this thesis the Ramberg-Osgood nonlinear model for describing the behavior of many diﬀerent materials is investigated. A brief overview of the model as it is currently used in the literature is undertaken and several misunderstandings and possible pitfalls in its application is pointed out, especially as it pertains to more recent approaches to ﬁnding solutions involving the model. There is an investigation of the displacement of a cantilever beam under a combined loading consisting of a distributed load across the entire length of the beam and a point load at its end and new solutions to t

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41

Iwamoto, Sohei. "Analysis of multiple cracking and interfacial debonding of the galvannealed coating layer under applied tensile strain." 京都大学 (Kyoto University), 2009. http://hdl.handle.net/2433/77968.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(工学)<br>甲第14575号<br>工博第3043号<br>新制||工||1453(附属図書館)<br>26927<br>UT51-2009-D287<br>京都大学大学院工学研究科材料工学専攻<br>(主査)教授落合庄治郎, 教授粟倉泰弘, 准教授奥田浩司<br>学位規則第4条第1項該当

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42

Benz, Joan Clark. "An analysis of the stress, strain and coping levels of public school teachers of seriously emotionally disturbed students." Diss., Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/82899.

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The purpose of this study was to assess the stress, strain and coping levels of public school teachers of seriously emotionally disturbed students. A secondary purpose was to determine if relationships existed between dependent variables stress, strain and coping and teacher experience and teaching assignment variables. The sample consisted of five hundred teachers of seriously emotionally disturbed students in the southeast region of the United States. The usable return rate was 62% with N = 295. Respondents completed a demographic information survey which provided data for variables sex, y

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43

TANAKA, Keisuke, Yoshiaki AKINIWA, Yoshihisa SAKAIDA, and Hirohisa KIMACHI. "Lattice Strain and Domain Switching Induced in Tetragonal PZT by Poling and Mechanical Loading." The Japan Society of Mechanical Engineers, 2000. http://hdl.handle.net/2237/9183.

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44

Crammond, G. "Development of optical techniques for the experimental analysis of local stress and strain distributions in adhesively bonded composite joints." Thesis, University of Southampton, 2013. https://eprints.soton.ac.uk/355981/.

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This research seeks to evaluate the local stress and strain distributions formed in adhesively bonded composite joints under quasi static and high strain rate loading. A literature review of current analytical, numerical and experimental studies of adhesively bonded joints is presented and identifies the lack of knowledge in the behaviour of composite bonded joints in the through-thickness direction. Detailed analysis of the stress and strain in the joint, and their impact on the development of damage prior to and during failure have been obtained using Digital Image Correlation (DIC). An expe

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45

Mustansar, Zartasha. "Selection of modelling level of detail for incorporating stress analysis into evolutionary robotics simulations of extinct and extant vertebrates." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/selection-of-modelling-level-of-detail-for-incorporating-stress-analysis-into-evolutionary-robotics-simulations-of-extinct-and-extant-vertebrates(1210393b-d7e7-40dd-91d8-c33598aca8dc).html.

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This thesis concerns the simulation of locomotion in vertebrates. The state-of-the-art uses genetic algorithms together with solid body kinematics to generate possible solutions for stable gaits. In recent work, this methodology led to a hopping gait in a dinosaur and the researchers wondered if this was realistic. The purpose of the research carried out in this thesis was to examine whether quick and simple finite-element analyses could be added to the simulator, to evaluate a simple ―break or―not break failure criterion. A break would rule out gaits that might damage theowner‘s skeleton. Lin

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46

Hy, Henrik, and Viktor Hällqvist. "Safety Analysis of Longtan High Dam Considering the Construction Process." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-123289.

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To manage China’s growing demands of electricity, more and larger dams could be a part of the solution. It is important to evaluate and perform safety analysis for existing dams, in order to improve our understanding and knowledge about future dams. In this master thesis, a safety research of Longtan Dam on the Hongshui River in China was analysed. The main objectives in this research were to construct a 3D model and determine the critical points of large stress, strain and yield area in the dam for different cases.The factor of safety for sliding when primary loads were acting on the dam was

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47

Rolle, Trenicka. "Lung Alveolar and Tissue Analysis Under Mechanical Ventilation." VCU Scholars Compass, 2014. http://scholarscompass.vcu.edu/etd/3398.

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Mechanical ventilation has been a major therapy used by physicians in support of surgery as well as for treating patients with reduced lung function. Despite its many positive outcomes and ability to maintain life, in many cases, it has also led to increased injury of the lungs, further exacerbating the diseased state. Numerous studies have investigated the effects of long term ventilation with respect to lungs, however, the connection between the global deformation of the whole organ and the strains reaching the alveolar walls remains unclear. The walls of lung alveoli also called the alveola

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48

Shah, Saujanya. "Finite Element Modelling of Compact Gears Using Strain Measurements." Thesis, KTH, Maskinkonstruktion (Avd.), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-281777.

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Robot design and development has been the backbone of industrial automation and is in the forefront of accelerated development across all areas. Robot designers have been using simulations for reducing product development lead times. With growing demand for faster, precise and efficient robots, the requirements on computerized simulation for stress analysis has become stringent. While the product structure is mostly designed and developed from scratch, some components are sourced from suppliers, leaving a gap in the knowledge for modelling an entirety of a robot. This thesis applies a structur

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Arefi, Mohammad Jawad. "Dynamic Characteristics and Evaluation of Ground Response for Sands with Non-Plastic Fines." Thesis, University of Canterbury. Civil & Natural Resources Engineering, 2014. http://hdl.handle.net/10092/9173.

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Deformational properties of soil, in terms of modulus and damping, exert a great influence on seismic response of soil sites. However, these properties for sands containing some portion of fines particles have not been systematically addressed. In addition, simultaneous modelling of the modulus and damping behaviour of soils during cyclic loading is desirable. This study presents an experimental and computational investigation into the deformational properties of sands containing fines content in the context of site response analysis. The experimental investigation is carried on sandy soils so

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Burford, Eva-Maria. "The analysis of the strain level and the predicted human error probability for critical hospital tasks." Thesis, Rhodes University, 2012. http://hdl.handle.net/10962/d1005182.

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South African hospitals, as a result of numerous factors, have the problem of an increasing workload for nursing staff, which in turn may affect patient treatment quality. This project aimed at addressing patient treatment quality specifically from the perspective of worker capabilities by investigating the strain level and predicted human error probability associated with specific patient-centered tasks in the South African health care sector. This was achieved through two independent yet interlinked studies which focused on seven patient-centred tasks. The tasks analysed were the tasks of se

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