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Dissertations / Theses on the topic 'Statik (Mechanik)'

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1

Ostojic, Srdjan. "Statistical mechanics of static granular matter." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2006. http://dare.uva.nl/document/30843.

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2

Friesecke, Gero. "Static and dynamic problems in nonlinear mechanics." Thesis, Heriot-Watt University, 1993. http://hdl.handle.net/10399/1458.

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3

Jung, Sunghoon. "Nanomechanics model for static equilibrium." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02sep%5FJung.pdf.

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4

Hull, Timothy Stephen. "The static behaviour of laterally loaded piles." Phd thesis, Faculty of Engineering, 1987. http://hdl.handle.net/2123/6294.

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5

Calkins, Joseph M. "Real-time compensation of static deflections in robotic manipulators." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-12052009-020254/.

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6

Heintz, Sofia. "Muscular forces from static optimization." Licentiate thesis, KTH, Mechanics, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3943.

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<p>At every joint there is a redundant set of muscle activated during movement or loading of the system. Optimization techniques are needed to evaluate individual forces in every muscle. The objective in this thesis was to use static optimization techniques to calculate individual muscle forces in the human extremities.</p><p>A cost function based on a performance criterion of the involved muscular forces was set to be minimized together with constraints on the muscle forces, restraining negative and excessive values. Load-sharing, load capacity and optimal forces of a system can be evaluated,
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7

Milette, Jean-François. "Static and fatigue behaviour of unidirectional composites in compression." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23266.

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In this research, the test methods and specimen configurations are studied for both static and fatigue characterization of composite materials in compression, using carbon/epoxy as an example. A new test method was developed to allow for both static and compression fatigue testing. Finite element analyses were performed to analyze the effect of Teflon inserts between the tabs and specimen on the stress distribution in the specimen. The test uses a conventional material testing machine equipped with hydraulic grips. No fixture was needed to test the specimen, which is an important advantage esp
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8

Wang, Xiaobo Elgaaly Mohamed. "Behavior of steel members with trapezoidally corrugated webs and tubular flanges under static loading /." Philadelphia : Drexel University, 2003. http://dspace.library.drexel.edu/handle/1721.1/98.

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9

Li, Yiqing. "Quasi-static Fracture Evolution with Cohesive Energy." Digital WPI, 2016. https://digitalcommons.wpi.edu/etd-dissertations/327.

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"The last fifteen years have seen much success in the analysis of quasi-static evolution for Griffith fracture, which is the mathematically natural starting point for studying fracture. At the same time, attempts have been made to show existence for similar models based on cohesive fracture rather than Griffith. These models are generally viewed as physically more realistic than Griffith, in that they are better models for crack nucleation. These attempts at existence proofs have been unsuccessful without very strong additional assumptions, for example, specifying the crack path a priori. Th
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10

Jones, G. W. "Static Elastic Properties of Composite Materials Containing Microspheres." Thesis, University of Oxford, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.487266.

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This thesis aims to model the uniaxial deformation of a class of materials consisting of microscopic spherical shells embedded in a rubber matrix. These shells are assumed to buckle as the stress on the material increases. To motivate the analysis we consider the paradigm problem of the debonding of a distribution of cylindrical inclusions in an elastic material undergoing antiplane shear, with bonded and debonded inclusions playing the role of unbuckled and buckled shells respectively. We begin the modelling of the microsphere-containing material by considering the buckling of an isolated emb
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11

Roach, Michael L. (Michael Louis). "Experimental investigation of tearing fracture in sheets under quasi-static loading." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/33440.

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Thesis (Nav. E.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2004.<br>Includes bibliographical references (leaves 44-46).<br>Although there has been interest in the behavior of metal plates under blast and projectile loading for many years, definitive open-source analysis has only been recently forthcoming. This analysis is most often in the form of scaled recreations of the dynamic blast event, or "live fire" tests. New developments in methods of recreating blast and proje
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12

Okunlola, A. "Mechanics of breakdown of soil aggregates under static loading and impact." Thesis, University of Reading, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373750.

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13

Obst, Andreas W. "Nonlinear static and transient analysis of generally laminated beams." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-10102009-020113/.

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14

Morvari, Farhad Farhadi Cheshmeh. "Experimental and numerical study of the dynamic and static behaviour of a vortex amplifier." Thesis, University of Sheffield, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284759.

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15

Gibson, Jeff J. "The static hole error problem in Venturi meters operated in high-pressure gas flow." Thesis, University of Strathclyde, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366787.

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16

Waksmanski, Natalie P. "Static and Dynamic Analyses of Layered Composite Plates with Multiphase Coupling and Nonlocal Effects." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1478775596863257.

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17

Chan, Andrew Hin-Cheong. "A unified finite element solution to static and dynamic problems of geomechanics." Thesis, Swansea University, 1988. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.624605.

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18

Feng, Jingbin. "Quasi-Static Deflection Compensation Control of Flexible Manipulator." PDXScholar, 1993. https://pdxscholar.library.pdx.edu/open_access_etds/4759.

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The growing need in industrial applications of high-performance robots has led to designs of lightweight robot arms. However the light-weight robot arm introduces accuracy and vibration problems. The classical robot design and control method based on the rigid body assumption is no longer satisfactory for the light-weight manipulators. The effects of flexibility of light-weight manipulators have been an active research area in recent years. A new approach to correct the quasi-static position and orientation error of the end-effector of a manipulator with flexible links is studied in this proje
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19

Bedouet, Sylvain. "Study of damage evolution in a titanium matrix composite under quasi-static and dynamic loading." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/18225.

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20

Zhao, Tong Tong. "Mechanism and Therapeutic Potential of Statin-Mediated Inhibition of Tyrosine Kinase Receptors." Thesis, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20334.

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Receptor tyrosine kinases (RTK) are key regulators of growth, differentiation and survival of epithelial cells and play a significant role in the development and progression of cancers derived from these tissues. In malignant cells, these receptors and their downstream signalling pathways are often deregulated, leading to cell hyper-proliferation, enhanced cell survival and increased metastatic potential. Furthermore, endothelial expressed RTKs regulate tumor angiogenesis allowing for tumor growth and maintenance by promoting their vascularization. Epithelial malignancies such as squamous cell
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21

Mahmood, Rashid. "Static and dynamic finite element stress analysis of layered composite plates and shells." Thesis, Cranfield University, 1989. http://hdl.handle.net/1826/4048.

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In this work an attempt has been made to develop theories for finite element static and dynamic stress analysis tailored for use with composite layered plates and shells in this way it was hoped to provide accurate values of the stresses particularly transverse shear stresses through the thickness, and to perform accurate natural frequency analysis by including non-linear effects such as centrifugal stiffening. Initial derivations were based upon first order facet shell element analysis and first order curved shell element analysis. Subsequently, derivations were produced for higher order elem
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22

Bybordiani, Milad. "Efficient Simulation of Quasi-static and Dynamic Crack Propagation using Enhanced Finite Elements." Thesis, The University of Sydney, 2022. https://hdl.handle.net/2123/27703.

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Failure analysis is a crucial step in design and assessment of many concrete structures such as dams, bridges and buildings which entails treatment of cracks and fractures. Given the complexities associated with the mechanics of the problem, this was historically tackled based on crude simplifications. However, the introduction of computers in the mid last century, paved the way towards the use and further development of finite elements methods. In the broad sense, these approaches can be categorised into smeared and discrete crack models. While in the former a crack was represented as a conti
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23

Eve, Robin Andrew. "Formulation and implementation of conforming finite element approximations to static and eigenvalue problems for thin elastic shells." Master's thesis, University of Cape Town, 1987. http://hdl.handle.net/11427/22509.

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Bibliography: pages 132-135.<br>In deriving asymptotic error estimates for a conforming finite element analyses of static thin elastic shell problems, the French mathematician Ciarlet (1976) proposed an approach to the formulation of such problems. The formulation he uses is based on classical shell theory making use of Kirchhoff-Koiter assumptions. The shell problem is posed in two-dimensional space to which the real problem, in three-dimensional space, is related by a mapping of the domain of the problem to the shell mid-surface. The finite element approximation is formulated in terms of the
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24

Zhang, Hao. "Nondeterministic Linear Static Finite Element Analysis: An Interval Approach." Diss., Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-08232005-020145/.

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Thesis (Ph. D.)--Civil and Environmental Engineering, Georgia Institute of Technology, 2006.<br>White, Donald, Committee Member ; Will, Kenneth, Committee Member ; Zureick, Abdul Hamid, Committee Member ; Hodges, Dewey, Committee Member ; Muhanna, Rafi, Committee Chair ; Haj-Ali, Rami, Committee Member.
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25

Beauregard, Matthew Alan. "Nonlinear Dynamics of Elastic Filaments Conveying a Fluid and Numerical Applications to the Static Kirchhoff Equations." Diss., The University of Arizona, 2008. http://hdl.handle.net/10150/194164.

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Two problems in the study of elastic filaments are considered.First, a reliable numerical algorithm is developed that candetermine the shape of a static elastic rod under a variety ofconditions. In this algorithm the governing equations are writtenentirely in terms of local coordinates and are discretized usingfinite differences. The algorithm has two significant advantages:firstly, it can be implemented for a wide variety of the boundaryconditions and, secondly, it enables the user to work with generalconstitutive relationships with only minor changes to thealgorithm. In the second problem a
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26

Gattas, Joseph M. "Quasi-static impact of foldcore sandwich panels." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:d6cca0fd-f5e4-4df4-88e3-8f05af5e6db1.

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This thesis considered the design of new and improved foldcore sandwich panels suitable for high-performance energy absorption applications. This was achieved by utilising origami geometry design techniques to alter foldcore structures such that they possessed different mechanical behaviours and failure modes. The major findings of this thesis were in three areas as follows. First, a modified planar foldcore geometry was developed by introducing sub-folds into a standard foldcore pattern. The new geometry, deemed the indented foldcore, successfully triggered a high-order failure mode known as
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27

Saad, Sariffuddin Bin. "Finite element determination of the static strength of cracked tubular T-joints." Thesis, University of Nottingham, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362919.

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28

Hassan, Noha Mohamed. "Damage Development in Static and Dynamic Deformations of Fiber-Reinforced Composite Plates." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/30171.

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A three-dimensional finite element code to analyze coupled thermomechanical deformations of composites has been developed. It incorporates geometric nonlinearities, delamination between adjoining layers, and damage due to fiber breakage, fiber/matrix debonding, and matrix cracking. The three damage modes are modeled using the theory of internal variables and the delamination by postulating a failure envelope in terms of the transverse stresses; the damage degrades elastic moduli. The delamination of adjoining layers is simulated by the nodal release technique. Coupled nonlinear partial diffe
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29

Joni, Jeffry Hartono. "Quasi-static force analysis of an automated live-bird transfer system." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/16781.

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30

Vongbandit, Pratip. "Morphology of surface damage resulting from static and dynamic contacts." Thesis, Brunel University, 2008. http://bura.brunel.ac.uk/handle/2438/3215.

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Contact fatigue damages resulting either from static or dynamic contact are of interest for understanding the failure modes and mechanisms leading to improvement of the components’ performances in tribological applications. The objective of this research was to ascertain how and to what extent the counterface materials, loading conditions, contact configuration, lubrication, and the environment affect the failure behaviours of material under static and dynamic contact fatigue loading. An experimental ball-on-flat test configuration was employed for both static and dynamic contact fatigue testi
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31

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.

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32

Bělov, Pavel. "Hydraulický a mechanický rychloupínač čelní lopaty rypadla LB 115." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228050.

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This Diploma thesis solves a quick coupler design for a loader. In introduction of the Diploma thesis are mentioned two potential designes and convenient solutions. Subsequently are outlined two practicable designes of a quick coupler for a original bucket, as a data componant of the second construction design is enclosed basic strength calculation. The ending point of the thesis deals and compare with the force decrease in use of a quick coupler and appraisals achieved ascertainment.
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33

Siegkas, Petros. "Static and dynamic performance of Ti foams." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:68938d12-d104-4637-8b08-d1c126ddca84.

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Titanium (Ti) foams of different densities 1622-4100 Kgm-3 made by a powder sintering technique were studied as to their structural and mechanical properties. The foams were tested under static and dynamic loading. The material was tested quasi statically and dynamically under strain rates in the range of 0.001-2500 s-1 and under different loading modes. It was found that strain rate sensitivity is more pronounced in lower density foams. Experiments were complimented by virtual testing. Based on the Voronoi tessellations a computational method was developed to generate stochastic foam geometri
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34

Bartolucci, Silvia. "A statistical mechanics model of the adaptive immune system : static and dynamical analysis in different connectivity regimes." Thesis, King's College London (University of London), 2016. https://kclpure.kcl.ac.uk/portal/en/theses/a-statistical-mechanics-model-of-the-adaptive-immune-system(8b2a6f6d-ed30-4f14-80f2-0d95a8f3e365).html.

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In this thesis project, we model a sub-part of the adaptive immune system, composed of B and T lymphocytes, which interact to produce a suitable immune response against antigens. From a statistical mechanics perspective, this system can be modelled as a bipartite network with sparse links where the nodes represent B and T cells respectively, signalling via particular proteins called cytokines. Assuming that B lymphocytes evolve on a faster timescale than T cells, we study the dynamics of an effective mono-partite graph of T cells only where the B cells have been integrated out. Interestingly,
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35

Gauthier, Paul. "Tibio-femoral Joint Contact Mechanics: An In-vitro Simulation with a 6 DOF Static Knee Simulator." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/34184.

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Introduction: Understanding the relationship between muscle loads crossing the knee joint and knee joint mechanics is critical for understanding knee stability and the effects of altered muscle forces on healthy and ACL injured knees. In vitro measurement can be used to elucidate this if the simulation is biofidelic, allowing the physiological levels of applied loads to dictate the tibiofemoral kinematics in all degrees of freedom (DoF). The objectives of this study were to describe and apply the University of Ottawa knee simulator as well as measure the reliability of the device. In addition,
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36

Tchernook, Ivan. "Strategies for Computational Investigation of Reaction Mechanisms in Organic and Polymer Chemistry Using Static Quantum Mechanics." Doctoral thesis, Universitätsbibliothek Chemnitz, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-198756.

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This thesis presents computational studies of problems in the organic and polymer chemistry. The state-of-the art quantum chemical methods are used to gain further insight into the origin and the nature of the reactions in three different organic and polymer systems. The research questions are conceptually approached by identifying the key aspects. Then an appropriate strategy for the quantum chemical modeling is developed. In the scope of the polymer chemistry, the novel synthesis technique of nanostructured materials, the so-called twin polymerization, is investigated. Using three model sys
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37

Simon, Derek. "Static Balancing of the Cal Poly Wind Turbine Rotor." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/837.

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The balancing of a wind turbine rotor is a crucial step affecting the machine’s performance, reliability, and safety, as it directly impacts the dynamic loads on the entire structure. A rotor can be balanced either statically or dynamically. A method of rotor balancing was developed that achieves both the simplicity of static balancing and the accuracy of dynamic balancing. This method is best suited, but not limited, to hollow composite blades of any size. The method starts by quantifying the mass and center of gravity of each blade. A dynamic calculation is performed to determine the theoret
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38

Pasha, Hasan G. "Estimation of Static Stiffnesses from Free Boundary Dynamic (FRF) Measurements." University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1416569956.

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39

Krystosik, Przemysław. "Static and stability problems of steel frames with semi-rigid joints : PhD thesis summary." Rozprawa doktorska, [s.n.], 2014. http://dlibra.tu.koszalin.pl/Content/1072.

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40

Liu, Dan. "Research on Performance Evaluation and Anti-scaling Mechanism of Green Scale Inhibitors by Static and Dynamic Methods." Paris, ENSAM, 2011. http://www.theses.fr/2011ENAM0025.

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Increasing environmental concerns and discharge limitations have imposed additional challenges in treating process waters. Thus, the concept of "Green Chemistry" was proposed and green scale inhibitors became a focus of water treatment technology. Finding some economical and environmentally friendly inhibitors is one of the major research focuses nowadays. In this dissertation, the inhibition performance of different phosphonates as CaCO3 scale inhibitors in simulated cooling water was evaluated. Homo-, co-, and ter-polymers were also investigated for their performance as Ca-phosphonate inhibi
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41

Sarker, Pratik. "Investigation of the Quenching Characteristics of Steel Components by Static and Dynamic Analyses." ScholarWorks@UNO, 2014. http://scholarworks.uno.edu/td/1942.

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Machine components made of steel are subjected to heat treatment processes for improving mechanical properties in order to enhance product life and is usually done by quenching. During quenching, heat is transferred rapidly from the hot metal component to the quenchant and that rapid temperature drop induces phase transformation in the metal component. As a result, quenching generates some residual stresses and deformations in the material. Therefore, to estimate the temperature distribution, residual stress, and deformation computationally; three-dimensional finite element models are develope
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42

Meng, Maozhou. "Effects of marine environment exposure on the static and fatigue mechanical properties of carbon fibre-epoxy composite." Thesis, University of Plymouth, 2016. http://hdl.handle.net/10026.1/5341.

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This thesis studies the static and fatigue failure of carbon fibre-epoxy composite for marine use. The primary objective is to investigate the effects of sea water ingress on the static and cyclic performance of laminated composites, by using the combination of experimental, numerical and analytical approaches. Experiments were carried out to collect evidence, including data and images, for further analysis. Samples were made from autoclave-cured carbon fibre-epoxy pre-preg for the static, moisture diffusion and fatigue tests. Three chambers were used in the diffusion test, containing fresh wa
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43

Zuanetti, Bryan. "Characterization of Polyetherimide Under Static, Dynamic, and Multiple Impact Conditions." Honors in the Major Thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1569.

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The application of polymers in robust engineering designs is on the rise due to their excellent mechanical properties such as high fracture toughness, specific strength, durability, as well as, thermal and chemical resistances. Implementation of some advanced polymeric solids is limited due to the lack of available mechanical properties. In order for these materials to endure strenuous engineering designs it is vital to investigate their response in multiple loading rates and conditions. In this thesis, the mechanical response of polyethermide (PEI) is characterized under quasi-static, high st
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44

Hutsell, Blake A. "Mechanics of stimulus & response generalization in signal detection & psychophysics : adaptation of static theory to dynamic performance /." Available to subscribers only, 2009. http://proquest.umi.com/pqdweb?did=1967938361&sid=11&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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Hutsell, Blake Allen. "Mechanics of Stimulus & Response Generalization in Signal Detection & Psychophysics: Adaptation of Static Theory to Dynamic Performance." OpenSIUC, 2009. https://opensiuc.lib.siu.edu/dissertations/98.

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The area of perceptual decision-making research seeks to understand how our perception of the world affects our judgment. Laboratory investigations of perceptual decision-making concentrate on observers' ability to discriminate among stimuli and their biases towards reporting one stimulus more frequently than others. Choice theories assume that these performance measures are determined by generalization of reinforcement along both stimulus and response dimensions. Historically the majority of research has addressed situations in which the difference among stimuli and resulting consequences of
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46

Turkkan, Omer Anil. "Rapid Conceptual Design and Analysis of Planar and SpatialCompliant Mechanisms." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1512739490296851.

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47

Gimbel, Genille M. "Characterization of the impact mechanics of polymeric foams subjected to quasi-static and dynamic compressive loading of various impact energies." Thesis, University of Ottawa (Canada), 2008. http://hdl.handle.net/10393/27982.

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Impact mass and inbound velocity are important parameters defined in helmet standards, which represent the total energy transferred during a hit to the head. The purpose of this study was to determine the influence that impact mass and inbound velocity had on energy attenuation characteristics of polymeric materials used in helmet design. Materials consisted of three densities of expanded polystyrene, expanded polypropylene, and vinyl nitrile foam. Each sample was impacted once at 25 different levels of energy using a monorail drop test. Significant main effects were observed for impact mass,
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48

Bhagwat, Pushkaraj. "A Computational Study of the Effects of Plasticity and Damage Models in Microscopic and Macroscopic Static Metal Friction." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1461593775.

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49

Abdelal, Nisrin Rizek. "Effects of Voids on Delamination Behavior Under Static and Fatigue Mode I and Mode II." University of Dayton / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1365418463.

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50

CERIONI, AGOSTINO. "Simulation of delamination in composite materials under static and fatigue loading by cohesive zone models." Doctoral thesis, Università degli Studi di Cagliari, 2009. http://hdl.handle.net/11584/266000.

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This thesis is a dissertation focusing on the mechanics of delamination in laminated composites. Delamination, one of the most critical forms of failure in composite materials, may occur as a result of many causes and different types of loading, such as, for example, static or cyclic loading. This work presents an examination of the potential of cohesive interface elements for the prediction of delamination propagation under quasi-static mode I, mode II and mixed mode (I and II) loading, by a comparison between experimental tests and parametric analyses in order to evaluate the sensitivity of
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