Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 22 for “"force analysis"”.
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An automated methodology for dynamic force analysis of adaptive spatial trusses
… truss due to both gravity and acceleration. This force analysis can be used as the basis for a design code which will provide truss member dimensions and actuator characteristics. Three different truss structures are considered. The first is a planar, triangular truss consisting of one actuated …
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Large 3-D Deflection and Force Analysis of Lateral Torsional Buckled Beams
This thesis presents research on the force and deflection behavior of beams with rectangular cross-sections undergoing lateral torsional buckling. The large 3-D deflection path of buckling beam tips was closely approximated by circular arcs in two planes. A new chain algorithm element was created …
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Ground Reaction Force Analysis of the Anterior and Cross-Over Single Leg Hop Tests
… hop is an optimal distance to stimulate excess forces on the lower extremity when compared to the anterior hop. When the athlete is able to complete the cross-over hops successfully, it is thought that they are able to return to play in their given sport. A problem with this assumption is that …
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An impulse framework for hydrodynamic force analysis : fish propulsion, water entry of spheres, and marine propellers
… impulse framework for analyzing the hydrodynamic forces on bodies in flow. This general theoretical framework is widely applicable, and it is used to address the hydrodynamics of fish propulsion, water entry of spheres, and the offdesign performance of marine propellers. These seemingly-unrelated …
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The experimental characterization of the dynamics of a reciprocating freon compressor system
This thesis discusses the experimental modal analysis work done on a reciprocating Freon compressor. The primary goal of this work was to aid in the development of a dynamic finite element model for the compressor. The crankcase, the compressor shell, and the entire compressor were each studied …
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Analysis and traction control of a rocker-bogie planetary rover
… rover performance. This thesis presents an analysis of a six-wheeled prototype rover. Its design is based on the rockerbogie configuration. A procedure is presented which can rapidly compute the configuration of the rover as a function of its environment. Also, a quasi-static force analysis …
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Developing the design of road going welded structures with special considerations for hot-dip galvanizing
… is to provide accessible methods for numerical analysis of the mechanical behavior of welded structures specific to roadgoing trailers as defined by the Federal Motor Carrier Safety Administration. The area of highest interest is hot-dip galvanizing. The influence of temperature on steel has …
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Ground line moment analysis of body extended 161kV transmission towers
This study simplified the analysis required for the extension of a single circuit tangent 161kV transmission tower. The parameters were modified and modern criteria used to evaluate the tangent tower with various body extensions. The basis of analysis for the extended lattice towers compared the …
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Design Optimization of Slider-Crank Mechanisms Subject to Coulomb Bearing Friction
… to Coulomb bear ing friction. The dynamic force analysis is performed by the solution of a set of nonlinear equations in dimensionless form. The optimization re sults presented are for various cases of inertia, friction, and external loading.</p> <p>The optimization procedure developed …
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Whole Skin Locomotion Inspired by Amoeboid Motility Mechanisms: Mechanics of the Concentric Solid Tube Model
… Solid Tube (CST) models. Then, a quasi-static force analysis is performed for the CST model and parametric studies for design, including power efficiency and force transition characteristics, are presented.
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Fluid-Structure Interaction of Large Viscoelastic Vessels Under Pulsatile Conditions
… through a novel, dynamic model developed from a force analysis of a compliant vessel under two-dimensional (2D) stress. First, the instantaneous elasticity of a purely elastic, synthetic vessel with known properties was extracted using the 2D stress model and compared to Laplace's law. The 2D …
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Epicyclic Gear Train Solution Techniques with Application to Tandem Bicycling
… thesis presents a unification of kinematic and force-based methods for the design and analysis of planetary gear trains along with a discussion of potential applications in tandem biking. Specifically, this thesis will provide a simple solution technique for the general case of a two-degree of …
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Glussa GYM : business plan : lightweight baby!
… Saunders was utilized. SWOT and Porter‟s Five Force analysis among other were used to estimate the internal and environmental position on the market. The marketing environment was examined and possible strategies to attain market share were evaluated, through various advertisement channels. …
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Computer simulation of the Bristol compressor suspension system dynamics
… Assembly Stiffness Matrix, and (4) the Shaking Forces and Moments Matrix. Experimental and finite element methods used to evaluate the parameters required to calculate these matrices are also discussed. An eigenanalysis is performed to calculate the eigenvalue frequencies and eigenvectors for …
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E-commerce and the retail sector : implications for 7-11, Taiwan
… store industry in Taiwan is described. PEST analysis and Five-Force Analysis are used to discuss the situation of convenience stores. Moreover, an overview of 7-11, organisational structure, delivery, and POS systems are described. The current stages of e-commerce implementation within 7-11 …
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A design and performance prediction method for axial piston pumps with integral controls
… by the author's own contributions in the area of force analysis and contact stresses in the cylinder bores. Graphical optimisation methods are employed and the effects of manufacturing tolerances and .pump working ranges are investigated. The effectiveness of the method is demonstrated by …
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Mechanical design of the Carpal wrist: a parallel-actuated, singularity-free robotic wrist
… develops simple tools for its design. A simple force analysis is developed and used to solve for the required input forces and resulting internal forces in the wrist. Computer algorithms are developed that facilitate the solution of both the kinematic and force equations resulting from the …
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Fast reverse osmosis through nanotube-based membranes: molecular dynamics study
… single-file ""hopping"" model. Potential of mean force analysis indicates that the irregular nature of PMMA pore surface can cause significant localized energy barriers inside the pore, thereby reducing the water flux. In the second part, we investigated the effect of electric field on single-file …
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Design of an affordable anthropomorphic mechanical prosthetic hand
… which the final design was selected. Analytical force analysis was used to generate a mathematical model to analyse the response of each dynamic member in the hand. A linear relationship between the input-force and applied grasp-forces of the hand was identified. Finite Element Analysis (FEA) …
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The effect of high pressure processing on pork quality, shelf life, palatability, and further processed products
… < 0.05) for treated sides. Glycolytic potential analysis determined that treated Longissimus muscle had more (P < 0.05) glucose and less (P < 0.05) lactate suggesting that postmortem metabolism was partially inhibited. Longissimus, Psoas major, Triceps brachii, and semimembranosous muscles were …
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