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 82 for “"Frictionless"”.
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Frictionless indoor location using BLE
La ubicación de personas en interiores es un tema ampliamente estudiado, ya que es una herramienta poderosa que se puede usar para muchas tareas como ayudar a navegar mejor dentro de un espacio grande como un aeropuerto, comprender mejor las trayectorias de las personas en un lugar determinado, o …
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It's a Match: Shaadi.com, Tinder, and the Fantasy of Frictionless-ness
… that these apps are grounded in a fantasy of frictionless-ness, or the desire to shield the self from discomfort caused by external factors, and argue that this is a fraught cultural ideal. My analysis reveals that a fantasy of frictionless-ness gives birth to a cultural landscape of rampant …
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Vibration of a cantilever beam that slides axially in a rigid frictionless hole
… which can move axially in and out of a rigid frictionless hole and is free to vibrate laterally outside the hole. Two Euler equations describing the lateral and axial motion of the beam are presented. A transformation of coordinates to eliminate the moving boundary, and spatial non …
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Dynamics of sliding mechanisms in nanoscale friction
… whether sliding occurs in the frictional or "frictionless" regime; the former is distinguishable by the presence of jump phenomena, the principal mechanism of friction in the MD model. The Sigma-5 [100](310) symmetric tilt grain boundary exhibits three distinct sliding regimes which are, in …
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A Study of the Stochastic Behavior of Durable Goods Consumption
… their work mainly on quarterly data rejected the frictionless rational expectations/permanent income hypothesis. The distinctive feature of this thesis is that the models are examined using monthly instead of quarterly data. The results of the estimation are compared to the results based on …
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Particle packings and microstructure modeling of energetic materials
This dissertation explores the use of packings of frictionless hard particles as models of the microstructure of particulate heterogeneous materials. In the first part of this dissertation, we present the current mathematical framework used for understanding the properties of particle packings, as …
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Transnational Spaces within the European Union: the geographies of British migrants in France
… experience mobility between member states in a frictionless manner. The thesis adopts a “bottom-up” approach of migrants’ experiences and perceptions of internal borders, as barriers or opportunities to their movement and settlement. This is illustrated through the case of Britons resident in …
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Uma estratégia adaptativa para problemas de contato em elasticidade
… P1,P2,P1,P2,... where P1 is the corresponding frictionless problem with given tangential forces along the contact area and P2 is the associated Duvaut-Lions problem of given normal forces and Coulomb-type friction boundary conditions along the contact region. When the convergence is achieved …
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Infinite Orthotropic plate on an elastic foundation with a traverse point load
… considers an infinite orthotropic plate on a frictionless elastic foundation subjected to a transverse point load. We are concerned with the stress distribution in the vicinity of the load application. Based on the assumption of a uniform stress distribution under the load, a Fourier Transform …
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Shear Thickening In Dense Bidisperse Suspensions By Dynamic Simulation
… universal crossover scaling function between the frictionless and the frictional maximum packing fractions. The rheological properties have been shown to exhibit the scaling collapse identifying a distinctive collapse for the particle pressure, as well as the decrease in the exponent of the …
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Analysis of Exponential Filter Time Series Operators of Geometric Brownian Motion in Trading Strategies
… setting under the assumption of a frictionless market. A number of properties about the structure of the stochastic processes which result from the application of an exponential time series operator to the solution of the asset price SDE and various algebraic combinations of such …
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Analysis of the scratch test for cohesive-frictional materials
… approach, closed form solutions are derived for frictionless scratch devices, and validated against computational upper bound and elastoplastic Finite Element solutions. The influence of friction at the blade{material interface is also investigated, for which a simple computational optimization …
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STRESS RESPONSE OF STATIC PARTICULATE MEDIA
… perturbations. We first study stress response in frictionless and frictional shallow, ordered, granular arrays confined by solid boundaries for a range of system sizes. Stress response profiles from inside the packing and at the boundaries for frictional packings agree well with the predictions …
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An Optimization Approach to Certified Manipulation
… for planar manipulation tasks in the frictionless plane. We propose a theory of certification that enables us to generate long-horizon manipulation plans that are robust to bounded pose uncertainty. The desired outcome of these techniques is to validate them over a wide range of …
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Indentation of plastically graded materials
… yield strength and strain hardening exponent on frictionless normal indentation. To date, however, systematic studies of plasticity gradient effects on indentation response have not been completed. A comprehensive parametric study of the mechanics of indentation of plastically graded materials is …
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Development of an autonomous robotic air hockey player
… to other countries. It is usually played on a frictionless table between two or more people. The dependency of another individual makes it impossible for a person to practice or play alone. An autonomous two-link manipulator was designed and developed to allow a person to individually play air …
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Determination of interaction curves for the stability of a three degree of freedom, shallow arch model under multiple dynamic loads
… model consists of four rigid bars connected by frictionless pins, with rotational springs and dashpots at the three interior joints, and a translational spring at the right hand exterior joint. Three independent loads (P₁, P₂, P₃) are applied to the model, one at each of the three interior …
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Theoretical prediction of joint reaction force in a dynamic general 3-d pendulum tree model for human or animal motion
… forces that are produced in the simple idealized frictionless joints of the pendulum system during motion. The ability to predict dynamic joint reaction forces in this model system could prove helpful in assessing the potential effect of a posited movement technique in producing joint injury …
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A finite element method for three-dimensional analysis of metal forming
… of boundary conditions were also formulated. A frictionless extrusion was simulated using the computer program developed. Velocity profiles at different sections of the deforming solid were obtained and an average extrusion pressure was predicted for a given area reduction ratio.</p> …
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