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 75 for “"Multi-directional"”.
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Investigating multi-directional inhomogeneous granular suspensions
Granular flows in rotating drums find many applications in industry, even though the dynamics of their granular media is not fully understood. Several models of granular flow and granular suspensions (where a viscous fluid is present in the voids between the granular particles) have been proposed …
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The effects of multi-directional loading on soil liquefaction
… for the first time, the influence of multi-directional shearing on soil behaviour, especially the undrained behaviour of saturated sands, remains one of the least understood areas in geotechnics. This study developed a new test database on Hostun sand with the modified …
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Multi-directional Rapidly Exploring Random Graph (mRRG) for Motion Planning
… of the robot. In this work, we propose a multi-directional Rapidly-Exploring Random Graph (mRRG) for robotic motion planning, a variant of the Rapidly-Exploring Random Graph (RRG). Instead of expanding a vertex in the tree in a single random direction during each iteration, mRRG expands in …
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Characterization of flow control using programmable multi-directional plasma actuators
… and electrical configuration to generate directionally programmable flow fields near the surface of arrays of such plasma actuators. Plasma actuators are unique ionothrusters which are reliant on geometry to define flow directionality. This thesis defines and makes use of a new class of …
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Performance Evaluation of Transit Signal Priority in Multi-Directional Signal Priority Request Situations
Ring Barrier signal controller in VISSIM traffic simulation software provides different options for configuring Transit Signal Priority. This controller emulator allows for considering arterial progression by Priority Progression parameter; preferring specific transit signal priority calls to other …
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Physics-Based 3D Multi-Directional Reloading Algorithm for Deep Burn HTR Prismatic Block Systems
… Due to favorable performance characteristics, multiple studies are focused on transmutation options using High Temperature Gas-cooled Reactors (HTGRs). Prismatic HTGRs allow for 3-Dimensional (3D) fuel shuffling and prior shuffling algorithms were based on experimental block movement and/or …
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The Development of a Multi-Directional Wear Apparatus and the Characterization and Correlation of Biomechanical and Biotribological Properties of Bovine Articular Cartilage
A multi-directional wear apparatus was developed to simulate the kinematic motion of diarthrodial joints. A comprehensive evaluation including biotribological and biomechanical characterization of articular surfaces was performed with concomitant translational and oscillating rotational motion …
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Do the gluteal muscles influence dynamic knee valgus when single-leg landing?
… knee valgus during Single Leg Squat (SLS) and multi-directional single leg landing. Methods: Thirty-four active, healthy participants comprising of 17 males and 17 females participated in this study. Hip extension and abduction isokinetic (concentric / eccentric) strength was assessed, gluteus …
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Effect of Ground Motion Characteristics on the Seismic Response of Torsionally Coupled Elastic Systems
… of ground motion characteristics, especially its multi-directional character, on the response of torsionally coupled elastic structural systems. The ground motion model is probabilistic and is founded on the assumption of the existence of ground motion principal directions. The structural systems …
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Stability analysis of anchored rock slopes against plane failure subjected to surcharge and seismic loads
… expression for the factor of safety of a single-directional anchored rock slope (SDARS) is derived, along with a discussion of its special cases in view of different practical situations. Parametric studies and design charts for the stability of the SDARS are presented, and an illustrative …
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Exiles, Knowledge, and Power: Utopian and Dystopian Worlds in Early Modern England
… among exiles, knowledge, and power is multi-directional, showing that knowledge can empower and disempower the exile, allowing for the renegotiation of identity. Moreover, access to knowledge is dependent on and influenced by social constructs and the individual’s position in society. …
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Impact of complex system behavior on seismic assessment of RC bridges
… with irregular or curved geometry subjected to multi-directional loading is non-trivial. The effect of the resulting combined interactions on structural response and its implications on system-level bridge vulnerability are assessed in this study. Fragility curves generated for bridges with …
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Numerical simulations of site response and seismic settlements at Kashiwazaki-Kariwa Nuclear Power Plant, Japan
… pressure coupled numerical modeling of multi-directional shear and volumetric response of Service Hall free-field site and Arahama Site on which the reactor and turbine buildings, as well as the transformer house are located using a newly developed soil-constitutive model in LS-DYNA. The …
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Optimal and Feedback Control for Hyperbolic Conservation Laws
… traffic control problems. New traffic models for multi-directional flow in two dimensions are derived and their properties studied. Control models are proposed where the control variable is a multiplicative term in the flux function. Control models are also proposed for relaxation type systems of …
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Tracing the integration trajectories of diverse Spanish citizens in the UK
… realities, have highlighted the dynamic, multi-directional and processual nature of the phenomenon. Drawing on these ideas, the project’s aim was to explore to what extent these conceptualisations were effective in accounting for the integration trajectories of diverse Spanish citizens. …
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Technology against technocracy : toward design strategies for critical community technology
… Technology Pedagogy that is demystificatory, multi-directional, transferable, and constructive, and draws upon examples from the Civic Lab for Environmental Action Research (CLEAR) in Newfoundland, Data DiscoTechs in Detroit, and the Center for Urban Pedagogy in New York City.
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Virtual Clicker - A Tool for Classroom Interaction and Assessment
… classrooms. When properly used it will allow for multi-directional feedback; teacher to student, student to teacher, and student to student. It also supports the use of digital ink for Tablet PCs in this interaction environment.
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Investigating the usability of touch-based user interfaces
… test, Dragging test, One direction test and Multi directional test) which are deliberately developed as abstract tasks with the purpose of analysing the user’s ability on simple tasks without a real world context. The context experiment consist of four tests as well (Tracing test, Dragging …
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A Multi-Dimensional Width-Bounded Geometric Separator and its Applications to Protein Folding
… by using the newly introduced concept of multi-directional width-bounded geometric separator. We proved that for a grid graph G with n grid points P, there exists a balanced separator A subseteq P$ such that A has less than or equal to 1.02074 sqrt{n} points, and G-A has two disconnected …
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Wave reflections from breakwaters
… for estimating the reflection of a random, multi-directional sea from a coastal structure. The technique is applicable to an array of wave gauges of arbitrary geometry deployed seaward of the reflector. An expansion for small oblique wave incidence angles is used to derive an approximate …
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