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 41 for “"Interface conditions"”.
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Intonation and interface conditions
The thesis presents a theoretical and experimental investigation of the interaction between focus intonation pattern (FIP) and certain syntactic phenomena-especially those involving wh-questions-in Japanese. A phonological mechanism of FIP formation is proposed that accounts for the variety of FIPs …
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Interface Conditions for Domain Decomposition Methods with Non-Conforming Grids.
North Carolina State University Theses Civil Engineering.
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Numerical Methods for Fluid-Solid Coupled Simulations: Robin Interface Conditions and Shock-Dominated Applications
… The first part investigates the use of Robin interface conditions to resolve the well-known numerical added-mass instability, which affects partitioned coupling procedures for solving problems with incompressible flow and strong added-mass effect. First, a one-parameter Robin interface …
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Nonlinear Analysis of the Load Transfer Mechanism in Rigid Pavement Systems Considering Various Interface Conditions
… mechanism across a joint system when different interface conditions are considered. The proposed load transfer efficiency was found to be a more useful measure of joint performance. It captured the variations in efficiency that accompany changing geometries and interface conditions. Therefore, …
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Contributions of posture and deformity to the body-seat interface conditions of a person with spinal cord injuries
… posture to the variables occurring at body-seat interface. Four variables were investigated involving two study groups; a normal control group and a group of individuals with spinal cord injury. The variables are: spinal/pelvic alignment, pressures across the buttock support area, tangential …
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Numerische Simulation mechanischer Wellen in dreidimensionalen elastisch-plastischen Festkörpern mit Diskontinuitätsflächen und Rissen
… elastic-plastic solids with material interfaces and cracks are considered. The corresponding system of hyperbolic partial differential equations is numerically solved with an explicit finite volume scheme. The implementation of absorbing boundary conditions, interface conditions and …
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Richtmyer-Meshkov instability with reshock and particle interactions
… instability (RMI) occurs when an interface of two fluids with different densities is impulsively accelerated. The main interest in RMI is to understand the growth of perturbations, and numerous theoretical models have been developed and validated against experimental/numerical …
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Mechanistic Analysis of in-Service Airfield Concrete Pavement Responses
… of Variance (ANOVA). The analysis of in-situ interface condition was based on multi-sensor readings and comparison between theoretical and measured data. The existence of gaps beneath the slab and the interface condition were evaluated based on Multi-Depth Deflectometers (MDDs) and paired …
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An augmented reality interface for multi-robot tele-operation and control
… tasks. The system combines augmented reality interfaces capabilities with human supervisor's ability to control multiple robots. It used advanced path planning algorithms to ensure obstacles are avoided and that the operators are free for higher-level tasks. A sensor data fused AR view is …
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Probabilistic finite element analysis of the uncemented total hip replacement
… surgical approach, femur size and quality, interface conditions etc. All these factors are subject to variation and therefore uncertainties have to be taken into account when designing and analysing the performance of these systems. To address this problem, probabilistic design methods have …
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Μοντέλα "πεπερασμένων στοιχείων πλήρωσης" με συνθήκες μονόπλευρης επαφής-τριβής και ελαστικό ή ανελαστικό καταστατικό νόμο
… INTO ACCOUNT THE UNILATERAL FRICTIONAL CONTACT INTERFACE CONDITIONS BETWEEN FRAME AND INFILL, IN ORDER TO REPRESENT IN THE BEST MANNER THE REAL BEHAVIOUR OF THE INFILLED FRAMES BY USING A SINGLE FINITE ELEMENT FOR EACH INFILL PANEL. THE DISSERTATION IS DIVIDED INTO 6 CHAPTERS. IN THE FIRST …
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Morphosyntax and semantics of degree constructions
… inferences follow from independently motivated conditions that regulate the presence of the EVAL operator at the interfaces. In particular, three interface conditions are identified and discussed in detail: ++ At Logical Form (LF), derivations are subject to a structural economy condition, …
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Análise de problemas não lineares de transferência de calor pelo método dos elementos de contorno
… conductivity and to the non-linear boundary and interface conditions. The B.E.M. is employed together with the Kirchhoff transform. By introducing the integral of conductivity as a new variable, the equation governing the transformed problem becomes linear and the convection boundary conditions …
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Domain decomposition preconditioners for higher-order discontinuous Galerkin discretizations
… problems using a Robin-Robin interface condition. An inexact BDDC preconditioner is developed based on incomplete factorizations and a p-multigrid type coarse grid correction. It is shown that the incomplete factorization of the singular linear systems corresponding to local …
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Word order and information structure in Romeyka: A syntax and semantics interface account of order in a minimalist system
… to a computationally efficient satisfaction of interface conditions. The language examined is Romeyka, the only Asia Minor Greek variety still spoken in the area historically known as Asia Minor (present-day Anatolia, Turkey). The objective of this study is therefore twofold: (a) descriptively, …
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A numerical study of shock-induced hot spot generation in energetic material
… equations, together with the initial and interface conditions, are solved numerically for a series of test cases for RDX (C3H6N6O6) and HMX (C4H8N8O8). The results shows that viscoplastic heating is an effective mechanism in the ignition of shocked energetic materials. In addition, it is …
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Higher Order Immersed Finite Element Methods for Interface Problems
… alongside with applications to the elliptic interface problem and the hyperbolic interface problem. In the first part, we discuss a general m-th degree IFE space for one dimensional interface problems with many polynomial-like properties, then we develop a general framework for obtaining …
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System level dispersion analysis examining program benefits to a low-thrust interplanetary CubeSat from autonomous guidance and navigation
… for a low-thrust CubeSat in route to entry-interface conditions at Mars. Applicable mission plan concepts, appropriate analysis settings, as well as required mission performance used in the analysis were based on input collected from industry as well as criteria from prior Mars missions and …
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Interface issues in the English imperative
… imperative are treated here as consequences of interface conditions. The first concerns the inability of certain predicates to take an overt subject in the imperative. The second concerns the ungrammaticality of certain negative and emphatic imperatives with an overt subject. The investigation …
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Domain decomposition methods for time-harmonic elastic waves
… type method. That is the reason why transmission conditions between subdomains are very important.In this manuscript, we start by an overview of main domain decomposition methods and focus first on their use as preconditioners. Then we consider these methods from an iterative point of view and …
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