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 90 for “"Subdomain"”.
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Optimising subdomain aspect ratios for parallel load balancing
… is needed. Common strategies try to minimise subdomain dependencies by minimising the number of cut edges in the partition. For many solvers this is the most influential factor. However for example, for certain preconditioned Conjugate Gradient solvers this cutsize can play only a minor role, …
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Targeted Social Skills Instruction For Secondary Students With Emotional/Behavior Disorders
… determine student outcomes in the Social Skills subdomain areas of Communication, Cooperation, Assertion, Responsibility, Empathy, and Self-Control. In addition the study also looked at the Problem Behavior subdomain areas of Externalizing, Bullying, Hyperactivity/Inattention, and Internalizing. …
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Hybrid atomistic-continuum formulations for gaseous flows
… continuum boundary conditions on the atomistic subdomain. The relative merits of different approaches for both are delineated and demonstrated using sample test problems. For the case of incompressible steady gaseous flows a hybrid formulation is developed using a finite element method for the …
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Computation of interlaminar stresses from finite element solutions to plate theories
… solution as a first approximation. A rectangular subdomain that may consist of several elements is selected from the finite element model. The displacement w(,y) over the subdomain is expanded in a Chebyshev series. Then collocation is used to determine the unknown Chebyshev coefficients such that …
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Investigation of explicit finite-element time-domain methods and modeling of dispersive media and 3D high-speed circuits
… board (PCB) structures, the unknowns within each subdomain are eliminated and a global interface problem containing only the unknowns at the via holes is obtained. The interface problem is then solved and the volume unknowns in each subdomain are recovered. This method maintains the unconditional …
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Defect correction based domain decomposition methods for some nonlinear problems
… ways they split a complex problem into several subdomain problems with less complexity. The schemes need a nonlinear solver to take care of the residual at the interface. The adaptive-∝ solver can converge locally in the ∞-norm, where the sufficient condition requires a relatively small local …
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Chemotactic Sensory Transduction in Bacillus Subtilis: A New Enzyme and a New Pathway
… utilizes the cytoplasmic methyl-accepting subdomain of McpC as a sensor for PTS stimuli. This receptor subdomain has not been reported to function as a sensor of chemical stimuli for any known chemoreceptor.
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Stabilized Finite Elements and a Domain Decomposition Method for First-Order Transient Problems
… to be coupled with different time steps in each subdomain, which is a highly desirable feature in the multiscale and multiphysics simulations. One of the advantages of the method is that existing software and numerical techniques can be used to solve each subdomain separately. The proposed …
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ADMM Based Methods for Time-Domain Decomposition Formulations of Optimal Control Problems
… split the time-dependent PDE into coupled subdomain equations and introduce potential for parallelism and global memory reduction. This thesis tailors ADMM to the TDD structure. ADMM requires the parallel solution of smaller subdomain problems and reduces the number of variables that need …
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Pragmatic referring functions as Montague semantic operators
… is defended that lexical semantics is not a subdomain of semantics, but rather a subdomain of pragmatics. That is, knowledge about the meaning of words is not part of one's knowledge of the language, but rather part of one's knowledge of the world. This distinction marks the traditional …
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Validation of interpolative interfaces for rotorcraft applications
… Thus, each moving component is meshed in its own subdomain, and a nonmatching and sliding interface method is used to compute fluxes across the subdomain boundaries. Testing of the implementation of this method in Tenasi is the primary purpose of the study.
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Investigations of tetraspanin functions using large extracellular loops
… protein reveals that it is composed of two subdomains: a dimerization subdomain and a variable subdomain proposed to mediate heterotypic interactions. These results suggest both a means for exploring endogenous tetraspanins functions and a mechanism by which tetraspanins may oligomerize. …
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Parallelization of the Advancing Front Local Reconnection Mesh Generation Software Using a Pseudo-Constrained Parallel Data Refinement Method
… scheme to divide the original geometry into subdomains (octree leaves), (ii) refine each subdomain with the proper adjustments of its neighbors using the given refinement code, and (iii) combine all subdomain data into a single, conforming mesh. Parallelism was achieved by implementing …
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Local Motions in Proteins as Investigated by the Thermal Coefficient of the Frictional Resistance to Rotation (Protein Dynamics, Fluorescence, Viscosity)
… of the chromophore and the surrounding protein subdomain. This subdomain is characterized by only a few amino acids, indicating the importance of the immediate environment. Through a simple thermodynamic model, the enthalpy change for these coupling in motions can be calculated. In certain …
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Techniques for analyzing planar, periodic, frequency selective surface systems
… for implementing the analysis for the case of subdomain basis functions. In this presentation, the focus is placed on concepts which will provide the engineer with the tools that will enable him to properly use a numerical implementation of the FSS analysis."
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HAMP Domain and Signaling Mechanism of the Aer Protein
… domain in aerotaxis signal transduction. Namely, subdomain 1 stabilizes folding of the N terminus and maintains membrane topology of the protein. Subdomain 2 interacts with the PAS domain and/or FI region to stabilize the FADbinding conformation and receives sensory signals. Subdomain 3 mediates …
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Boundary integral equation based numerical solutions of helmholtz transmission problems for composite scatters
… local Dirichlet and Neumann traces on subdomains within Green’s identities and use restriction and extension by zero operators to enforce the intradomain continuity of the fields and fluxes. Through usage of subdomain Calderon projectors, the transmission problem is cast into a linear …
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Studies of PARP-1 activation and inhibition using NMR spectroscopy
… leads to conformational changes in the HD subdomain of the catalytic domain that promote increased catalytic activity and lead to PARP-1 automodification and recruitment of DNA damage response proteins. Small molecule inhibitors of PARP-1 catalytic domain activity are also the first …
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An anisotropic damage model for rock
… is achieved by the definition of damage in a subdomain of the total strain and the characterisation of the directional microcracking by a fourth order tensor internal variable, the damaged secant stiffness of the 'crack' strain subdomain. Induced anisotropy results from the reduction of …
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Numerical Methods for Solving the Problem of Electromagnetic Scattering From Large Bodies
… method of moments (MoM) utilizing the subdomain basis functions has been widely used to solve a variety of electromagnetic scattering problems. However, the size of the scatterers that can be analyzed by using MoM is limited to only a few wavelengths due to the storage requirements in …
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