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 5 of 5 for “"stabilized finite element method"”.
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Time-dependent adjoint-based optimization of photonic crystals and metamaterials using a stabilized finite element method
… using a semi-discrete Petrov-Galerkin method, and time advancement is accomplished with an implicit, second-order backward differentiation formulation (BDF2). Utilizing the developed capability, two gradient-based shape design optimizations are conducted. In the first optimization an …
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Métodos de elementos finitos e diferenças finitas para a equação de Helmholtz
Os métodos clássicos de elementos finitos e diferenças finitas, quando aplicados à equação de Helmholtz, apresentam o que é chamado de efeito de poluição do erro, comprometendo seriamente a qualidade da solução aproximada. Em virtude de numérico, foram desenvolvidos, nas últimas décadas, uma série …
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Error analysis of higher order time-domain finite element methods for the one-dimensional Maxwell's equations
A well known nodal discontinuous Galerkin finite element method has been extended for higher order temporal accuracy using several schemes. While common in computational fluid dynamics, less research has been conducted with these methods for computational electromagnetics. A stabilized finite …
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A finite element method for the fully-coupled magnetohydrodynamics
This thesis presents a finite element method for the solution of three-dimensional magnetohydrodynamic flows. The physics of such flows is governed by the Navier-Stokes equations, which are extended to account for the Lorentz forces, and by Maxwell equations from which the magnetic induction …
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A variational multiscale framework for non-Newtonian fluid models
This dissertation presents stabilized mixed finite element formulations for non-Newtonian models for complex fluids. One class of non-Newtonian fluids is shear-rate dependent fluids that include nonlinear viscosity functions of the second invariant of the rate-of-deformation tensor, thereby …