Search Results - "Crockatt, Michael M."
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Improvements to a class of hybrid methods for radiation transport: Nyström reconstruction and defect correction methods
Published in Journal of computational physics (01-12-2020)“…•Improved hybrid methods for time-dependent radiation transport calculations are considered.•A Nyström-type reconstruction is introduced to map between…”
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An arbitrary-order, fully implicit, hybrid kinetic solver for linear radiative transport using integral deferred correction
Published in Journal of computational physics (01-10-2017)“…In this work, we describe the implementation of an arbitrarily high-order hybrid solver for linear, kinetic, radiative transport equations. The hybrid method…”
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An implicit monolithic AFC stabilization method for the CG finite element discretization of the fully-ionized ideal multifluid electromagnetic plasma system
Published in Journal of computational physics (01-09-2022)“…This study considers an implicit finite element formulation for an ideal fully-ionized multifluid electromagnetic plasma system. The formulation is based on…”
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Hybrid methods for radiation transport using diagonally implicit Runge–Kutta and space–time discontinuous Galerkin time integration
Published in Journal of computational physics (01-01-2019)“…In this work, we describe extensions of a hybrid method for time-dependent linear, kinetic radiation transport problems to high-order time integration schemes…”
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An arbitrary-order, fully implicit, hybrid kinetic solver for linear radiative transport using integral deferred correction
Published in Journal of computational physics (01-10-2017)Get full text
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ALEGRA: Finite element modeling for shock hydrodynamics and multiphysics
Published in International journal of impact engineering (01-10-2023)“…ALEGRA is a multiphysics finite-element shock hydrodynamics code, under development at Sandia National Laboratories since 1990. Fully coupled multiphysics…”
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On a fully-implicit VMS-stabilized FE formulation for low Mach number compressible resistive MHD with application to MCF
Published in Computer methods in applied mechanics and engineering (15-12-2023)“…This study presents the development and evaluation of a fully-implicit variational multiscale (VMS) stabilized unstructured finite element (FE) formulation for…”
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Hybrid Methods for Radiation Transport Using Integral Deferred Correction
Published 01-01-2018“…This thesis provides roughly three contributions to the study of defect correction methods and hybrid methods for radiation transport. First, a modification of…”
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Dissertation