Large-scale 3D geoelectromagnetic modeling using parallel adaptive high-order finite element method

AV Grayver, TV Kolev - Geophysics, 2015 - library.seg.org
We have investigated the use of the adaptive high-order finite-element method (FEM) for
geoelectromagnetic modeling. Because high-order FEM is challenging from the numerical …

High-order lattice Boltzmann method for multi-group neutron diffusion solution

Y Wang, Y Ma, M Xie - Progress in Nuclear Energy, 2019 - Elsevier
The detailed simulation of neutron diffusion problem plays an important role in neutronics,
wherein a high-order method that can be easily implemented is highly desirable, since this …

A low-rank power iteration scheme for neutron transport criticality problems

J Kusch, B Whewell, R McClarren, M Frank - Journal of Computational …, 2022 - Elsevier
Computing effective eigenvalues for neutron transport often requires a fine numerical
resolution. The main challenge of such computations is the high memory effort of classical …

Standard and goal-oriented adaptive mesh refinement applied to radiation transport on 2D unstructured triangular meshes

Y Wang, JC Ragusa - Journal of Computational Physics, 2011 - Elsevier
Standard and goal-oriented adaptive mesh refinement (AMR) techniques are presented for
the linear Boltzmann transport equation. A posteriori error estimates are employed to drive …

[图书][B] Adaptive mesh refinement solution techniques for the multigroup SN transport equation using a higher-order discontinuous finite element method

Y Wang - 2009 - search.proquest.com
In this dissertation, we develop Adaptive Mesh Refinement (AMR) techniques for the steady-
state multigroup SN neutron transport equation using a higher-order Discontinuous Galerkin …

Galerkin and Generalized Least Squares finite element: A comparative study for multi-group diffusion solvers

SA Hosseini, F Saadatian-Derakhshandeh - Progress in Nuclear Energy, 2015 - Elsevier
In this paper, the solution of multi-group neutron/adjoint equation using Finite Element
Method (FEM) for hexagonal and rectangular reactor cores is reported. The spatial …

Solution of the Lambda modes problem of a nuclear power reactor using an h–p finite element method

A Vidal-Ferrandiz, R Fayez, D Ginestar… - Annals of Nuclear Energy, 2014 - Elsevier
Lambda modes of a nuclear power reactor have interest in reactor physics since they have
been used to develop modal methods and to study BWR reactor instabilities. An h–p …

Goal-oriented spatial adaptivity for the SN equations on unstructured triangular meshes

D Lathouwers - Annals of Nuclear Energy, 2011 - Elsevier
In this paper we investigate a goal-oriented adaptive algorithm for the SN equations on
unstructured meshes. The method is based on a dual-weighted residual approach where an …

[HTML][HTML] A two-mesh adaptive mesh refinement technique for SN neutral-particle transport using a higher-order DGFEM

JC Ragusa, Y Wang - Journal of computational and applied mathematics, 2010 - Elsevier
We present a two-mesh Adaptive Mesh Refinement technique for the SN neutral-particle
transport equation in 2D. A high-order (up to order 4) Discontinuous Galerkin (DG) finite …

Adaptive semi-structured mesh refinement techniques for the finite element method

A Amor-Martin, LE Garcia-Castillo - Applied Sciences, 2021 - mdpi.com
Featured Application This work can improve the computational resources employed to
achieve a given accuracy in electromagnetic simulation. Abstract The adaptive mesh …