[HTML][HTML] Dual field structure-preserving discretization of port-Hamiltonian systems using finite element exterior calculus

A Brugnoli, R Rashad, S Stramigioli - Journal of computational physics, 2022 - Elsevier
In this paper we propose a novel approach to discretize linear port-Hamiltonian systems
while preserving the underlying structure. We present a finite element exterior calculus …

Energy-preserving mixed finite element methods for the elastic wave equation

S Li, Y Wu - Applied Mathematics and Computation, 2022 - Elsevier
In this paper, energy-preserving mixed finite element methods corresponding to finite
element exterior calculus are constructed for the first-order formulation of the elastic wave …

Energy-stable mixed finite element methods for a ferrofluid flow model

Y Wu, X Xie - Communications in Nonlinear Science and Numerical …, 2023 - Elsevier
In this paper, we develop a class of mixed finite element methods for the ferrofluid flow
model proposed by Shliomis (1972). We show that the energy stability of the weak solutions …

A high order explicit time finite element method for the acoustic wave equation with discontinuous coefficients

Z Chen, Y Liu, X Xiang - arXiv preprint arXiv:2112.02867, 2021 - arxiv.org
In this paper, we propose a novel high order unfitted finite element method on Cartesian
meshes for solving the acoustic wave equation with discontinuous coefficients having …

Energy-stable mixed finite element methods for the Rosensweig ferrofluid flow model

Y Wu, X Xie - arXiv preprint arXiv:2412.00360, 2024 - arxiv.org
In this paper, we consider mixed finite element semi-/full discretizations of the Rosensweig
ferrofluid flow model. We first establish some regularity results for the model under several …

Efficient and Parallel Solution of High-Order Continuous Time Galerkin for Dissipative and Wave Propagation Problems

Z Chen, Y Liu - SIAM Journal on Scientific Computing, 2024 - SIAM
We propose efficient and parallel algorithms for the implementation of the high-order
continuous time Galerkin method for dissipative and wave propagation problems. By using …

A physics-compatible dual field discretization using domain decomposition

SDM Jong - 2023 - essay.utwente.nl
The dual field discretization is applied to decomposed domain to obtain a physics-
compatible discretization method. The domain is decomposed such that each subdomain …