[HTML][HTML] ExaHyPE: An engine for parallel dynamically adaptive simulations of wave problems

A Reinarz, DE Charrier, M Bader, L Bovard… - Computer Physics …, 2020 - Elsevier
Abstract ExaHyPE (“An Exascale Hyperbolic PDE Engine”) is a software engine for solving
systems of first-order hyperbolic partial differential equations (PDEs). Hyperbolic PDEs are …

High order ADER schemes for continuum mechanics

S Busto, S Chiocchetti, M Dumbser, E Gaburro… - Frontiers in …, 2020 - frontiersin.org
In this paper we first review the development of high order ADER finite volume and ADER
discontinuous Galerkin schemes on fixed and moving meshes, since their introduction in …

A structure-preserving staggered semi-implicit finite volume scheme for continuum mechanics

W Boscheri, M Dumbser, M Ioriatti, I Peshkov… - Journal of …, 2021 - Elsevier
We propose a new pressure-based structure-preserving (SP) and quasi asymptotic
preserving (AP) staggered semi-implicit finite volume scheme for the unified first order …

Efficient implementation of ADER discontinuous Galerkin schemes for a scalable hyperbolic PDE engine

M Dumbser, F Fambri, M Tavelli, M Bader, T Weinzierl - Axioms, 2018 - mdpi.com
In this paper we discuss a new and very efficient implementation of high order accurate
arbitrary high order schemes using derivatives discontinuous Galerkin (ADER-DG) finite …

A unified first-order hyperbolic model for nonlinear dynamic rupture processes in diffuse fracture zones

AA Gabriel, D Li, S Chiocchetti… - … of the Royal …, 2021 - royalsocietypublishing.org
Earthquake fault zones are more complex, both geometrically and rheologically, than an
idealized infinitely thin plane embedded in linear elastic material. To incorporate nonlinear …

Modeling wave propagation in elastic solids via high-order accurate implicit-mesh discontinuous Galerkin methods

V Gulizzi, R Saye - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
A high-order accurate implicit-mesh discontinuous Galerkin framework for wave propagation
in single-phase and bi-phase solids is presented. The framework belongs to the embedded …

Simulation of non-Newtonian viscoplastic flows with a unified first order hyperbolic model and a structure-preserving semi-implicit scheme

I Peshkov, M Dumbser, W Boscheri, E Romenski… - Computers & …, 2021 - Elsevier
We discuss the applicability of a unified hyperbolic model for continuum fluid and solid
mechanics to modeling non-Newtonian flows and in particular to modeling the stress-driven …

A cell-centered implicit-explicit Lagrangian scheme for a unified model of nonlinear continuum mechanics on unstructured meshes

W Boscheri, S Chiocchetti, I Peshkov - Journal of Computational Physics, 2022 - Elsevier
A cell-centered implicit-explicit updated Lagrangian finite volume scheme on unstructured
grids is proposed for a unified first-order hyperbolic formulation of continuum fluid and solid …

Space-time adaptive ADER discontinuous Galerkin schemes for nonlinear hyperelasticity with material failure

M Tavelli, S Chiocchetti, E Romenski, AA Gabriel… - Journal of computational …, 2020 - Elsevier
We are concerned with the numerical solution of a unified first order hyperbolic formulation
of continuum mechanics that goes back to the work of Godunov, Peshkov and Romenski …

A simple diffuse interface approach for compressible flows around moving solids of arbitrary shape based on a reduced Baer–Nunziato model

F Kemm, E Gaburro, F Thein, M Dumbser - Computers & fluids, 2020 - Elsevier
In this paper we propose a new diffuse interface model for the numerical simulation of
inviscid compressible flows around fixed and moving solid bodies of arbitrary shape. The …