Multiphysics simulations: Challenges and opportunities
We consider multiphysics applications from algorithmic and architectural perspectives,
where “algorithmic” includes both mathematical analysis and computational complexity, and …
where “algorithmic” includes both mathematical analysis and computational complexity, and …
A well balanced and entropy conservative discontinuous Galerkin spectral element method for the shallow water equations
In this work, we design an arbitrary high order accurate nodal discontinuous Galerkin
spectral element type method for the one dimensional shallow water equations. The novel …
spectral element type method for the one dimensional shallow water equations. The novel …
Implicit-explicit formulations of a three-dimensional nonhydrostatic unified model of the atmosphere (NUMA)
We derive an implicit-explicit (IMEX) formalism for the three-dimensional (3D) Euler
equations that allow a unified representation of various nonhydrostatic flow regimes …
equations that allow a unified representation of various nonhydrostatic flow regimes …
An entropy stable nodal discontinuous Galerkin method for the two dimensional shallow water equations on unstructured curvilinear meshes with discontinuous …
N Wintermeyer, AR Winters, GJ Gassner… - Journal of Computational …, 2017 - Elsevier
We design an arbitrary high-order accurate nodal discontinuous Galerkin spectral element
approximation for the non-linear two dimensional shallow water equations with non …
approximation for the non-linear two dimensional shallow water equations with non …
A staggered semi-implicit hybrid finite volume/finite element scheme for the shallow water equations at all Froude numbers
We present a novel staggered semi-implicit hybrid finite volume/finite element method for the
numerical solution of the shallow water equations at all Froude numbers on unstructured …
numerical solution of the shallow water equations at all Froude numbers on unstructured …
[HTML][HTML] Arbitrary-Lagrangian–Eulerian discontinuous Galerkin schemes with a posteriori subcell finite volume limiting on moving unstructured meshes
W Boscheri, M Dumbser - Journal of Computational Physics, 2017 - Elsevier
We present a new family of high order accurate fully discrete one-step Discontinuous
Galerkin (DG) finite element schemes on moving unstructured meshes for the solution of …
Galerkin (DG) finite element schemes on moving unstructured meshes for the solution of …
[HTML][HTML] A staggered space–time discontinuous Galerkin method for the three-dimensional incompressible Navier–Stokes equations on unstructured tetrahedral …
M Tavelli, M Dumbser - Journal of Computational Physics, 2016 - Elsevier
In this paper we propose a novel arbitrary high order accurate semi-implicit space–time
discontinuous Galerkin method for the solution of the three-dimensional incompressible …
discontinuous Galerkin method for the solution of the three-dimensional incompressible …
Efficient high order accurate staggered semi-implicit discontinuous Galerkin methods for natural convection problems
In this article we propose a new family of high order staggered semi-implicit discontinuous
Galerkin (DG) methods for the simulation of natural convection problems. Assuming small …
Galerkin (DG) methods for the simulation of natural convection problems. Assuming small …
[HTML][HTML] Implicit and semi-implicit well-balanced finite-volume methods for systems of balance laws
The aim of this work is to design implicit and semi-implicit high-order well-balanced finite-
volume numerical methods for 1D systems of balance laws. The strategy introduced by two …
volume numerical methods for 1D systems of balance laws. The strategy introduced by two …
Analysis of adaptive mesh refinement for IMEX discontinuous Galerkin solutions of the compressible Euler equations with application to atmospheric simulations
MA Kopera, FX Giraldo - Journal of Computational Physics, 2014 - Elsevier
The resolutions of interests in atmospheric simulations require prohibitively large
computational resources. Adaptive mesh refinement (AMR) tries to mitigate this problem by …
computational resources. Adaptive mesh refinement (AMR) tries to mitigate this problem by …