High order strong stability preserving time discretizations

S Gottlieb, DI Ketcheson, CW Shu - Journal of Scientific Computing, 2009 - Springer
Strong stability preserving (SSP) high order time discretizations were developed to ensure
nonlinear stability properties necessary in the numerical solution of hyperbolic partial …

Highly efficient strong stability-preserving Runge–Kutta methods with low-storage implementations

DI Ketcheson - SIAM Journal on Scientific Computing, 2008 - SIAM
Strong stability-preserving (SSP) Runge–Kutta methods were developed for time integration
of semidiscretizations of partial differential equations. SSP methods preserve stability …

A wetting and drying treatment for the Runge–Kutta discontinuous Galerkin solution to the shallow water equations

S Bunya, EJ Kubatko, JJ Westerink… - Computer Methods in …, 2009 - Elsevier
This paper proposes a wetting and drying treatment for the piecewise linear Runge–Kutta
discontinuous Galerkin approximation to the shallow water equations. The method takes a …

Stability of the high-order finite elements for acoustic or elastic wave propagation with high-order time stepping

JD De Basabe, MK Sen - Geophysical Journal International, 2010 - academic.oup.com
We investigate the stability of some high-order finite element methods, namely the spectral
element method and the interior-penalty discontinuous Galerkin method (IP-DGM), for …

Scalability of an unstructured grid continuous Galerkin based hurricane storm surge model

S Tanaka, S Bunya, JJ Westerink, C Dawson… - Journal of Scientific …, 2011 - Springer
This paper evaluates the parallel performance and scalability of an unstructured grid
Shallow Water Equation (SWE) hurricane storm surge model. We use the ADCIRC model …

Optimal strong-stability-preserving Runge–Kutta time discretizations for discontinuous Galerkin methods

EJ Kubatko, BA Yeager, DI Ketcheson - Journal of Scientific Computing, 2014 - Springer
Discontinuous Galerkin (DG) spatial discretizations are often used in a method-of-lines
approach with explicit strong-stability-preserving (SSP) Runge–Kutta (RK) time steppers for …

Dynamic p-adaptive Runge–Kutta discontinuous Galerkin methods for the shallow water equations

EJ Kubatko, S Bunya, C Dawson… - Computer Methods in …, 2009 - Elsevier
In this paper, dynamic p-adaptive Runge–Kutta discontinuous Galerkin (RKDG) methods for
the two-dimensional shallow water equations (SWE) are investigated. The p-adaptive …

Time step restrictions for Runge–Kutta discontinuous Galerkin methods on triangular grids

EJ Kubatko, C Dawson, JJ Westerink - Journal of Computational Physics, 2008 - Elsevier
We derive CFL conditions for the linear stability of the so-called Runge–Kutta discontinuous
Galerkin (RKDG) methods on triangular grids. Semidiscrete DG approximations using …

A robust CFL condition for the discontinuous Galerkin method on triangular meshes

N Chalmers, L Krivodonova - Journal of Computational Physics, 2020 - Elsevier
When the discontinuous Galerkin (DG) method is applied to hyperbolic problems in two
dimensions on triangular meshes and paired with an explicit time integration scheme, an …

Stability analysis for linear discretisations of the advection equation with Runge–Kutta time integration

M Baldauf - Journal of Computational Physics, 2008 - Elsevier
For the 1-dim. linear advection problem stability limits of Runge–Kutta (RK) methods from 1st
to 7th order in combination with upwind or centered difference schemes from 1st to 6th order …