We propose a simple numerical method for capturing the steady state solution of hyperbolic systems with geometrical source terms. We use the interface value, rather than the cell-averages, for the source terms that balance the nonlinear convection at the cell interface, allowing the numerical capturing of the steady state with a formal high order accuracy. This method applies to Godunov or Roe type upwind methods but requires no modification of the Riemann solver. Numerical experiments on scalar conservation laws and the one dimensional shallow water equations show much better resolution of the steady state than the conventional method, with almost no new numerical complexity.
Mots-clés : hyperbolic systems, source terms, steady state solution, shallow water equations, shock capturing methods
@article{M2AN_2001__35_4_631_0, author = {Jin, Shi}, title = {A steady-state capturing method for hyperbolic systems with geometrical source terms}, journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique}, pages = {631--645}, publisher = {EDP-Sciences}, volume = {35}, number = {4}, year = {2001}, mrnumber = {1862872}, zbl = {1001.35083}, language = {en}, url = {http://www.numdam.org/item/M2AN_2001__35_4_631_0/} }
TY - JOUR AU - Jin, Shi TI - A steady-state capturing method for hyperbolic systems with geometrical source terms JO - ESAIM: Modélisation mathématique et analyse numérique PY - 2001 SP - 631 EP - 645 VL - 35 IS - 4 PB - EDP-Sciences UR - http://www.numdam.org/item/M2AN_2001__35_4_631_0/ LA - en ID - M2AN_2001__35_4_631_0 ER -
%0 Journal Article %A Jin, Shi %T A steady-state capturing method for hyperbolic systems with geometrical source terms %J ESAIM: Modélisation mathématique et analyse numérique %D 2001 %P 631-645 %V 35 %N 4 %I EDP-Sciences %U http://www.numdam.org/item/M2AN_2001__35_4_631_0/ %G en %F M2AN_2001__35_4_631_0
Jin, Shi. A steady-state capturing method for hyperbolic systems with geometrical source terms. ESAIM: Modélisation mathématique et analyse numérique, Tome 35 (2001) no. 4, pp. 631-645. http://www.numdam.org/item/M2AN_2001__35_4_631_0/
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