On the Proper Setup of the Double Mach Reflection as a Test Case for the Resolution of Gas Dynamics Codes

TL;DR

This paper examines how to properly set up the double Mach reflection problem, including initial conditions and domain size, to effectively test the resolution capabilities of Euler gas dynamics codes.

Contribution

It provides guidelines for initial and boundary conditions and domain size to standardize the double Mach reflection test case.

Findings

Proper setup improves test consistency

Guidelines enhance comparison of gas dynamics codes

Optimized conditions lead to better resolution assessment

Abstract

This note discusses the initial and boundary conditions as well as the size of the computational domain for the double Mach reflection problem when set up as a test for the resolution of an Euler scheme for gas dynamics.