Nonlinear entropy stability analysis is used to derive entropy stable no-slip wall boundary conditions for the Eulerian model proposed by Sv\"{a}rd (Physica A: Statistical Mechanics and its Applications, 2018). and its spatial discretization based on entropy stable collocated discontinuous Galerkin operators with the summation-by-parts property for unstructured grids. A set of viscous test cases of increasing complexity are simulated using both the Eulerian and the classic compressible Navier-Stokes models. The numerical results obtained with the two models are compared, and differences and similarities are then highlighted.
翻译:Sv\"{a}rd(Physica A:统计机械学及其应用,2018年)提议的Eularian模型及其空间离散性,其空间离散性以对无结构电网的不线性能进行非线性酶稳定性分析,对非结构化电网进行逐部分总和。使用Eulurian和经典压缩式导航-斯托克斯模型模拟了一组日益复杂的粘度测试案例。对这两种模型获得的数字结果进行了比较,然后突出显示了差异和相似性。