守恒定律
数学
有限体积法
间断伽辽金法
离散化
欧拉方程
最大值原理
标量(数学)
应用数学
磁通限制器
多边形网格
数学分析
有限元法
数学优化
几何学
物理
最优控制
机械
热力学
作者
Xiangxiong Zhang,Chi‐Wang Shu
标识
DOI:10.1016/j.jcp.2009.12.030
摘要
We construct uniformly high order accurate schemes satisfying a strict maximum principle for scalar conservation laws. A general framework (for arbitrary order of accuracy) is established to construct a limiter for finite volume schemes (e.g. essentially non-oscillatory (ENO) or weighted ENO (WENO) schemes) or discontinuous Galerkin (DG) method with first order Euler forward time discretization solving one-dimensional scalar conservation laws. Strong stability preserving (SSP) high order time discretizations will keep the maximum principle. It is straightforward to extend the method to two and higher dimensions on rectangular meshes. We also show that the same limiter can preserve the maximum principle for DG or finite volume schemes solving two-dimensional incompressible Euler equations in the vorticity stream-function formulation, or any passive convection equation with an incompressible velocity field. Numerical tests for both the WENO finite volume scheme and the DG method are reported.
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