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A Maximum-Principle-Satisfying High-Order Finite Volume Compact WENO Scheme for Scalar Conservation Laws with Applications in Incompressible Flows

机译:标量守恒律的最大原理高阶有限体积紧凑型WENO方案及其在不可压缩流中的应用

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摘要

In this paper, a maximum-principle-satisfying finite volume compact scheme is proposed for solving scalar hyperbolic conservation laws. The scheme combines weighted essentially non-oscillatory schemes (WENO) with a class of compact schemes under a finite volume framework, in which the nonlinear WENO weights are coupled with lower order compact stencils. The maximum-principle-satisfying polynomial rescaling limiter in Zhang and Shu (J Comput Phys 229:3091-3120, 2010, Proc R Soc A Math Phys Eng Sci 467:2752-2776, 2011) is adopted to construct the present schemes at each stage of an explicit Runge-Kutta method, without destroying high order accuracy and conservativity. Numerical examples for one and two dimensional problems including incompressible flows are presented to assess the good performance, maximum principle preserving, essentially non-oscillatory and high resolution of the proposed method.
机译:为解决标量双曲守恒律,提出了一种最大原理满足的有限体积紧凑格式。该方案在有限体积框架下将加权的基本非振荡方案(WENO)与一类紧凑型方案结合在一起,其中非线性WENO权重与低阶紧凑型模板耦合。采用Zhang和Shu(J Comput Phys 229:3091-3120,2010,Proc R Soc A Math Phys Eng Sci 467:2752-2776,2011)中的最大原理令人满意的多项式重标限制器来构造每个方案的本方案Runge-Kutta方法的显着阶段,而不会破坏高阶精度和保守性。给出了包含不可压缩流动的一维和二维问题的数值示例,以评估所提出方法的良好性能,最大原则保持性,基本上无振荡和高分辨率。

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