A family of second-order dissipative finite volume schemes for hyperbolic systems of conservation laws

M. Badsi, C. Berthon, Ludovic Martaud
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引用次数: 1

Abstract

. We propose and study a family of formally second-order accurate schemes to approximate weak solutions of hyperbolic systems of conservation laws. Theses schemes are based on a dissipative property satisfied by the second-order discretization in space. They are proven to satisfy a global entropy inequality for a generic strictly convex entropy. These schemes do not involve limitation techniques. Numerical results are provided to illustrate their accuracy and stability.
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守恒双曲系统的二阶耗散有限体积格式族
. 我们提出并研究了一类近似守恒双曲型系统弱解的二阶精确格式。这些格式基于空间二阶离散所满足的耗散性质。证明了它们满足一般严格凸熵的全局熵不等式。这些方案不涉及限制技术。数值结果说明了该方法的准确性和稳定性。
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