Second-Order Invariant Domain Preserving ALE Approximation of Euler Equations

Second-Order Invariant Domain Preserving ALE Approximation of Euler Equations
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DOI:
10.1007/s42967-021-00165-y
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发表时间:
2021-12
影响因子:
1.6
通讯作者:
J. Guermond;B. Popov;L. Saavedra
J. Guermond;B. Popov;L. Saavedra
中科院分区:
数学4区
文献类型:
--
作者:
J. Guermond;B. Popov;L. Saavedra

文献摘要

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提出了一种求解非线性双曲型方程组的保持不变区域的任意拉格朗日-欧拉方法。数值格式在时间上是显式的,在空间上的近似是用连续有限元完成的。该方法是不变域保持的欧拉方程使用凸限制,并在各种基准测试。
An invariant domain preserving arbitrary Lagrangian-Eulerian method for solving non-linear hyperbolic systems is developed. The numerical scheme is explicit in time and the approximation in space is done with continuous finite elements. The method is made invariant domain preserving for the Euler equations using convex limiting and is tested on various benchmarks.