Vector Image Polygon (VIP) limiters in ALE Hydrodynamics

Vector Image Polygon (VIP) limiters in ALE Hydrodynamics
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ALE 流体动力学中的矢量图像多边形 (VIP) 限制器

DOI:
10.1051/epjconf/20101000020
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发表时间:
2010
期刊:
J. Comput. Phys.
影响因子:
--
通讯作者:
J. Falcovitz
J. Falcovitz
中科院分区:
--
文献类型:
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作者:
G. Luttwak;J. Falcovitz

文献摘要

被引文献

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最近((1,2))我们构造了一个新的向量标架不变单调性判据和斜率限制器,并将其应用于SMG/Q格式的拉格朗日相。这种矢量图像多边形/多面体(VIP)限制器在一组测试问题中被证明可以提高对称性。在这项研究中,我们实现VIP限制器的动量平流阶段的(任意拉格朗日欧拉)ALE流体动力学的Eulerian/Q计划。二维圆柱Noh问题作为一个测试案例,以证明VIP限制器的对称性保持的效果。
Recently ((1, 2)) we have formulated a new frame invariant monotonicity cri- terion and slope limiter for vectors and applied it to the Lagrangian phase of the SMG/Q scheme. This Vector Image Polygon/Polyhedron (VIP) limiter was shown to improve sym- metry preservation in a set of test problems. In this study we implement the VIP limiter also to the momentum advection phase of the SMQ/Q scheme for (Arbitrary Lagrangian Eulerian) ALE hydrodynamics. The 2D cylindrical Noh problem serves as a test case to demonstrate the effect of the VIP limiter on symmetry preservation.