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首页> 外文期刊>Journal of Computational Physics >Construction of very high order residual distribution schemes for steady inviscid flow problems on hybrid unstructured meshes
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Construction of very high order residual distribution schemes for steady inviscid flow problems on hybrid unstructured meshes

机译:混合非结构网格上稳定无粘性流问题的超高阶残差分配方案的构造

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摘要

In this paper we consider the very high order approximation of solutions of the Euler equations. We present a systematic generalization of the residual distribution method of [1] to very high order of accuracy, by extending the preliminary work discussed in [2] to systems and hybrid meshes. We present extensive numerical validation for the third and fourth order cases with Lagrange finite elements. In particular, we demonstrate that we both have a non-oscillatory behavior, even for very strong shocks and complex flow patterns, and the expected accuracy on smooth problems.
机译:在本文中,我们考虑了Euler方程解的非常高阶近似。通过将[2]中讨论的初步工作扩展到系统和混合网格,我们对[1]的残差分布方法进行了系统的概括,以达到很高的精度。我们对带有Lagrange有限元的三阶和四阶情况进行了广泛的数值验证。尤其是,我们证明,即使对于非常强烈的冲击和复杂的流动模式,我们也都具有非振荡行为,并且对于平滑问题也具有预期的准确性。

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