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基于单元相交的混合网格精确守恒插值方法

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Indexed by:期刊论文

Date of Publication:2016-05-25

Journal:爆炸与冲击

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:36

Issue:3

Page Number:305-312

ISSN No.:1001-1455

Key Words:流体力学;守恒插值;单元相交;混合网格;局部超网格

Abstract:基于网格切割思想,发展了二维/三维混合网格条件下的单元相交算法,可精确计算任意两个多边形/多面体的交集.在此基础上,实现了基于单元相交(CIB/DC)的精确守恒插值算法.二维和三维验证算例表明,该方法能够保证插值过程中计算域内物理量的严格守恒,且具有比常规二阶插值更高的精度.

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