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基于通量重构的激波捕捉格式及其在爆轰波模拟中的应用
Alternative Title中国科学院力学研究所高温气体动力学国家重点实验室;Department of Energy Sciences;Tokyo Institute of Technology;
张薇; 滕宏辉; Feng Xiao; 姜宗林
Source Publication第八届全国流体力学学术会议论文摘要集
2014
Conference Name第八届全国流体力学学术会议
Conference Date2014-09-18
Conference Place中国甘肃兰州
Abstract爆轰波的模拟不仅涉及到强激波的捕捉,而且要实现激波和燃烧放热反应的耦合求解,对数值模拟方法提出了很高的要求。基于通量重构(flux reconstruction)的思想,提出了抑制间断附近振荡产生的多矩限制(multi-momentconstrained)条件,并利用该条件构造了高阶激波捕捉格式。研究发现该格式能够与TVB或WENO限制器联合使用,但是前者会将精度从三阶将为两阶,而后者会将精度从三阶提升为四阶。基于多矩限制条件和WENO限制器,构造了对流项-化学反应源项联合求解的四阶方法,并将其用于爆轰波简化模型Ficketts model的求解。模拟结果显示该方法相对与传统的低阶格式联合分步...
Keyword通量重构 源项 爆轰波 Weno
DepartmentLHD激波与爆轰物理
Funding Organization国家自然科学资金项目(11372333)资助
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/52078
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
张薇,滕宏辉,Feng Xiao,等. 基于通量重构的激波捕捉格式及其在爆轰波模拟中的应用[C]第八届全国流体力学学术会议论文摘要集,2014.
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