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七方程可压缩多相流模型的HLLC格式及应用
梁姗; 刘伟; 袁礼
2012
Source Publication力学学报
ISSN0459-1879
Volume044Issue:005Pages:884
Abstract针对Saurel和Abgrall提出的两速度两压力的七方程可压缩多相流模型,改进了其数值解法并应用于模拟可压缩多介质流动问题.在Saurel等的算子分裂法基础上,根据Abgrall的多相流系统应满足速度和压力的均匀性不随时间改变的思想,推导了与HLLC格式一致的非守恒项离散格式以及体积分数发展方程的迎风格式.进一步,通过改变分裂步顺序,构造了稳健的结合算子分裂的三阶TVD龙格一库塔方法.最后通过几个一维和二维高密度比高压力比气液两相流算例,显示了该方法在计算精度和稳健性上的改进效果.
Language英语
Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/45291
Collection计算数学与科学工程计算研究所
Affiliation中国科学院数学与系统科学研究院
Recommended Citation
GB/T 7714
梁姗,刘伟,袁礼. 七方程可压缩多相流模型的HLLC格式及应用[J]. 力学学报,2012,044(005):884.
APA 梁姗,刘伟,&袁礼.(2012).七方程可压缩多相流模型的HLLC格式及应用.力学学报,044(005),884.
MLA 梁姗,et al."七方程可压缩多相流模型的HLLC格式及应用".力学学报 044.005(2012):884.
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