IMECH-IR  > 高温气体动力学国家重点实验室
非线性优化的保单调差分格式
李新亮; 冷岩
Source Publication高温气体动力学研究进展
2012
Pages139-143
Conference NameLHD2012夏季学术研讨会
Conference Date2012
Conference Place吉林延吉
Abstract采用保单调思想,结合非线性优化,构造了六阶精度的保单调差分格式(OMP6). 格式构造过程中采用非线性Forier 分析对格式的色散及耗散误差进行了优化。通过Shu-Osher,双Mach 反射以及RT不稳定性等算例对该格式进行了验证。算例表明,与常用的WENO 等格式相比,该格式(OMP6)具有格式简洁、计算量小、分辨率高等优点。
Keyword保单调 优化 差分格式
DepartmentLHD可压缩湍流
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47990
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
李新亮,冷岩. 非线性优化的保单调差分格式[C]高温气体动力学研究进展,2012:139-143.
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