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自适应Cartesian网格结合无网格边界处理的Navier-Stokes 方程数值模拟
李现今; 郑洪伟; 杨国伟; 陈春刚
Source Publication高温气体动力学研究进展
2011
Pages162-170
Conference NameLHD2011夏季学术研讨会
Conference Date2011
Conference Place内蒙赤峰
Abstract本文发展了基于四叉树数据结构的网格生成和流动的N-S 方程数值求解器。采用压力梯度或者密度梯度的绝对值作为网格自适应的控制参量,同时采用基于最小二乘法的无网格方法处理对于一般Cartesian 网格难于处理的物体表面边界条件。文中采取了绕圆柱流动和绕方柱流动的经典算例对所发展的方法进行了验证。计算的结果表明所发展的方法在处理复杂流动时是合理的,有效的。
Keyword自适应 Cartesian 网格 无网格边界处理 数值模拟
DepartmentLMFS流固耦合与数值计算(LHO)
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47933
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
李现今,郑洪伟,杨国伟,等. 自适应Cartesian网格结合无网格边界处理的Navier-Stokes 方程数值模拟[C]高温气体动力学研究进展,2011:162-170.
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