摘要
采用贴体坐标变换方法将直角坐标系中不规则的流动区域变换成规则的计算区域．对求解原始变量（ｕｋ，ｐ）的ＳＩＭＰＬＥＲ方法进行了改进，应用有限分析法给出了由正常网格求解原始变量的选代方法．然后计算了台阶绕流和任意凸体绕流的流速、压力场．计算结果表明该方法简单有效，压力、速度收敛效果好，计算精度较高．可以用于计算各种流动区域的流场．
The curvilinear body-fitted coordinate system is adopted to transform an irregular flowing domain in Cartesian coordinate system into a regular computational domain. A new iteration method is given to solve the primary variables by using finite analytic method in regular grid. The computational result for backward-facing step flow is in good agreement with theexperimental data. It shows that the method is simple and efficient and the calculated pressure field and velocity are of high accuracy. This method can calculate the velocity and pressure fields in other irregular domains.
出处
《武汉水利电力大学学报》
EI
CSCD
1995年第5期561-565,共5页
Engineering Journal of Wuhan University
关键词
层流
流场
壁面凸体
数值计算
laminar flow
coordinate transformations
finite analytical methods
