摘要
使用流热一体化算法解决传统耦合算法难于处理的流场与固体温度场耦合计算问题.为保证其计算效率,提出一个简单有效的方法用以克服两方程湍流模型刚性.给出该方法的理论证明,并验证其配合多重网格提高LUSGS隐式时间推进法的计算效率.
A integrated method solving fluid and solid simultaneously is used to deal with complicated flow and solid temperature field coupling problems.A simple but effective approach is proposed to overcome stiffness in two-equation turbulence models.Related theory is provided.With this method,efficiency in multigrids and LUSGS implicit temporal stepping method is increased remarkably.
出处
《计算物理》
EI
CSCD
北大核心
2009年第5期685-692,共8页
Chinese Journal of Computational Physics
关键词
流热耦合
刚性
两方程模型
多重网格
flow heat transfer coupled
stiffness
two-equation turbulence models
multigrid
