Time-implicit gas-kinetic scheme

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• 作者：Shuang Tan ; Qibing Li ; ^{lqb@tsinghua.edu.cn}
• 关键词：GKS ; GMRES ; Time-implicit scheme ; High-speed flows ; Computational efficiency
• 刊名：Computers & Fluids
• 出版年：2017
• 出版时间：2 February 2017
• 年：2017
• 卷：144
• 期：Complete
• 页码：44-59
• 全文大小：5630 K
• 卷排序：144

文摘

Time implicit GKS is developed with numerical Jacobian matrix and GMRES scheme. KFVS is chosen as the preconditioner instead of FVS. A modified GKS flux is proposed to improve the dispersion of C-N scheme. The high efficiency of GMRES-GKS is validated compared with LU-SGS-GKS.