CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2007, Vol. 24 ›› Issue (6): 698-704.
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ZHANG Yifeng, DENG Xiaogang, MAO Meiliang, CHEN Jianqiang
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Abstract: With a high-order weighted compact nonlinear scheme(WCNS) for space discretization,several different implicit methods,including LU-SGS,Gauss-Seidel point-relaxation,line-relaxation and GMRES(generalized minimal residual),are compared in the simulation of hypersonic viscous flows.Both point and line relaxations with analytical Jacobian matrix converge faster than those of LU-SGS.GMRES obtains a faster convergence rate combined with line relaxation.
Key words: high-order scheme, point relaxation, line relaxation, Generalized Minimal Residual algorithm, convergence rate
CLC Number:
V211.3
ZHANG Yifeng, DENG Xiaogang, MAO Meiliang, CHEN Jianqiang. Convergence Acceleration of High-order Weighted Compact Nonlinear Scheme (WCNS) for Compressible Flows[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2007, 24(6): 698-704.
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http://www.cjcp.org.cn/EN/Y2007/V24/I6/698
