CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2005, Vol. 22 ›› Issue (5): 386-392.
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BAI Peng, CUI Er-jie, ZHOU Wei-jiang, LI Feng
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Abstract: A pseudo-compressibility method developed by Rogers is used to solve the incompressible Navier-Stokes equation. Numerical flux is scattered through 3rd order Roe scheme and the 2nd order Harten-Yee TVD scheme separately. In order to accelerate convergence, several implicit methods(ADI-LU, LGS, LU-SGS) are accepted. Efficiency of different methods are shown as a classical flowfield around a cylinder in low Re(Re=200). Roe scheme is used to simulate two low speed unsteady problems:Low Re flowfield around a rotational cylinder(ω=1) and flowfield around a pitching NACA0015 airfoil with identical pitching rate.
Key words: implicit scheme, low Re, pseudo-compressibility method, incompressible Navier-Stokes equations
CLC Number:
O357.1
V211.15
V211.3
BAI Peng, CUI Er-jie, ZHOU Wei-jiang, LI Feng. An Implicit Method for the Pseudo-Compressibility Incompressible Navier-Stokes Equation[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2005, 22(5): 386-392.
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http://www.cjcp.org.cn/EN/Y2005/V22/I5/386
