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THE BEHAVIOR OF SOME SOLUTION ACCELERATION TECHNIQUES IN CFD

 

作者: J. O. HAGER,   K. D. LEE,  

 

期刊: International Journal of Computational Fluid Dynamics  (Taylor Available online 1995)
卷期: Volume 4, issue 1-2  

页码: 137-151

 

ISSN:1061-8562

 

年代: 1995

 

DOI:10.1080/10618569508904522

 

出版商: Taylor & Francis Group

 

关键词: ADI;Convergence acceleration;GMRES;Multigrid;Runge-Kutta time integration;Upwinding

 

数据来源: Taylor

 

摘要:

Several solution acceleration techniques, used to obtain steady-state CFD solutions as quickly as possible, are applied to an upwind Euler scheme to evaluate their effectiveness. Generalized minimal residual (GMRES), multigrid (MG), and ADI are compared to a four-stage Runge-Kutta scheme using several grids. The use of different acceleration schemes combinations of produces a complementary effect: the convergence becomes relatively independent of both size and quality of the grid.

 

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