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CFDS 코드의 효율성 개선 : Efficiency Enhancement of CFDS Code
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- Authors
- Issue Date
- 2005-04
- Publisher
- 한국전산유체공학회
- Citation
- 춘계 한국전산유체공학회, pp. 120-124
- Keywords
- 공학 ; CFDS 코드 ; 병렬처리 ; 정보교환 기법 ; Massage Passing Technique
- Abstract
- The numerical analyses of the complicated flows are widely attempted in these days. Because of the enormous demanding memory and calculation time, parallel processing is used for these problems. In order to obtain calculation efficiency, it is important to choose proper domain
decomposition technique and numerical algorithm. In this research we enhanced the efficiency of the CFDS code developed by ADD, using parallel computation and newly developed numerical algorithms. For the huge amount of data transfer between blocks non-blocking method is used, and newly developed data transfer algorithm is used for non-aligned block interface. Recently developed RoeM scheme is adpoted as a spatial difference method, and AF-ADI and LU-SGS methods are used as a time integration method to enhance the convergence of the code. Analyses of the flows around the ONERA M6 wing and the high angle of attack missile configuration are performed to
show the efficiency improvement.
- Language
- Korean
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