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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2006.6
- 수록면
- 19 - 24 (6page)
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초록· 키워드
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A research to evaluate the efficiency of design optimization was carried out for aerodynamic design optimization problem in distributed computing environment. The aerodynamic analyses which take most oj computational work during design optimization were divided into several jobs and allocated to associated PC clients through network. This is not a parallel process based on domain decomposition in a single analysis rather than a simultaneous distributed-analyses using network-distributed computers.
GBOM(gradient-based optimization method), SAO(Sequential Approximate Optimization) and RSM(Response Surface Method) were implemented to perform design optimization of transonic airfoils and evaluate their efficiencies. One dimensional minimization followed by direction search involved in the GBOM was found an obstacle against improving efficiency of the design process in the present distributed computing system. The SAO was found fairly suitable for the distributed computing environment even it has a handicap of local search. The RSM is apparently the most efficient algorithm in the present distributed computing environment, but additional trial and error works needed to enhance the reliability of the approximation model deteriorate its efficiency from the practical point of view.
GBOM(gradient-based optimization method), SAO(Sequential Approximate Optimization) and RSM(Response Surface Method) were implemented to perform design optimization of transonic airfoils and evaluate their efficiencies. One dimensional minimization followed by direction search involved in the GBOM was found an obstacle against improving efficiency of the design process in the present distributed computing system. The SAO was found fairly suitable for the distributed computing environment even it has a handicap of local search. The RSM is apparently the most efficient algorithm in the present distributed computing environment, but additional trial and error works needed to enhance the reliability of the approximation model deteriorate its efficiency from the practical point of view.
목차
1. 서론
2. 설계최적화 정식화
3. 분산컴퓨팅 환경에서의 설계최적화
4. 설계결과 및 최적화 효율성
5. 결론
후기
참고문헌
참고문헌 (12)
참고문헌 신청
[학술지(정기간행물)] - / 1997 / Multi- disciplinary Aerospace Design Optimization 14 (1) : 1 ~ 23
[학술지(정기간행물)] - / 1976 / Numerical Airfoil Optimization Using a Reduced Number of Design Coordinates
[학술지(정기간행물)] - / 1993 / Design Optimization of Transonic Airfoils 21 (1) : 1 ~ 20
[학술지(정기간행물)] - / 1994 / Three-dimensional Aerodynamic Shape Optimization of Wing Using Sensitivity Analysis
[학술지(정기간행물)] - / 2004 / Distributed Multidisciplinary Design and Collaborative Optimization
[학술지(정기간행물)] - / 1976 / Numerical Airfoil Optimization Using a Reduced Number of Design Coordinates
[학술지(정기간행물)] - / 1993 / Design Optimization of Transonic Airfoils 21 (1) : 1 ~ 20
[학술지(정기간행물)] - / 1994 / Three-dimensional Aerodynamic Shape Optimization of Wing Using Sensitivity Analysis
[학술지(정기간행물)] - / 2004 / Distributed Multidisciplinary Design and Collaborative Optimization
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