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항공기 형상 최적설계를 위한 표면 패널 격자 자동 생성 프로그램 개발
김경남(G.N. Gim),남화진(H.J. Nam),이성진(S.J. Lee),김병수(B.S. Kim) 한국전산유체공학회 2014 한국전산유체공학회 학술대회논문집 Vol.2014 No.11
This paper describes study results on the development of an automatic program for generating surface-panel grid for the aircraft optimal design. The aerodynamic analysis is combined into a PIDO tool in conjunction with a number of programs in order to integrate processes for the optimal design. Due to design optimization’s iterative feature, it may require lots of time and cost. To relieve this problem, cost-reduction of computation time for aerodynamic analysis is pursued by using the Panel-method, and reduction of grid generation time by automating surface panelling.
항공기 개념설계를 위한 공력 해석용 자동 표면 패널 격자 생성 프로그램 개발
김경남(G. N. Gim),남화진(H. J. Nam),김병수(B. S. Kim) 한국전산유체공학회 2014 한국전산유체공학회 학술대회논문집 Vol.2014 No.5
This paper describes the current status of our research on the development of a program that allows users to easily generate surface panels for fast aerodynamic analysis which can be used in the conceptual design phase of aircraft development. It takes advantage of the CATIA program for defining the shape of the aircraft, and the shape modeling module has been developed to produce aircraft model in the STL format files, and the paneling module produces a grid of the surface panels along the STL surface data. The resultant panel data are plugged into a commercial analysis code(e.g. USAERO program) for the fast and iterative flow calculation. The current approach can reduce the cost in terms of time and labor required in the earlier stage of aircraft development.
항공기 형상 최적설계 프로세스를 위한 표면 격자 자동 생성 프로그램의 개발
김경남(G.N. Gim),김병수(B.S. Kim) 한국전산유체공학회 2015 한국전산유체공학회지 Vol.20 No.3
This paper describes study results on the development of an automatic program for generating surface-panel grid for the aircraft optimal design. The aerodynamic analysis is combined into a PIDO tool in conjunction with a number of programs in order to integrate processes for the optimal design. Due to design optimization’s iterative feature, it may require lots of time and cost. To relieve this problem, cost-reduction of computation time for aerodynamic analysis is pursued by using the Panel-method, and reduction of grid generation time by automating surface panelling.