Publisher : The Korean Society for Aeronautical & Space Sciences
DOI : 10.5139/IJASS.2003.4.1.034
Title & Authors
Virtual Flutter Plight Test of a Full Configuration Aircraft with Pylon/External Stores Kim, Dong-Hyun; Kwon, Hyuk-Jun; Lee, In; Paek, Seung-Kil;
An advanced aeroelastic analysis using a computational structural dynamics (CSD), finite element method (FEM) and computational fluid dynamics (CFD) is presented in this Paper. A general aeroelastic analysis system is originally developed and applied to realistic design problems in the transonic flow region, where strong shock wave interactions exist. The present computational approach is based on the modal-based coupled nonlinear analysis with the matched-point concept and adopts the high-speed parallel processing technique on the low-cost network based PC-clustered machines. It can give very accurate and useful engineering data on the structural dynamic design of advanced flight vehicles. For the nonlinear unsteady aerodynamics in high transonic flow region, Euler equations using the unstructured grid system have been applied to easily consider complex configurations. It is typically shown that the advanced numerical approach can give very realistic and practical results for design engineers and safe flight tests. One can find that the present study conducts a virtual flutter flight test which are usually very dangerous in reality.
플랩이 있는 무인기 전운동 카나드의 동적공탄성 특성,김동현;구교남;이인;김성준;김성찬;이정진;최익현;
한국항공우주학회지, 2004. vol.32. 6, pp.56-63
거대 구조물의 유체-구조 연계 해석을 위한 효과적인 보간기법에 대한 연구,이기두;이영신;김동수;이대열;
한국항공우주학회지, 2009. vol.37. 5, pp.433-441
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