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[論文] 주퇴충격하중을 받는 궤도차량 구조물의 천이응력해석<br/> [論文] 주퇴층격하중을 받는 궤도차량 구조물의 천이응력해석
이영신(Y. S. Lee),김용환(Y. H. Kim),이기두(K. D. Lee),김영완(Y. W. Kim),안충호(C. H. Ahn),김동수(D. S. Kim),성낙훈(N. H. Sung) 한국자동차공학회 1993 오토저널 Vol.15 No.3
In this study, the transient impact structural stress analysis of tracked vehicle structures under recoil impact load is investigated. ANSYS, ABAQUS Code are used for modelling and analytical procedures. The highest maximum Tresca stress occurs on race ring portion and its stress level is (σ_T)_max=20~40kgf/㎟. The second highest stress occurs on upper plate of chassis and down plate of turret. The maximum stress level increases with loading direction and elevation angle. The results from linear static load analysis are very much different with impact analysis. Therefore, the practical solutions of structures under impact load can be obtained by only nonlinear transient impact analysis. The impact stress analysis of the steel vehicle structures is conducted. The maximum stress level is less than (σ_T)_max=20~40kgf/㎟. So, the design concept of steel structures can be adapted for new alternatives.