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경량/고강도 시트시스템 구축을 위한 전방충돌 해석의 적용
천병관(B.K.Chun),최재환(J.H.Choi),박관흠(K.H.Park) 한국자동차공학회 1996 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1996 No.11_1
The seat system of a car must have the proper strength to ensure the safety of the occupant. Thus, the proper strength of a seat system should be determinated by using dynamic load which is applied at seat structure in cases of various impact conditions. During a front impact, seat system undergoes 2 type loads: One is pelvis pressure which causes submarining. the other is dynamic belt force at seat belt anchorage. In this paper, pelvis pressure and dynamic belt force are calculated by MADY1'vIO at 30mph Front Impact condition. The structural perfomances are analized by ABAQUS and then the design of Cushion support bracket is modified. Comparison with test results shows the validity of this application.
단순 모델을 이용한 SIDE DOOR INTRUSION 해석 기술 개발
천병관(B.K.Chun),강성종(S.J.Kang) 한국자동차공학회 1994 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This paper describes a computational technique to predict side door strength using simple concept F.E model in early design stage of vehicle development This technique is based on engineering D/B of the nonlinear behavior hinge and locker, calculated by detailed F.E model. Results from prediction of Door Intrusion strength are correlated well test results.<br/>
경량/고강도 시트시스템 구축을 위한 후방충돌 해석기술 개발
천병관(B.K.Chun),최재환(J.H.Choi),박관흠(K.H.Park) 한국자동차공학회 1996 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1996 No.6_2
The Design of a car seat structure requires the weight and strength optimization. For the design optimization, the strength of a seat structure should be evaluated to ensure the safety of the occupant in cases of various impact conditions. This paper describes the backward bending strength prediction technique for a car front seat in order to simulate the rear impact<br/> situation. After investigating the performance of ominant components which affect the backward bending strength of a seat and then their characteristics were assumed to be numerical constraints in analysis model. Static back-moment and rear impact loading were applied to the model and analized by ABAQUS. Comparison with test results shows the validity of this<br/> technique.<br/>