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Puck 이론 기반 Type 4 비정형 수소압력용기의 점진적 파손해석
전병욱(Byung-Wook Jeon),현영빈(Young-Bin Hyun),최찬웅(Choi-Woong Choi),강기원(Ki-Weon Kang) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
In this paper, Analysis of Progressive Failure of Type 4 Atypical Conformal Hydrogen Storage Vessel based on the Puck Theory was performed. To this end, first, finite element modeling was performed on a 70 MPa atypical conformal hydrogen pressure vessel having a Type 4 shape, and stacking design was performed using ABAQUS to consider the stacking method. In addition, a boundary condition was applied to the part where the boss was joined, and a load was applied until the atypical hydrogen pressure vessel ruptured. Through this, structural safety evaluation was performed, and the location of the initial failure was derived based on the failure criterion Puck theory. In addition, the failure tendency was analyzed by performing a gradual failure analysis in which the damage increases afterwards.