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단순화법을 이용한 소성 경화재료에서의 탄ㆍ소성 구조물의 유한요소해석
김병삼(Byeong-Sam Kim),박경우(Kyoungwoo Park),성기석(Kisuk Sung),유근열(Geunyeal YU) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.5
A simplified finite element analysis method is proposed to calculate elasto-plastic responses of general hardening materials. The method provides an effective tool to calculate structural elasto-plastic responses. Numerical examples have demonstrated that its computational efficiency is very much higher than that of the incremental elasto-plastic finite element analysis, and computational results are accurate enough to meet the need of engineering practice. Compared with the general elasto-plastic incremental finite element analysis, the proposed method can avoid the incremental iteration of nodal displacements and the constitutive equation integration at each Gauss integral point, and computational results are accurate enough to meet the need of engineering practice.