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배경륜(Kyoung-ryun Bae),왕세명(Semyung Wang) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.5
A reliability-based topology optimization (RBTO) using the finite element method is presented. A 2-D finite<br/> element model is constructed for topology optimization. Young’s modulus is considered as uncertain variables. In order<br/> to compute reliability constraints, two methods . RIA, PMA . are used. To find the reliability index, the limit state<br/> function is linearly approximated at each iteration. This approximation method is called as the first order reliability<br/> method (FORM), which is widely used in reliability-based design optimization (RBDO). Numerical examples show the<br/> effectiveness of the proposed method.