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김홍건,양성모,노홍길,나석찬,유기현,조남익 한국공작기계학회 2003 한국생산제조학회지 Vol.12 No.2
A strategy of the optimal shape design with FEA (finite Element Analysis) for 2-D structures is proposed by comparing subproblem approximation method with first order approximation method. A cantilever beam with two different lading conditions, a concentrated load and an evenly distributed load, and truss structure with a concentrated loading condition are implemented to optimize the shape. It give a good design strategy on the optimal truss structure as well as the optimal cantilever beam shape. It is found that the convergence is quickly finished with the iteration number below ten. Optimized shapes of cantilever beam and truss structure are shown with stress contour plot by he results of the subproblem approximation method and the first order approximation method.