Abstract

This paper presents an optimization method for the optimal configuration design of shell structures. It is assumed that the shell is varied in the normal direction to the surface and the thickness is constant. The compliance minimization problem is formulated as a non-parametric shape optimization problem. The shape gradient function is theoretically derived considering the variation of the distributed loads on the shell surface. The Robin type traction method is used to determine the optimal smooth shell surface while minimizing the objective functional. The calculated results show the effectiveness of the proposed method for the optimal configuration design of shell structures.

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