2022 Volume 87 Issue 793 Pages 285-294
This paper presents an optimization method of the joint arrangement for shell structures composed of CLT panels. The joining system is modeled as link elements with multidirectional stiffness. Their stiffnesses are calculated by multiplying the weight parameters defined as the design variables to the original stiffnesses. Furthermore, the joint arrangement is controlled by multiplying a power-law function to design variables. An optimization problem is formulated to minimize the strain energy. The effectiveness of the proposed method is shown through numerical examples. It is confirmed that the joint arrangement in each direction is optimized corresponding to the stress state.
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