The formulas of the load and displacement of bellow are expanded in Fourier series along circumferential angel. The computation time can be decreased.

 
  • 将波纹管离散为锥壳单元,单元之间用节点圆相连结,载荷和位移沿环向展开成傅立叶级数,这样降低了计算维数,减少了计算工作量。
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