In the previous works only the uniform wall-thickness elbows were studied.However, the elbow thickness is varied with the bending radius and ellipticity on the cross section.

 
  • 以往对弯头的研究只考虑壁厚均匀不变的情况,但是实际上弯头的壁厚是沿着弯曲半径变化的,并且弯头的截面也具有一定的椭圆度。
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