Generally, the internal forces of shells are analysed by the plate elements, but because of the slope discontinuity of internal boundaries, it always influences the accuracy of the solution.
一般常用薄板单元分析薄壳内力,但由于内部边界联接斜率的不连续性而影响到求解精度。
2
Stress raiser. A small flaw (internal or surface) or a structural discontinuity at which an applied tensile stress will be amplified and from which cracks may propagate.