一、前言贴边岔管是组合的薄壳结构,用有限元混合法进行计算,可以得到较好的结果。以往,由于计算一个岔管在网格划分和坐标值的计算方面要花很多时间,所以主要侧重于最大主应力的部位、大小的讨论,而对整个岔管应力分布的全貌、贴边补强板的作用、尺寸确定等问题,就很难提供充分的说明。为了能清楚地认识这些问题,我们编制了自动形成网格和坐标 I. Preface The side bifurcated pipe is a combination of thin shell structure, calculated by the finite element method, you can get better results. In the past, since calculation of a bifurcation pipe took a lot of time to calculate the meshing and coordinate values, it mainly focused on the location and size of the maximum principal stress. For the whole profile of the bifurcation stress distribution, Board the role of size and other issues, it is difficult to provide sufficient instructions. In order to clearly understand these issues, we have prepared the automatic formation of grids and coordinates