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分析了焊接件的疲劳特性 ,介绍了疲劳特性的计算方法 ,着重探讨了几何应力方法。介绍了几种典型模型的网格单元选择原则及模型建立方法 ,并相应地介绍了几种焊接件结构热应力的计算方法及其适用场合
The fatigue characteristics of welded parts are analyzed. The calculation method of fatigue characteristics is introduced, and the geometric stress method is discussed emphatically. This paper introduces the principles of mesh unit selection and the method of model establishment of several typical models, and introduces the calculation methods of several kinds of structure thermal stresses and their applications