configuration 里的应力增强系数怎么理解? configuration 里的应力增强系数默认是1,但按F1看了好像应该是0.75,这个设置对哪个计算结果有影响。 B31.3 Sustained SIF Multiplier B31.3 Code Interpretation 1-34 dated February 23, 1981 File: 1470-1 states that for sustained and occasional loads an SIF of 0.75i, but not less than 1.0 may be used. This setup directive allows the user to enter their coefficient. The default is 1.0. To comply with this interpretation the user would enter 0.75. B31.3 Code Interpretation 6-03 dated December 14, 1987 permitted users to ignore the stress intensification for sustained and occasional loads. To comply with this interpretation, the user would enter 0.0.查看更多0个回答 . 2人已关注