一种非线性强度准则及转换应力法 1)
万征*†2)(
),宋琛琛**,孟达*†
),宋琛琛**,孟达*†
A NONLINEAR STRENGTH CRITERION AND TRANSFORMATION STRESS METHOD 1)
Wan Zheng*†2)(),Song Chenchen**,Meng Da*†
),Song Chenchen**,Meng Da*†
图1. 幂函数曲线与莫尔圆相外切图由图可见,曲线与摩尔圆切点斜率始终处于过原点的斜直线与过摩尔圆顶点的水平直线之间,也就是斜率始终处于0与${R}/{\sqrt {\sigma _0^2-R^2} }$之间.
Fig. 1. Power function curve and Mohr circle phase tangent diagram
