major axes of stress ellipse 应力椭圆的长径
stress ellipse a 应力椭圆
biaxial stress ellipse 双向应力椭圆
ellipse of stress [力] 应力椭圆
biaxial stress ellipse a 双向应力椭圆
biaxial stress ellipse theory 双向应力椭圆理论
stress s ellipse 应力椭圆
The Bilateral Stress Elliptic(ellipse of plasticity) Theory is widely used in casing strength designing, as an approximate alternative to the four th strength theory.
作为第四强度理论的近似计算，目前在套管柱强度设计中广泛应用双向应力椭圆理论。
Based on this kind of crack element, and by introducing parametric equation of ellipse, a new method for estimating stress intensity factor is proposed.
基于这种裂纹单元，作者引入椭圆参数方程，推出一种计算裂纹前缘点应力强度因子的新方法。
It is reasonable takes shape the unfinished piping to the flat ellipse for reduce the remaining stress peak value and ellipticity.
从控制成型残余应力峰值和合缝预焊后管口椭圆度的角度出发综合考虑，将管坯成型为扁椭圆较为合理。
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