主应变是力学中描述应变的一个概念，指与主应力σ1、σ2、σ3相对应的线应变ε1、ε2、ε3。
主应变的大小和方向可以表示为一个椭球体。
The magnitudes and directions of the main strain are expressed as an ellipsoid.
接着对缺陷区域进行主应变测量和安全成形裕度预测。
Then the principal strain measurement and forming safety margin prediction in defect regions are conducted.
本文介绍了一种确定平面应变中最大主应变方向的新方法。
This paper introduces a new way for defining the maximum principal strain direction in plane strain condition.
应用推荐