The first-order derivative equal to zero of total potential energy with respect to the relative shear deformation of shear band leads to the equilibrium condition of elastic rock.
将系统的总势能对相对剪切变形求一阶导数（等于零），得到了弹性岩石的平衡条件。
A method of energy difference between elastic deformation and elastic-recovery deformation is developed to determine the residual deformation energy.
本文提出用弹性变形能与弹复变形能的差值来确定残留变形能的方法。
Based on the concept of elastic deformation energy, a new springback evaluation criterion is presented in this paper.
本文从弹性变形能概念出发，提出一种新的回弹评价指标。
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