According to the principle of the minimum potential energy the deformation of single tension pile and pile groups was analyzed using a modified variational approach.
根据最小势能原理，使用修正变分法来分析抗拔单桩和抗拔群桩的变形。
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。
The applications of the simulated potential energy principles for deformation theory and flow theory are given.
给出了变形理论和流动理论模拟势能原理的应用。
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