Starting from the energy principle and regarding the minimum strain energy as control condition, we get the best position design of the hanging point.
2
较之仅着眼于纹尖场某一点的最小应变能密度因子理论，新判据更多地顾及到了尖端场的全局。
The new criterion includes the integral features of the whole field, while the theory of minimum strain-energy-density factor considers only a single point in the crack tip field.
3
作者工作的意义在于揭示了在适当的几何约束下，自组装形成的花样是总应变能最小的结果。
The significance of our work lies in the revelation that, under proper geometrical constraint, the various patterns can develop through minimization of the strain energy.
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