| 1. | The strain energy density function equals the helmholtz .
应变能密度函数等于亥姆霍兹函数。 |
| 2. | A fracture criterion based on the deviator strain energy density factor
形状改变比能密度因子断裂准则 |
| 3. | Strain energy density
应变能密度 |
| 4. | Failure criterion of strain energy density and catastrophe theory analysis of rock subjected to static - dynamic coupling loading
动静组合加载下岩石破坏的应变能密度准则及突变理论分析 |
| 5. | Systematic study is done for the strain energy density factor criterion , distortional strain energy density factor criterion , dilatational strain energy density factor criterion , circumferential tensile stress criterion , energy release rate criterion and twin shear stress criterion
对应变能密度因子准则、形状改变能密度因子准则、体积改变能密度因子准则、能量释放率准则以及最大周向拉应力准则和双剪应力准则进行了系统地研究。 |
| 6. | A reasonable criterion to control error of element was studied . base upon this criterion , an indicator to drive the mobile node of bce was presented . in order to improve the efficiency , an implementing scheme ( according to the distribution of strain energy density ) was suggested when to consider the fact that the high gradient usually appears only in a very local region , especially in the case of huge amount of computation
3 .在误差控制方面，提出了bezier移动节点单元法中节点移动的收敛判据，研究了节点移动的导向原理；在mathematica和fortran环境下实现了完整的计算编程；在处理高梯度问题的实际应用中，提出了高应变能密度区的局部化处理的求解方案。 |
| 7. | According to the strain energy density factor criterion under mixed - mode of i and ii , the distortional strain energy density factor criterion and dilatational strain energy density factor criterion are given . the twin shear stress criterion is applied to the v - notch problem under mixed - mode of i and ii
基于-复合型v型切口的应变能密度因子准则，提出了形状改变能密度因子准则和体积改变能密度因子准则，将双剪应力准则有效地应用到-复合型v型切口问题。 |
