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1)  criterion of generalized stress (strain) rate
广义应力(应变)率准则
2)  criterion of averaged generalized stress rate
广义平均应力率准则
1.
In addition, the criterion of averaged generalized stress rate was proposed .
分析中 ,采用了广义平均应力率准则来判断冲击点位置和冲击时刻 ,所得结论与实际情况吻
3)  the stress rate criterion
应力变化率准则
1.
Based on the catastrophic characters of the whole strain energy in truss structural instability,the relationship between the whole strain energy and the stress rate in the link element was educed,and the stress rate criterion for judging the instability of truss structures was built up through analyzing the changing law of stress rate.
基于杆系结构发生动力失稳时的总应变能突变特征,推导总应变能同杆单元应力变化率之间的关系,并分析应力变化率的变化规律,建立了判定系结构动力失稳的应力变化率准则。
4)  limit criteria of generalized square principal stress
广义平方主剪应力准则
1.
As an example, two limit criteria of generalized square principal stress are proposed.
作为一个例子,以平方主剪应力屈服准则为基础,构造了广义平方主剪应力准则方程组,理论结果与一些岩土类材料的实验数据相吻合。
5)  generalized twin shear stress yield criterion
广义双剪应力屈服准则
1.
Considering the effect of hydrostatic pressure and intermediate principal stress,the generalized twin shear stress yield criterion,and the associated normal flow rule are used in the plastic stage.
该模型在海冰屈服前采用 Kelvin-Vogit 粘弹性模型,考虑中间主应力和静水压力对海冰屈服的影响,选用广义双剪应力屈服准则作为海冰的屈服判据,屈服后采用相关联的正则流动法则。
6)  generalized polyaxial strain energy(GPSE) strength criterion
广义多轴应变能强度准则
补充资料:动态应力-应变曲线
分子式:
CAS号:

性质: 在具有强迫正弦振荡的动态试验中,让黏弹性体作稳定振动,以力对变形作图,在十个周期中的轨迹为一封闭曲线,称之为动态应力-应变曲线。动态试验的结果取决于试验条件:试样形状、形变方式、应变振幅、应变历程、频率和温度。从动态应力-应变曲线可以求得黏弹性体的许多动态力学性能,如从封闭曲线面积可以求得在一个周期内材料内部的发热量。

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