在此本构模型基础上，利用隐式积分方法，推导出新的应力和背应力积分公式以及整体迭代所需的一致切线刚度矩阵。
Then we establish the constitutive model for simulating the non-massing behavior. Based on radial method and back Euler integration, new stress and back stress integration algorithm are proposed.
该模型给出了一个新的背应力演化方程，引入了非比例度参量，并且还考虑了最大塑性应变幅值记忆效应和温度效应的影响。
In this model, a new kinematic hardening equation was used; the non-proportionality, the effect of temperature and memorization for the maximum plastic strain amplitude were also considered.
同时，为降低桥头地基的荷载和基础应力，减少沉降并增加填料的密实度，台背回填采用液态粉煤灰填筑。
At the same time, liquid coal ash is used in backfilling of abutment, so as to reduce the load and basic stress, reduce settlement and increase the dense of fillings.
为了提高X射线应力分析的效率，提出了公用背底法对衍射线进行背底扣除。
The common background method dealing with the background of diffraction profile was presented to increase the efficiency of X-ray stress measurement.
术后观察小腿和足部痛觉，踝及足趾的跖背屈运动，足背动脉搏动并行膝侧方应力试验。
Postoperative algesia on the leg and foot, active flexion and extension of the malleolus, toe and phalanxes, and the lateral stress test of the knee were observed.
预应力背拉弹性薄壁墙因其施工方便、干扰小，近几年来应用较广泛。
Prestressed back-stayed elastic thin wall has been widely used in recent years due to its workability and less interference in construction.
PES背贴焊接缝合试验，得到了应力-应变曲线、背贴条宽度、焊接缝合强度系数；
The reasonable widths of backup strip are experimented with the strength factor of the welded seam for a particular kind of PVC/PES.
PES背贴焊接缝合试验，得到了应力-应变曲线、背贴条宽度、焊接缝合强度系数；
The reasonable widths of backup strip are experimented with the strength factor of the welded seam for a particular kind of PVC/PES.
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