根据非局部连续介质模型，提出了一维二阶剪切应变率梯度格式。
One dimensional shear strain rate gradient formation of the second order is proposed based on the non-local continuum model.
根据活断层资料，利用贝塞尔双三次样条模型对中国大陆及其邻区晚更新世以来的平均水平应变率场进行了计算。
Using active fault movement data, we calculated the average horizontal strain rate field of China Continent and vicinity since late Pleistocene with Bessel bicubic spline model.
该本构模型全面考虑了压力、应力第三不变量、变形的硬化和软化、应变率强化以及拉伸损伤等各个影响因素。
The main factors such as pressure, the third invariant of stress tensor, strain hardening and softening, stain rate and tensile damage have been taken into account in the constitutive model.
由该模型得到了利用纤维束冲击拉伸试验确定单丝应变率相关的统计本构方程中力学参量的原理和方法。
The method to determine the mechanical parameters in the constitutive equations of the rate-sensitive fiber by the tensile impact test of the fiber bundle are proposed from such models.
另外主要编制了飞机风挡材料采用的具有应变率效应的非线性粘弹性朱-王-唐本构模型，结果能很好地对朱-王-唐模型进行描述，特别是应变率对该模型的影响。
Nonlinear viscoelastic's ZWT constitutive model which used in aircraft windshield and has a strain rate dependence is written, and ZWT is described point-device, especially, effect in stain rate.
利用SHPB技术和自编的BP神经网络程序，以尼龙为代表性研究对象，对高聚物在高应变率下的本构模型进行了辨识。
Using SHPB technique and a BP neural network program, the constitutive model of polymers at high strain rates is identified.
据此，在标准线性固体模型的基础上，考虑损伤内变量的演化，建立了应变率相关的水泥砂浆的非线性黏弹性损伤模型。
Thus, a nonlinear viscoelastic constitutive relation for cement mortar based on standard linear solid model considering the evolution of the damage internal variable is established accordingly.
建立了应用于冲击和地震荷载下的应变率和应变历史相关的混凝土动态本构模型。
A rate and history dependent dynamic constitutive model for concrete under impact and seismic loading is established.
并建立了一种包含纤维增强效应和应变率增强效应在内的损伤本构模型。
Further more, a damage softening constitutive model is set up in which the effect of fiber reinforcing and strain-rate hardening are considered.
然后以应用实体单元焊点模型的算例作为基础模型，研究了材料应变率效应对前纵梁碰撞仿真结果的影响。
The two types of spot weld models using solid element and beam element were applied in the FE modeling of a frontal longitudinal beam in sled crash test.
模型中考虑了锚杆对岩石的锚固作用，其中混凝土采用H - J - C模型，并考虑了应变率效应。
The H-J-C model is adopted for concrete, and the strain rate effect was also given due to consideration.
同时，基于粘弹性应力分析模型得到管材蠕变的应变率逐渐减小，由于聚乙烯的屈服应力具有明显的率相关性，屈服应力也随之逐渐减小。
It is found that hoop stress increases due to reduction in wall thickness of HDPE pipe, while yielding stress decreases owing to decrease of strain rate.
该强度模型表明介质破坏是一个过程，反映了强度突变的应变率阈值效应与侧限压力下主破裂面上矿物颗粒团局部二次破坏的力学机制。
The model indicates that the failure of rock is a process in which there is a coupling between crack development and the slipping of cracked plane. The strain…
该强度模型表明介质破坏是一个过程，反映了强度突变的应变率阈值效应与侧限压力下主破裂面上矿物颗粒团局部二次破坏的力学机制。
The model indicates that the failure of rock is a process in which there is a coupling between crack development and the slipping of cracked plane. The strain…
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