• 根据局部连续介质模型提出剪切梯度格式

    One dimensional shear strain rate gradient formation of the second order is proposed based on the non-local continuum model.

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  • 模型得到了利用纤维冲击拉伸试验确定单丝变率相关统计方程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.

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  • 根据研究重点不同可以采用正态模型模型模拟漂浮物堆积形态

    According to various research objects, normal models or abnormal models with small variability could be. employed to simulate the accumulation patterns of floating debris.

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  • 最后讨论基因变率相互关系模型性状分析中的应用问题。

    Lastly, the relationship between gene mutation rate and mutation probability and the application of the model in the analysis of multiple characters are discussed.

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  • 根据断层资料利用贝塞尔双三次样条模型中国大陆及其邻区更新世以来平均水平进行了计算。

    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.

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  • 本文结合模型试验,得出了不同温升变率下表面横向浮射流瞬时浓度流速场,进而分析得出随着温度变率化浓度场的扩散范围形态特点和趋势。

    Based on the model test, the instantaneous concentration and velocity images in different temperatures and scales are put forwarded. And the range, shape and trend of diffusion are acquired.

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  • 模型全面考虑了压力应力第三硬化软化强化以及拉伸损伤各个影响因素。

    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.

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  • 然后以应用实体单元焊点模型作为基础模型,研究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.

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  • 据此标准线性固体模型基础考虑损伤演化建立了变率相关的水泥砂浆非线性弹性损伤模型

    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.

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  • 建立了应用于冲击地震荷载和应历史相关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.

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  • 另外主要编制了飞机风挡材料采用具有效应非线性粘弹性-王-唐本模型,结果能好地对朱-王-唐模型进行描述特别是模型的影响。

    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.

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  • 利用SHPB技术自编的BP神经网络程序,以尼龙为代表性研究对象,高聚物模型进行了辨识。

    Using SHPB technique and a BP neural network program, the constitutive model of polymers at high strain rates is identified.

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  • 建立一种包含纤维增强效应增强效应在内损伤模型

    Further more, a damage softening constitutive model is set up in which the effect of fiber reinforcing and strain-rate hardening are considered.

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  • 模型考虑锚杆对岩石的锚固作用,其中混凝土采用H - J - C模型考虑了效应

    The H-J-C model is adopted for concrete, and the strain rate effect was also given due to consideration.

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  • 小型平板测量中子穿透实验模型后引发238u绝对,掌握小空间测量中子技术。

    Using uranium fission Chambers of minitype slab in the case of 14 MeV neutrons penetrating through the special experiment model, the pure 238u absolute fission rates are measured.

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  • 降低血瘀模型大鼠各变率血液黏度模型相比显著差异

    And the performance for the three-dose group compared with liquid water to cook, there is extremely remarkable difference.

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  • 同时,基于粘弹性应力分析模型得到管材逐渐减小由于聚乙烯屈服应力具有明显的相关性,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.

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  • 强度模型表明介质破坏一个过程,反映了强度突阈值效应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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  • 强度模型表明介质破坏一个过程,反映了强度突阈值效应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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