impact velocity

The experiments show that when the impact velocity is not high, the dynamic tension fracture appears in the specimen.

实验结果表明，在一定的撞击速度下，由于应力波的汇聚作用，在试样锥段产生了反射拉伸破坏；

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The effects of head restraint geometry, seat back cushion stiffness, recliner stiffness, impact velocity and acceleration on neck global kinematics responses are analyzed.

使用该模型，分析了头枕位置、靠背刚度分布、调角器刚度等座椅参数、以及碰撞速度和加速度对颈部整体动力学响应的影响。

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The temperature exponent to indicate the effect of temperature and the velocity exponent to indicate the effect of impact velocity are obtained from the two facter linearity regression methed.

用二元线性分段回归，得出了临界点前后的温度指数和速度指数，可以此来表征临界点前后温度与速度对磨损的影响。

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The amplitude value of the flexural wave will increase as the impact velocity increasing, which will lead to distribution of the martensite is different.

不同速度冲击下，弯曲波动阶段表现为传播的弯曲波幅值增加，将引起结构响应阶段的相变含量分布不同。

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With the impact velocity increasing, every deformed zone was broadening.

随着撞击速度的增加，剪切局部变形区有展宽的现象。

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Electromagnetic stirring can transform the water flow impact velocity into the tangential velocity, reduce the impact depth and weaken erose to shell, and create favorable conditions for inclusions gathered up and floatation.

电磁搅拌能将水口流股的冲击速度转化为切向速度，降低直通水口的冲击深度和减弱旋转水口对坯壳的冲刷，为夹杂物的聚集上浮创造了有利条件。

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Last, the influence law of the initial particle rotation on the linear scaling law of the penetration depth and the initial impact velocity was investigated. 3.

最后分析了冲击颗粒的初始旋转对冲击深度与初始冲击速度的线性标度关系的影响规律。

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The theoretical critical impact velocity in tension is discussed: For OFHC copper, the theoretical critical impact velocities ( the plastic wave speed reaches zero) in tension are calculated with J-C and Z-A constitutive relations and the obvious differents are indicated. 7.

讨论了理论临界冲击拉伸速度：从理论临界拉伸速度的定义出发。采用J-C及Z-A本构关系计算了OFHC材料塑性波趋于零时的不同的临界冲击拉伸速度。

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factors influencing the lifetime of radio frequency/ microwave mems shunt switches, including the electric-field strength in the dielectrics and the impact velocity of movable membranes on the dielectric-coating, are investigated in this paper.

理论分析了影响射频/微波MEMS电容开关寿命的因素：介质内的电场强度和可动薄膜对介质膜的冲击速度。

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The effect of projectile density, shapes, target thickness, projectile diameter, impact velocity and angles etc. on crater has been investigated.

研究了弹丸密度、弹丸形状、板厚度、弹丸速度、弹丸直径和弹丸撞击入射角等对靶成坑的影响。

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