本文借助分子动力学模拟研究了极高应变率下固体铜和液体铜由平面冲击导致的断裂。
MD simulations are carried out to study spallation in solid and liquid copper incuded by planar shock loading at exteme strain rates.
季风是全球气候系统中一种重要的大气环流系统，随着气候学研究及季风动力学研究的深入，国内外学者对季风的形成及其变率问题的研究取得了很大进展。
With the deepening of study on climate and monsoon dynamics, great advances in the research on the mechanism and variability are achieved by scholars in China and other countries.
应变率分布形态不仅可以很好地表征拱坝的振动形态，而且对于高拱坝的动力响应的影响也不可忽略。
The distribution of strain rates can not only influence the vibration modes of dam, but also have significant effects on the dynamic damage of arch dams.
应变率敏感系数是宏观塑性动力学和位错动力学的一个基本概念，本文试图对其进行了重新解释。
An attempt is made to elaborate the definition of the coefficient of strain-rate sensitivity, which is a fundamental concept for macroscopic dynamic plasticity and dislocation dynamics.
本文用分子动力学方法研究了高应变率下晶体材料的力学行为。
Molecular dynamics is used to investigate the mechanical behaviour of crystal material at high strain rates in this paper.
利用分子动力学方法研究了双晶铜在单向拉伸载荷作用下弹性性能的应变率效应和尺寸效应。
Molecular dynamic simulations were used to investigate the effect of strain rate and size on the mechanical properties of nano-bi-crystal Cu under uniaxial tension.
通过位移形函数假设，采用伽辽金积分方法得到了时间变率的动力学控制方程；
By supposing the displacement shape functions and applying the Galerkin method, the dynamical equations with respect to time were gained.
通过位移形函数假设，采用伽辽金积分方法得到了时间变率的动力学控制方程；
By supposing the displacement shape functions and applying the Galerkin method, the dynamical equations with respect to time were gained.
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