V2EX molecular dynamics

Molecular Dynamics

定义 Definition

分子动力学(Molecular Dynamics, 常缩写为 MD):一种计算模拟方法,通过数值求解牛顿运动方程来追踪原子与分子随时间的运动,从而研究材料、蛋白质、液体等体系的结构、性质与动力学行为。(在不同语境中也可泛指“分子层面的动力学过程”。)

发音 Pronunciation (IPA)

/mlkjlr danmks/

例句 Examples

Molecular dynamics can simulate how water molecules move.
分子动力学可以模拟水分子如何运动。

Using molecular dynamics, researchers estimated the protein’s flexibility under different temperatures and solvent conditions.
研究人员利用分子动力学评估了该蛋白质在不同温度与溶剂条件下的柔性变化。

词源 Etymology

molecular 来自 molecule(“分子”),其更早来源与拉丁语 moles(“质量、块状物”)相关;dynamics 源自希腊语 dynamis(“力量、力”)。合起来,“molecular dynamics”字面意思是“分子层面的力与运动学”,在现代科学中专指用计算方法研究分子运动的模拟技术。

相关词 Related Words

文学与著作中的用例 Literary Works

  • D. Frenkel & B. Smit, Understanding Molecular Simulation: From Algorithms to Applications(多处系统使用与解释 “molecular dynamics”)
  • M. P. Allen & D. J. Tildesley, Computer Simulation of Liquids(以 “molecular dynamics” 为核心方法之一)
  • D. C. Rapaport, The Art of Molecular Dynamics Simulation(标题与正文频繁出现该术语)
  • A. R. Leach, Molecular Modelling: Principles and Applications(讨论分子建模时大量涉及 “molecular dynamics”)
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