V2EX numerical simulation

Numerical Simulation

定义 Definition

数值模拟:用计算机把连续的数学模型(如微分方程、守恒定律)离散化,并通过数值算法近似求解,从而在“虚拟环境”中预测或再现实验/工程/自然现象的过程。常用于流体力学、结构力学、气象、材料、金融等领域。

发音 Pronunciation

/numrkl smjlen/

例句 Examples

We used numerical simulation to test the bridge design before building it.
我们用数值模拟在施工前测试了桥梁设计。

By coupling numerical simulation with experimental data, the researchers reduced uncertainty in predicting how turbulence affects heat transfer.
研究人员将数值模拟与实验数据结合,降低了预测湍流如何影响传热时的不确定性。

词源 Etymology

numerical 来自拉丁语 numerus(“数字”),表示“与数字/数值有关的”;simulation 来自拉丁语 simulare(“模仿、仿真”)。合起来字面意思就是“用数值方法进行的仿真/模拟”。

相关词 Related Words

文学/著作例证 Literary Works

  • Computational Fluid Dynamics: The Basics with Applications(John D. Anderson Jr.)
  • Numerical Recipes: The Art of Scientific Computing(Press, Teukolsky, Vetterling, Flannery)
  • The Finite Element Method: Its Basis and Fundamentals(Zienkiewicz, Taylor, Zhu)
  • Computational Methods for Fluid Dynamics(Ferziger, Peri)
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