V2EX concentrated load

Concentrated Load

定义 Definition

concentrated load(工程/力学):集中载荷/集中力,指作用在结构构件上非常小的区域(常近似为一个点)的外力或荷载。与“分布载荷”相对。(也常称 point load)

发音 Pronunciation (IPA)

/knsntretd lod/

例句 Examples

A concentrated load is applied at the middle of the beam.
在梁的中点施加了一个集中载荷。

When a concentrated load acts near the support, it can cause large shear forces and local stress concentrations.
当集中载荷作用在靠近支座的位置时,可能会引起很大的剪力以及局部应力集中。

词源 Etymology

concentrated 来自拉丁语词根 *con-*(“一起”)+ centrum(“中心”),引申为“集中于一点/一处”;load 来自古英语 lād(“负载、承载”)。合起来表示“集中在一点(或很小区域)上的荷载”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Mechanics of Materials(Gere & Goodno / 或相关版本):常用 “concentrated load/point load” 讲解梁的剪力图与弯矩图。
  • Roark’s Formulas for Stress and Strain:在结构构件受力模型中频繁出现集中载荷的计算情形。
  • Strength of Materials(Beer, Johnston 等教材体系):用集中载荷示例说明梁挠度、内力与应力分析。
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