V2EX catenary

Catenary

释义 Definition

悬链线:一条均匀、柔软的链条或绳索在自身重力作用下两端悬挂时形成的自然曲线。常见于悬索桥主缆、架空电缆等的下垂形状。
(也可作形容词 catenary:表示“悬链线的、呈悬链线形的”。)

发音 Pronunciation

/ktnri/

例句 Examples

A hanging chain forms a catenary.
悬挂的链条会形成一条悬链线。

Engineers modeled the power line as a catenary to estimate the sag under different temperatures and loads.
工程师把输电线建模为悬链线,用来估算在不同温度与载荷下的垂度。

词源 Etymology

来自拉丁语 catena(“链条”),加后缀 -ary(表示“与……有关的”)。字面意思就是“与链条有关的(曲线)”,因为这种曲线最典型的来源就是“悬挂的链”。

相关词 Related Words

文学与作品 Literary Works

  • On Growth and Form(D’Arcy Wentworth Thompson):讨论自然形态与数学曲线时会涉及悬链线等典型曲线。
  • The Feynman Lectures on Physics(Richard P. Feynman 等):在力学与受力形状相关内容中可见对悬挂链/绳曲线的提及。
  • The Princeton Companion to Mathematics(编:Timothy Gowers):在介绍经典曲线与数学建模时常出现“catenary”等术语。
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