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单词 Statical moment of area
释义

Statical moment of area

中文百科

面积矩 First moment of area

(重定向自Statical moment of area)
Área parcial para el cálculo de la tensión cortante.

某个截面对于一个轴的面积矩,是指截面上一个微元面积与该微元距离该轴的距离的乘积的积分。它经常用来找出一个面积的重心。

J=\iint_{S} \rho ds

其中:\rho为微元距轴的距离

英语百科

First moment of area 面积矩

(重定向自Statical moment of area)

The first moment of area, sometimes misnamed as the first moment of inertia, is based in the mathematical construct moments in metric spaces, stating that the moment of area equals the summation of area times distance to an axis [Σ(a × d)]. It is a measure of the distribution of the area of a shape in relation to an axis.

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更新时间:2025/6/22 14:07:00