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单词 Shearing stress
释义

Shearing stress

中文百科

剪应力 Shear stress

(重定向自Shearing stress)

剪应力是应力的一种,定义为单位面积上所承受的力,且力的方向与受力面的法线方向正交。公式记为


\sigma_{ij} = \lim_{\Delta A_i \to 0} \frac {\Delta F_i} {\Delta A_j}

i不等于j的情况。其中,\sigma 表示应力;\Delta F_i表示在i方向的剪切力;\Delta A_j 表示在j方向的受力面积。

英语百科

Shear stress 剪应力

(重定向自Shearing stress)
A shearing force is applied to the top of the rectangle while the bottom is held in place. The resulting shear stress, τ, deforms the rectangle into a parallelogram. The area involved would be the top of the parallelogram.
Hauptscherung τ bei einachsigem Zug σ
Streckung und Scherung der Tangenten (rot und blau) an materielle Linien (schwarz) im Zuge einer Deformation
Ausbildung einer laminaren Grenzschicht zwischen der blauen Linie und einer flachen Oberfläche (untere Linie).

A shear stress, denoted τ (Greek: tau), is defined as the component of stress coplanar with a material cross section. Shear stress arises from the force vector component parallel to the cross section. Normal stress, on the other hand, arises from the force vector component perpendicular to the material cross section on which it acts.

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更新时间:2025/6/18 23:13:15