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应力

出自维基百科,自由个百科全书

拉连续介质力学里,应力定义为单位面积所承受个作用力。

假设受力表面搭施力方向正交,则叫此应力分量为正应力。假设受力表面搭施力方向互相平行,则叫此应力分量为剪应力(shear stress)。

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