We also talked about the way objects deform under tensile, compressive, and shear stress, as well as pressure.
我们还讨论了物品在影响下如何变形 拉伸应力、压缩应力和剪切应力,以及关于压缩。
单词 | Tensile stress |
释义 |
Tensile stress
原声例句
Crash Course Physics 速成课物理 We also talked about the way objects deform under tensile, compressive, and shear stress, as well as pressure. 我们还讨论了物品在影响下如何变形 拉伸应力、压缩应力和剪切应力,以及关于压缩。
中文百科
应力 Stress (mechanics)(重定向自Tensile stress)
![]() ![]() 在连续介质力学里,应力定义为单位面积所承受的作用力。以公式标记为 其中, 假设受力面积与施力方向正交,则称此应力分量为正向应力,如图1所示的 「内应力」指组成单一构造的不同材质之间,因材质差异而导致变形方式的不同,继而产生的各种应力。 采用国际单位制,应力的单位是帕斯卡(Pa),等于1牛顿/平方公尺。应力的单位与压强的单位相同。两种物理量都是单位面积的作用力的度量。通常,在工程学里,使用的单位是megapascals(MPa)或gigapascals(GPa)。采用英制单位,应力的单位是磅力/平方英寸(psi)或千磅力/平方英寸(ksi)。
英语百科
Stress (mechanics) 应力(重定向自Tensile stress)
![]() ![]() ![]() ![]() In continuum mechanics, stress is a physical quantity that expresses the internal forces that neighboring particles of a continuous material exert on each other, while strain is the measure of the deformation of the material. For example, when a solid vertical bar is supporting a weight, each particle in the bar pushes on the particles immediately below it. When a liquid is in a closed container under pressure, each particle gets pushed against by all the surrounding particles. The container walls and the pressure-inducing surface (such as a piston) push against them in (Newtonian) reaction. These macroscopic forces are actually the average of a very large number of intermolecular forces and collisions between the particles in those molecules. |
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