弹孔周围的绝热剪切带沿主剪应力方向形成,与静态塑性变形滑移线方向接近,绝热剪切带上不均匀的变形将产生微裂纹和微孔洞。
An adiabatic shear band formed along the main shear stress around the penetrated hole is approximately consistent with the direction of plastic deformation slip lines in static state.
导出了作用在位错上的像力和刚性线夹杂表面剪应力和电位移的解析表达式。
The image force acting on the piezoelectric screw dislocation and the generalized stress on the surface of rigid line are calculated.
比较了考虑横向剪切变形的几种力学模型,提出了一种新的假定剪应力沿板厚呈抛物线分布的分层模型。
This paper compared several mechanical models with transverse shear deformation and put forward a kind of layer model assuming that shear stresses vary parabolically through the plate thickness.
在已有的线弹性地基模型中,文克尔地基模型和弹性半无限体等地基模型都不能将完整的将土介质的连续性、分层特性、地基中的剪应力以及应力扩散等特性包含进去。
Soil model of Winkler and Soil model of elastic half-infinite system can not include the soil continuity and layered property, shearing stress in soil and stress diffusing.
应用抛物线方程,即可得到板内任意点的剪应力。
Using the equation of parabola, we obtain for the sheer stresses at any point in the plate.
在已有的线弹性地基模型中,文克尔地基模型和弹性半无限体等地基模型都不能将完整的将土介质的连续性、分层特性、地基中的剪应力以及应力扩散等特性包含进去。
Through studying the soil model of Winkler, it can be seen that this model not include the soil continuity and layered property, shearing stress in soil and stress diffusing.
的债券被破坏时的剪应力分布的螺栓端可以表示为抛物线。
When the bond is destroyed the shear stress distribution on the bolt side can be expressed by parabolic curve.
的债券被破坏时的剪应力分布的螺栓端可以表示为抛物线。
When the bond is destroyed the shear stress distribution on the bolt side can be expressed by parabolic curve.
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