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词汇 Simple shear
分类 英语词汇 英语翻译词典
释义

Simple shear

英语百科

Simple shear

In fluid mechanics, simple shear is a special case of deformation where only one component of velocity vectors has a non-zero value:

\ V_x=f(x,y)

\ V_y=V_z=0

And the gradient of velocity is constant and perpendicular to the velocity itself:

\frac {\partial V_x} {\partial y} = \dot \gamma ,

where \dot \gamma is the shear rate and:

\frac {\partial V_x} {\partial x} = \frac {\partial V_x} {\partial z} = 0

The deformation gradient tensor \Gamma for this deformation has only one non-zero term:

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