5.5 (b)  Equations of the Infinitesimal Theory of Elasticity (Cont'd)

Previous:  5.5  Equations of Infinitesimal Theory of Elasticity

In general, We know that

 is the body force/mass

 is the body force/volume

 is the acceleration

For small displacement  

Thus

Assume v << 1, then

For small displacement,                                          

Thus for small displacement/rotation problem

Next:  5.5(c)  Equations of Infinitesimal Theory of Elasticity (contd)

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