ABSTRACT
It is known that the rate of deformation tensor of the medium can be given by the formula
D FF FF F F= + =T 1 2
1 2
1 1 2 1 − −( )⎡⎣ ⎤⎦ T ( )U .
Using condition (2), the material time derivative is expanded at the right-hand side of the equation. Hence, we can deduce the following.
