Check out the following reference:
O. van der Sluis, P.J.G. Schreurs, W.A.M. Brekelmans, H.E.H. Meijer, Mechanics of Materials 32 (2000), 449-462.
Yes. You need to use *Equation keyword. Create an input file using any text editor with all the required equations. Go to 'Model-edit keywords' and...
