Accessing solution of one study into another one ?

Hi,

I been modeling hyperelastic material models in comsol which revolves around three different studies on the same geometry, with different boundary conditions. I would like to access results from the second study to give input to some of the variables in the third study. Well, i could use the second solution as initialization to third study, but i want to access, for example, shear stress at every point in the material domain, which in turn affects inelastic deformation gradient matrix in third study.

Any one has any idea how to do this ? Any help is greatly appreciated !!

Thanks !

/Krishna