----------Description of files----------------
- selected cross-sections: 2D cross-sections of each increment parallel to the sample cutting surface of maximum shear strain and volumetric strain
- coordinates of the cross-sections are x/y/z=36/0/0 --> 36/72/0 
-- Max shear strain: Maximum shear strain based on strain tensor invariant e_shear = 1/3 * sqrt(2(e_xx-e_yy)^2 + 2(e_xx-e_zz)^2 + 2(e_yy-e_zz)^2 + 3*e_xy^2 + 3*e_xz^2 + 3*e_yz^2)
-- Volumetric strain: based on strain tensor invariant e_vol = [e_xx + e_yy + e_zz]