Rename 3d_dem_ellip to DEM_ellip3d
Rename DEM_element to DEM_coupling
adding DEM_element directory name
revert to v1.5
remove FEDEManagerT from this directory
Remove changes to this macro file
Making changes to constitutive model instead
Fixed again
Fixed constants multiplying stress and stiffness
Using surface strain for strain-independent correction instead of bulk strain