"Contour_viscosity.m" is the main code for generating the contour plot of foam apparent viscosity;
"Contour_fg_t.m" is the main code for generating the contour plot of transition foam quality;
"calSw.m" is the subroutine for calculating water saturation at a given foam quality;
"findSw_t.m" is the subroutine for finding transtion water saturation.