Numerical model of the compressive stress T_y(x,y), in a panda fiber, without the circular core, not to be blinded by the significant isotropic stress that this one generates: (a) color code with, in addition, double arrows to better visualize the stresses; (b) curve T_y(0,y) of the compressive stress in the y-axis that decreases along this y-axis, and gets to zero at the outer limit of the cladding.