Hello Everyboody. I use ANSYS APDL with code for my shaft with two coating layers(interlayer and coating layer). I already analysis stress of shaft with Ansys. the result is ok and i exported to .RST file. But , when i input my shaft to Ncode, I can't find the interlayer and coating layers.I think this shaft have 3 part(subtrate, interlayer, coating layer) !substrate materials Young's modulus (Mpa): 2.1e5 Poisson's ratios:0.3 Density(ton/mm3):8.03e-9 ! interlayer material Young's modulus (Mpa): 3,2e5 Poisson's ratios:0.31 Density(ton/mm3):8.908e-9 !coating material Young's modulus (Mpa): 2.79e5 !Poisson's ratios:0.21 Density(ton/mm3):7.19e-9 Please, help me to analysis fatigue of this Shaft