tensile test - XFEM crack growth - 3D model

[@francodotti484]

Thank you very much!

[@HamzaDjeloud]

Hello sir
How can a Paris curve be drawn da/dN=c(delta K)^m

[@amrabdullah1995]

I want to model a steel pipe subjected to internal pressure. I want to model the crack growth also when the internal pressure exceeds the operating pressure of the pipe can you help with this ?