Converge issue

[Yulongggggg]

https://github.com/Yulongggggg/2D_groundstress This is my code link, I am trying to model the situation of biaxial loading of soil. But the code seems unable to converge, could you please tell me my mistakes. Thank you so much!

[GiudGiud]

Hello
there are some troubleshooting instructions here
https://mooseframework.inl.gov/moose/application_usage/failed_solves.html
and some advice on preconditioning for porous media / geomecha here
https://mooseframework.inl.gov/modules/porous_flow/solvers.html