umat for wood constitutive model
Dear friends:
I have a question about wood which is anisotropic in material property that confused me for a long time.Now I ask what you master that how to write the subroutine of the constitutive model of wood, who have the subroutine if you can share it with me?Thank you!
Truly yours,
Ph.D. Fengliang Zhang in Civil Engineering
School of Civil Engineering
Xi'an university of architecture and technology
China