field dependent material data
I'm trying to model a time dependent thermal conductivity material by specifying thermal conductivity using TBFIELD command. The model has 3 link elements and I solved transient run for 6 sub-steps.
After looking the output of the stiffness matrix for every substep, I see that they are not changing.
I'm not sure if my input for TBFIELD is correct, although the output echo of the command didn't give any errors.
I have attached the input to reproduce the issue. Could you please take a look into this issue and let me know if time dependent KXX is correctly accounted.