Plot history for principal stress- maximum and minimum

How to plot history for principal stress- maximum and minimum in udec.
I tried Block zone history stress-p max 0,0

Binu
There is no command like you mentioned in UDEC ver 7. You will have to write a small fish function to get principal stresses. However, the command “pr zone stresses” lists the principal stresses in the zones.
Jay

Thank you Jay.

Can you explain more on fish function to get Principal stresses.

There is an example data file provided in the datafiles/fish/library/3D_prncipal_stress folder that could be adapted to provide the principal stress for a zone. You can also use the FISH function tensor.prin,

thank you. I got it and now able to get.