Plot history for principal stress- maximum and minimum

UDEC
1

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

2

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

3

Thank you Jay.

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