Extract Stress gradients from rst

- July 18, 2023 at 9:40 am
  
  Vasanthan Pitchaimani
  Subscriber
  
  Dear all, How to export Stress gradients from rst? I need to export stress gradients for surface nodes in my model. Is there any APDL script available for that? I created named selection for set of nodes. For that named selection for each node towards the depth of 1mm surface normal direction, I need to extract stresses and export it into text file..
- July 19, 2023 at 6:05 pm
  
  Dave Looman
  Ansys Employee
  
  You could map stress to a path and then use pcalc,deri to compute the gradient along the path. prpath output can be redirected to a file.
- July 20, 2023 at 12:28 pm
  
  Vasanthan Pitchaimani
  Subscriber
  
  Is it possible to share the script if available for small set of nodes? I need APDL commands to map stresses in the path...
- July 20, 2023 at 1:11 pm
  
  Dave Looman
  Ansys Employee
  
  /post1
  set,last ! store results
  lpath,pick ! pick nodes in direction desired
  pdef,seqv,s,eqv ! or other stress quantity
  pcalc,deri,seqvd,seqv
  prpath,seqv,seqvd

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