How to parse Fatigue Life result data from .rst file by ansys-mapdl-reader

Hi,
I want to parse the Fatigue Life result data from .rst file. Could it be done with ansys-mapdl-reader or other ansys libs?

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Rajesh Meena

Hi @wanghao , I am not sure. Could you please elaborate how the fatigue results were stored in rst?

Mike Rife

Hi @wanghao Fatigue in MAPDL is an 'Archived' feature and it did not store fatigue life to the result file. The fatigue calculations are done in post processing. We can save the MAPDL commands to perform the fatigue calculation (FWRITE) and reuse the file on other analyses.

wanghao

Hi @Mike Rife
Thanks for reply!
How to find the MAPDL commands to perform the fatigue calculation? Is there any example for this?

Mike Rife

@wanghao See the Mechanical APDL Help -> Feature Archive. Just remember that this is an archived feature meaning it is really not meant to be used...and will probably be undocumented some day.

wanghao

Hi @Mike Rife
Sorry I didn't find the MAPDL command to perform the fatigue calculation.
Could you point out the command clearly for me?
THANKS EXTREMELY！