Mat_054/MAT_055 is LS-Dyna issues

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Thiagarajan Ganesh

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Feb 18, 2026, 10:51:58 PMFeb 18
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Dear All,
I am using the ANSYS version of LS Dyna and it appears that they have combined MAT_054/055. I have entered the data but I get the following error.
*** Error 10141 (KEY+141)
     Load curve id 1347569219 is undefined
 
 *** Error 10141 (KEY+141)
     Load curve id 1952533792 is undefined
 
 *** Error 10141 (KEY+141)
     Load curve id 1634300517 is undefined
 
 *** Error 10141 (KEY+141)
     Load curve id 108 is undefined
 
 *** Error 10141 (KEY+141)
     Load curve id 65536 is undefined
 
 *** Error 10141 (KEY+141)
     Load curve id 1347569219 is undefined
 
 *** Error 10141 (KEY+141)
     Load curve id 1952533792 is undefined
 
 *** Error 10141 (KEY+141)
     Load curve id 1634300517 is undefined
 
 *** Error 10141 (KEY+141)
     Load curve id 108 is undefined

I do not see a load curve reference in the Keyword card. Any help is highly appreciated.

best wishes,
Ganesh

WATANABE Haruto

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Apr 24, 2026, 11:43:54 PM (9 days ago) Apr 24
to LS-DYNA2
Dear Ganesh,

Has this issue been resolved?

If not, one possible workaround is to run "Model Check" and apply "Model Clean" before re-running the analysis.

This process may help resolve the KEY+141 error.

Once the model is cleaned and reused, this step is usually not necessary in subsequent runs.

Best regards,
2026年2月19日木曜日 12:51:58 UTC+9 cet...@gmail.com:
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