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ERROR # 2202, no designated element

Altair Forum User

Hi everyone,

I'm trying to run a basic stress and displacement analysis using Optistruct however I get this error:

Messages for the job:

*** ERROR # 2202 ***
Error(s) encountered during element check
***** Element Validity Check Failed *****

*** PROGRAM STOPPED: ERRORS DURING ELEMENT QUALITY CHECK.

I have disabled the element checking in Control Cards however it still checks as if I've done nothing. Does anyone know the solution to this problem?

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Altair Forum User

Hi,

Is it just analysis or are you trying to do optimization?

Can you share the entire .out file, please?

Altair Forum User

Hi Prakash,

I'm currently just trying to do the analysis. I still have some problems with unrealistic displacement when I managed to solve it previously, but that's a different matter.
For some reason when I try it now, Optistruct gives me the error.

Here is the .out file

Unable to find an attachment - read this blog

Altair Forum User

Setting PARAM, CHECKEL, NO only by-passes the additional “quality” checks. However will not allow users to by-pass element “validity” checks, as the run will lead to a fatal error in the solver during the run.

2. Try this Bulk data:
ELEMQUAL - it can reset the default values of the warning and error bound limits for element quality check.But there should be certain limitations, please refer help.

Maybe you can provide the upper bound say like 0.5 and check if this helps?