Altair RISE

Hi,

I tried in Student edition and also on commercial version of 2017. I am not able reproduce this issue.

Do you have any continuation subcases in your model?

Hi ,

I try many but i found same problem . i just set T joint and fix constraint 2 way and applied force 1 other way .

so I just set 1 subcase

Unable to find an attachment - read this blog

Altair Forum User

Hi @sagpichest

You get this because Fixed option is checked in constriants panel. Uncheck it and try again.

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tinh

@sagpichest/emoticons/default_biggrin.png' srcset='/emoticons/biggrin@2x.png 2x' title=':D' width='20' /> do not fiddle with anything you don't know

Hi @Prakash Pagadala , what is 'fixed' option used for? I didn't find it in Optistruct reference guide v14

Altair Forum User

@tinh

SPC with Fixed is used in relation with CNTNLSUB for nonlinear subcase to retain deformed boundary from previous subcase.

If you try to run when SPC is defined with fixed ON, OptiStruct fails with an error.

Altair Forum User

@tinh

SPC with Fixed is used in relation with CNTNLSUB for nonlinear subcase to retain deformed boundary from previous subcase.

If you try to run when SPC is defined with fixed ON, OptiStruct fails with an error.

This is different point between V14 and 2017 right ?
because i don't see this function in V.14

thanks and best regards,

Sagpichest S.

Altair Forum User

Hi @sagpichest

Yes. Fixed in constraints panel is not available.