How to fix ERROR # 557 ?

Anatole Morcos
Anatole Morcos Altair Community Member
edited December 2021 in Community Q&A

Hello everyone,

I try to use DRESP3 response to define a constraint but i am running into the same error over and over again.

 

"*** ERROR # 557 ***
DRESP3 5 is not referenced above the first SUBCASE.
This type of response must be specified above the first
SUBCASE.
This error occurs in DESSUB 2."

When I put the constraint "DESSUB 2" above the SUBCASE1 i have still the same issue.

Find attached the .oml function, the .fem file. I have also a .csv file that i use to have the centroids of my elements but i cannot put it in this message.

 

Best regards,

 

Anatole Morcos

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Answers

  • Robert Hoglund
    Robert Hoglund
    Altair Employee
    edited December 2021

    Hi Anatole,

    In the DRESP3 definition, you use a DRESP1L to reference the mass, but that is for subcase dependent responses and mass is independent.  Take a look at the attached deck which refers to DRESP1 instead (it runs past that error).

    Thanks,

    Rob H.

  • Anatole Morcos
    Anatole Morcos Altair Community Member
    edited December 2021
    Robert Hoglund said:

    Hi Anatole,

    In the DRESP3 definition, you use a DRESP1L to reference the mass, but that is for subcase dependent responses and mass is independent.  Take a look at the attached deck which refers to DRESP1 instead (it runs past that error).

    Thanks,

    Rob H.

    Thank you so much Rob!

     

    I think i had another problem with the DESGLB. But it seems you also fixed it.

     

    Have a nice day,

     

    Anatole M.

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