How to define CBUSH and RBE elements in Ansys profile

Ashish_MEXPERT
Ashish_MEXPERT Altair Community Member
edited October 2020 in Community Q&A

Hello,

 

Hey guys i have used conversion tool from my Optistruct profile to Ansys profile. 

 

It hasn't correctly defined the CBSUH element and RBE elements. For CBUSH how can i define K1 to K6 in property. It has formed Et type combin14 but what elese need to be define there ?

 

When i am running .cdb file in ansys solver it is giving the error 'Zero length has been defined'

 

Can anybody explain this ?

 

Thanks !

 

Regards,

 

Ashish

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Answers

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited February 2018

    Hi Ashish,

     

    Not sure if Ansys supports Zero length BUSH elements.

     

    Please get in touch with Ansys support. 

     

    But could you please let us know why you are converting a OptiStruct solver file to Ansys?

  • Ashish_MEXPERT
    Ashish_MEXPERT Altair Community Member
    edited February 2018

    ok Thanks !

     

    Actually i want to export ansys format file from hyperworks and want to calculate in ansys solver.

     

     

  • Ashish_MEXPERT
    Ashish_MEXPERT Altair Community Member
    edited February 2018

    Can you please also tell how to correctly define RBE elements in Ansys profile of Hyperworks ?

     

     

     

  • Q.Nguyen-Dai
    Q.Nguyen-Dai Altair Community Member
    edited February 2018

    That's very simple: 1D => rigids => create

    ansys_00.png.02710f7f3ae173d3f801cfb69bd3d079.png

     

    Here's my test:  

    and the output CDB:

    ansys_01.png.3dc2a980f2747f18cfca40e949fd8711.png

     

     

    Unable to find an attachment - read this blog

  • Ashish_MEXPERT
    Ashish_MEXPERT Altair Community Member
    edited February 2018

    Hi Ngunen,

     

    Thanks for your reply. 

     

    I did accrodingly you said and defined load at the dependent node of CERIG element. But solver has given the error 'Constraint equation 60 has unused node 14737338' and there several errors similarly i got.

     

    can you please tell why it is so ??

     

    Thanks !!

     

    Regards,

     

    Ashish

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