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Shell-solid contact error

User: "Uroš Rožič_22105"
Altair Community Member
Updated by unknown

hi all,

 

I came across an error during the acoustic analysis. the problem seemes to be in FREEZ contact between the solid faces of the acoustic medium and shell faces of the structure. the contact is as such

 

 *** ERROR # 1904 ***
 SURFACE 13 refers to element 136350 of incorrect type.

 

If I turn off the contact the simulation works fine

 

image.png.9cef2c60ee4bec9a5025cb5ca3649108.png

<?xml version="1.0" encoding="UTF-8"?>image.thumb.png.fefa01e591c192b224223013c33845e2.png

<?xml version="1.0" encoding="UTF-8"?>image.thumb.png.3697493641f646664e6c9bd0d4d50a21.png

 

 

SSID are solid surfaces of the solid part and MMID are the shell surface of the shell parts.

 

thanks for help in advanced.

 

Regards,

 

Uroš

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    User: "Altair Forum User"
    Altair Employee
    Updated by Altair Forum User

    Hi @uros

     

    The issue is coming from a different element type. This is what I can make out from error message.

     

    Please look for element with ID 136350 and check if that is a compatible element. 

    User: "Uroš Rožič_22105"
    Altair Community Member
    OP
    Updated by unknown

    Is it possible to make shell to solid contact? if not that might be a problem....

     

    Do you have any idea?

    User: "Altair Forum User"
    Altair Employee
    Updated by Altair Forum User

    Hi @uros Could you please share the model file with which you are facing issues?

    User: "Altair Forum User"
    Altair Employee
    Updated by Altair Forum User

    Hello,

    I encountered the same problem. for the master and slave elements of the contact they must be quad type? the type of element indicated in the error message is triangle