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Rigid Wall in Optistruct Explicit Analysis

User: "Prasad Srichandan Dalei"
Prasad Srichandan Dalei
Altair Community Member
Updated by Prasad Srichandan Dalei

Hi,

Could you please tell me how to reference RWALL in the Explicit subcase in Optistruct. I have defined RWALL but I am not getting any option to link that into the explicit subcase.

Thanks and Regards

Prasad Dalei

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    User: "Prasad Srichandan Dalei"
    Prasad Srichandan Dalei
    Altair Community Member
    OP
    Updated by Prasad Srichandan Dalei

    I am running the explicit analysis but it seems that it is not taking the effect of RWALL in that drop simulation.

    User: "Guilherme_Brandao"
    Guilherme_Brandao
    Altair Employee
    Updated by Guilherme_Brandao

    Hello Prasad.

    Currently, OptiStruct does not have Rigid Wall for the native explicit solution. This feature was used for the OptiStruct/Radioss integration in the past. It should be supported in further releases.

    User: "Prasad Srichandan Dalei"
    Prasad Srichandan Dalei
    Altair Community Member
    OP
    Updated by Prasad Srichandan Dalei

    So I have to take another plate with very high Young's modulus value to replicate the rigid wall. Am I correct?

     

    User: "Guilherme_Brandao"
    Guilherme_Brandao
    Altair Employee
    Updated by Guilherme_Brandao

    So I have to take another plate with very high Young's modulus value to replicate the rigid wall. Am I correct?

     

    You can use a conventional steel material and connect all nodes with RBE2 or RBODY. Then you apply the boundary condition to the main node. This way the part will behave as a rigid wall.

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