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PARAM, MPCX equaivalence in OptiStruct

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

Hello,

 

I am trying to re-run a NASTRAN FEM in OptiStruct, and hence trying to adjust the script to make it compatible with OptiStruct. Could anyone let me know the command equivalent to PARAM, MPCX, 1 in OptiStruct?

 

Regards

VIjay

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    User: "Rahul Rajan_21763"
    New Altair Community Member
    Updated by Rahul Rajan_21763

    I think MPCX is not yet available with Optistruct.

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

    Yes, it is not available. I am new to both NASTRAN and Optistruct. Is there any equivalent command for MPCX in Optistruct?

    User: "Rahul Rajan_21763"
    New Altair Community Member
    Updated by Rahul Rajan_21763

    Could you tell me the usage of MPCX command in Nastran?

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

    PARAM,MPCX controls whether the grid point connectivity created by the MPC, MPCADD, and
    MPCAX entries and/or the rigid element entries (e.g., RBAR) is considered during resequencing

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

    -1 ------> Do not consider the connectivity of the MPC, MPCADD, MPCAX, or rigid element entries.
    0 ------> Consider the connectivity of the rigid element entries only. (Default).
    >0 ------> Consider the connectivity of the rigid element entries and the MPC, MPCADD, and MPCAX entries with the set identification number set to the value of this parameter.

    User: "Rahul Rajan_21763"
    New Altair Community Member
    Updated by Rahul Rajan_21763

    I believe India support team will share more relevant information to you on this topic.