PARAM, MPCX equaivalence in OptiStruct

Altair Forum User
Altair Forum User
Altair Employee
edited October 2020 in Community Q&A

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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Answers

  • Rahul Rajan_21763
    Rahul Rajan_21763 New Altair Community Member
    edited May 2016

    I think MPCX is not yet available with Optistruct.

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited May 2016

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

  • Rahul Rajan_21763
    Rahul Rajan_21763 New Altair Community Member
    edited May 2016

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

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited May 2016

    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

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited May 2016

    -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.

  • Rahul Rajan_21763
    Rahul Rajan_21763 New Altair Community Member
    edited June 2016

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

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