Define the design variable in 1 D

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

Hi,

 

I would like to optimize 1 D Truss  (Sizing Optimization), I do not know,  how can I define the design variable in HyperWorks (in OptiStruct), for example, cross-sectional parameters (R, a, b, h). or Length...

 

thanks for your help

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

    Design Variable

    • The parameters, properties, or elements that OS can change to achieve different responses

    • Prototypically usually an entire part or a significant part feature

    • Represented in a trade diagram as the area or n-dimensional volume of the plot

     

    Please find the attached images to help you out.. May it will be helpful to you.

     

    Regards,

    Pritam Prakash

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

     Hi,

     

     

     
    You can link PBEAM or PBEAML (if you are using 1D elements) as a design variable in Size panel,
     
     
    you can either change the cross sectional area or moment of inertia to change the cross sectional parameters.

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