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create arbitary boundary condition

User: "durukanbdilek"
Altair Community Member
Updated by durukanbdilek

I want create boundary conditions via spring instead of fixed - free cantilever beam

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

    Hi,

     

    Can you please explain a little in brief?

    User: "durukanbdilek"
    Altair Community Member
    OP
    Updated by durukanbdilek

    Normally for a fixed - free beam, we was constraining all freedoms (T and R) at fixed end

    I want to use spring at fixed end instead of constraining all freedoms in order to agree experimental modal results

    what I want that

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

    Hi,

     

    You can use CELAS or CBUSH element which will be fixed at one end and provide stiffness to the spring in the desired direction.