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Spring orientation

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

Hi,

Im working with some mass-spring systems, at the spring element creation panel i must select a  DOF for the spring, but it seems that i can only orient the spring parallel to the global axes. How can i define the DOF of a spring oriented in a different direction that the global axes.
 

Thanks.

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

    Hi,

     

    please tell us, which solver and which element type.

    Normaly you choose 2 nodes for spring x-direction.

     

    Regards,

    Mario

    User: "evsm1982"
    Altair Community Member
    Updated by evsm1982

    Hi,

     

    Try this:

    -you must create a local coordonate system (Analisys->systems->create by axis orientation or by node referance)with the orientation that you want

    -after you have the system press card edit->elems(choose spring and his type)->edit->press CID and select the local system that you created earlier

     

    Hope this will help you!

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

    Hi,

     

    Try this:

    -you must create a local coordonate system (Analisys->systems->create by axis orientation or by node referance)with the orientation that you want

    -after you have the system press card edit->elems(choose spring and his type)->edit->press CID and select the local system that you created earlier

     

    Hope this will help you!

    Thank you. I was looking for a similar question/answer.

     

    For anyone searching:

    In a Dyna deck, after making a series of beam elements (which are defined by 3 nodes - the from node, the to node, and the orientation node), the default in hypermesh seems to create the beam with a the orientation node coincident with the from node. This causes an error during simulation because the 'k node' lies on the element's X-axis (ie, it doesn't define an orientation at all).

     

    I could get the simulation to run by manually changing the orientation node, but couldn't find how to get hypermesh to recognise this. The Analysis > System panel got it working for me.

     

    Thanks,

    Sven.