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Intersections and Penetrations

User: "Ushay"
Altair Community Member
Updated by Ushay

Dear all,

i have created an assembly with Shell Mesh. I have two questions

1. when I add thickness to a component, the sections where it has a sharp edge like L joint, the elements are getting Intersected. Can this intersection be neglected?

2. In my assembly there are particular locations where I have to connect one components nodes to other components nodes. Since these components have a shell mesh, when the thickness added, the added elements thickness gets penetrated. Are these allowed.

Please give your suggestions

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

    Hi Ushay,

    It is always recommended to remove the intersections and penetrations before the run. These could result in weird behavior of the model.

    We have a tutorial in Help Menu which shows removing intersections and penetrations, HM-3320: Penetration. 

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

    Hi George, thanks for your reply. I totally agree with you, however in the case I mentioned it is unavoidable.

     

    2. In my assembly there are particular locations where I have to connect one component's nodes to other component's nodes. Since these components have a shell mesh, when the thickness added, the added elements thickness gets penetrated. 

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

    Hi Ushay,

    If its an unavoidable case you can continue with the current set up and finally we can review the results.

    What type of analysis you are trying to perform?.

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

    Thanks George. I will be performing explicit type