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How to get elements inside Database cross section plane

User: "Tamilvanan"
Altair Community Member
Updated by Tamilvanan

In dyna, I have a finite *DATABASE_CROSS_SECTION_PLANE. It is cutting some elements in the model. I would like get the elements cut by the cross section.

 

The cross section will have the following information.

1. Base node of cross section.

2. Plane vector

3. orientation vector

4. Size of the plane

<?xml version="1.0" encoding="UTF-8"?>Capture.PNG

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    User: "llyle_20499"
    New Altair Community Member
    Updated by llyle_20499

    Hi, 

     

    *createmark elems 1 'on plane' 'x y z i j k tol plane touching'

     

    image.png.d8aa8e60dbaeaf5e9f5d64081f3d6946.png'

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

    This command will select all the entities cut by the specified plane normal. But I should be able to select elements only cut by the plane. 

    User: "llyle_20499"
    New Altair Community Member
    Updated by llyle_20499

    I was able to do it with this command.

     *createmark elems 1 'on plane' 0 6 0 0 1 0 1 1 1 hm_highlightmark elems 1 h

    <?xml version="1.0" encoding="UTF-8"?>image.thumb.png.dc7cfed843e9dd6c6fee3f646bd3b40e.png

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

    I think i have not explained the problem correctly. 

     

    In attached image, I would like to get only the elems cut by the cross section i.e only the red comp elements.

     

    I used the command provided, it is giving all the elems in the plane as highlighted in the image.

    <?xml version="1.0" encoding="UTF-8"?>Capture.PNG

    User: "llyle_20499"
    New Altair Community Member
    Updated by llyle_20499

    have you tried creating a mark by box? 

     

    *createmark elems 1 'by box' x0 y0 z0 x1 y1 z1 syst location contained all tol

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

    Thank you livil. its working 

     

    User: "tinh"
    Altair Community Member
    Updated by tinh

    I think i have not explained the problem correctly. 

     

    In attached image, I would like to get only the elems cut by the cross section i.e only the red comp elements.

     

    I used the command provided, it is giving all the elems in the plane as highlighted in the image.

    <?xml version="1.0" encoding="UTF-8"?>Capture.PNG

     

     

    You can indicate selection on red comp only by

    *createmark elems 1 'on plane' .....

    *createmark elems 2 'by comp name' red_comp

    *markintersection elems 1 elems 2