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Meshing hole with concentric pattern

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

Hi all, 

 

Can someone explain to me how you can get a mesh that looks like the ones in the picture below? Basically, a series of concentric rectangles around the hole. The pic is from an Altair ebook. It suggests to split the surface along the diagonals and use the bias option along the diagonal (to get the different density), I tried but I can't get the nice regular rectangular pattern, but rather something like in the second pic below. 

 

I think there must be an automated way to obtain such a mesh, rather than manually splitting the surface with trim lines... 

 

<?xml version="1.0" encoding="UTF-8"?>Picture1.thumb.png.b02d7bd10d758311f6c38e129190de26.png

 

<?xml version="1.0" encoding="UTF-8"?>Capture3.thumb.PNG.dccc428e565592729673fdbcd12a480f.PNG

 

Thank you!!

 

 

 

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    User: "tinh"
    tinh
    Altair Community Member
    Updated by tinh

    Hi

    try activating 'link opposite edges'

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

    Hi Gianmarco,

     

    First split the surface into two as shown below.

    image.png.3d107eb542bb730dbbe57c7463a9a3a9.png

     

    Then Use only Quads for mesh and Check the link opposite edges box as shown below.

    <?xml version="1.0" encoding="UTF-8"?>image.thumb.png.b1b724fedc382c27d1d0c50d922ace0d.png

     

    Then you can change the element density and get the desired mesh.

     

    Thank you

     

     

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