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How to simulate a sandwich structure using Hypermesh?

Dear

Please help me. I want to simulate a sandwich structure using Hyper-Mesh. But I do not know how to connect between FACE SHEET and Honey comb core. After running on LS-DYAN, I receive my result as presented on the figure. How can I correct it? Thanks a lot.

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

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QuyNguyenDai

Do you connect two meshing component?

Share your model?

Altair Forum User

Hi.

How to connect two meshing components?

And how to share my model?

The thickness of the face sheet is 1.2 mm. So there is a gap of 0.6 mm between face sheet and sandwich core.

Altair Forum User

Hi.

How to connect two meshing components?

And how to share my model?

The thickness of the face sheet is 1.2 mm. So there is a gap of 0.6 mm between face sheet and sandwich core.

Thanks a lot.

QuyNguyenDai

Hi.

How to connect two meshing components?

And how to share my model?

When you reply, I can attach your files. (Drag files here to attach, or choose files ...)

Altair Forum User

Please find my attached file in this reply.

Thanks a lot.

Unable to find an attachment - read this blog

QuyNguyenDai

Try to mesh from surfaces in my model :

S-7-6x1_2x69.32x80.png.49fac8c05a3647c10369f8dde4886c1b.png

Unable to find an attachment - read this blog

Altair Forum User

There is no gap between face sheet and sandwich core?

Thanks

QuyNguyenDai

If you keep the gap, you have to use some technique to stick the central mesh to two shell. Or it's better to extend the surface to link to another.

Altair Forum User

Dear

Because the shell of the core and the face sheet are simulated as central mesh. Which technique can stick the central mesh between face sheet and core?

I can not download the file you send.

Thanks