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Meshing problems - The mesh moves

Altair Forum User

Hello.

When I am meshing 1D in Hypermesh sometimes the mesh moves to other side. It does not allow me to sew the mesh with other elements. Also, when I try to remove all these elements that have been moved I can not select all them using a window. If I want to mask them, I must select them in the meshing position, not in the translation position.

It is not the first time it happens, and it means a problem to finish my work at time. Please, does someone know what is the problem?

Thank you. Regards,

Rubén Molina.

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tinh

Pls take a video clip and show what you did.

Altair Forum User

I can not take a video clip, but I will try to explain you with these 3 images.

The first one shows us the elements when I open Hypermesh and I isolate this mesh. The second one shows us the same but when I click the button framing in red to show the 1D elements in 3 dimensions. The last one shows us the same that the first one but clicking other time the same button.

I can see this behaviour appearing when I modify one of the elements of the 1D mesh (how you can see, I deleted some elements in the 1D mesh before taking the images).

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

tinh

Assign beam section to 1d elems and recheck.

If no section assigned, sometimes graphic becomes abnormal.

Altair Forum User

I did it, but it continues working like I shew.

tinh

Do you see beam shape when select 3d representation?

Altair Forum User

Yes, I do. At the moment I am meshing other time my model, but it is also happening there.

I am meshing a wing's rib with 1D elements to create rib's flanges, but just when I mesh the last one all the other move to other side like this.

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

There are no reasons to happen, therefor I think that it is a software problem.

tinh

Did you check the beam's offsets?

Altair Forum User

Yes, I checked them. There aren't any offsets.