Can't create 3D mesh

Altair Forum User

Hi everyone, 

 

I'm a new user, from Spain and I've worked the student-version for 1 month. I hope we can help together.

 

I have created a mesh as the tutorials says. Then, A 2D mesh it's created. Due to the complexity of the geometry I have some error_elements. I solve them but later, I can see that it's not a enclosed volume. I've tried to solve it with different methods that I've read in the tutorials but I can't get it. That's why I've come here. 

 

1) Could anyone help me? I don't know how to solve those red and yellow lines. 

 

2) I suppose than once again I've solved them I could mesh in 3D?

 

Pd: I add an image.

 

Thanks very much in advance. Hopelessly, I'm findind some help jajaj. 

 

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

 

 

 

Altair Forum User

Okey. So, let me know if I am right. 

 

First, I have to closed my all geometry ( ¿because If I don't do that, I could not fill with 3D elements although my mesh will be OK?). Later, I muss create my mesh 2D which will have some error problems that I have to check and change. Finally, When I have checked my mesh and it's closed, I could fill my 2D mesh closed with 3D elements.

Altair Forum User

Altair Forum User said:

First, I have to closed my all geometry ( ¿because If I don't do that, I could not fill with 3D elements although my mesh will be OK?). Later, I muss create my mesh 2D which will have some error problems that I have to check and change. Finally, When I have checked my mesh and it's closed, I could fill my 2D mesh closed with 3D elements.

HI,

 

Is it tetra elements or Hexas?

 

First, make sure your surfaces are closed or not. If it is closed, you can use Volume tetra to fill the component with tetra elements

 

Or

 

2D mesh the component and make sure it is closed. When it is ready, you can use tetra mesh

Altair Forum User

 

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Altair Forum User

Altair Forum User said:

HI,

 

Is it tetra elements or Hexas?

 

First, make sure your surfaces are closed or not. If it is closed, you can use Volume tetra to fill the component with tetra elements

  

Or

 

2D mesh the component and make sure it is closed. When it is ready, you can use tetra mesh

 

 

Hi, I would like to mesh with Hexax but due to the complexity of the geometry I think it's not possible. ¿isn't it?

 

I tried to close it but I've tried out all methods and I can't change those red and yellow lines to green ones. I have received this geometry, I've not created it.

 

Are you saying to me that I can create a 2D mesh with those red and yellow lines and then, if it's closed, can I use tetra mesh?

 

Thanks very much Prakash Pagadala !

Altair Forum User

Yeah, Hexa is difficult on your model!!

 

Can you share the geometry file, please? 

Altair Forum User

Altair Forum User said:

Yeah, Hexa is difficult on your model!!

 

Can you share the geometry file, please? 

 

Okey, when I will be at home, I'll pass it.(this afternoon but maybe for you it's tomorrow because I'm in Spain and in India is GMT + 5.30 jaja) I don't have it on this computer. 

 

I'm highly surprised of the power of Hypermesh. I think I'll use it for all my PhD. (I'm starting right now ...)/emoticons/default_wacko.png' title=':wacko:' />" data-emoticon="" src="src" />/emoticons/default_laugh.png' title='' />

 

Thank you very much!

 

Altair Forum User

did you receive my file Prakash Pagadala?

Altair Forum User

Hi @Iulen

 

I see a lot of issues with the model. I will check and update you soon, 

Altair Forum User

Altair Forum User said:

Hi @Iulen

 

I see a lot of issues with the model. I will check and update you soon, 

Hi, 

 

I see, it's a complexity geometry. I'm trying to modify it to see if I can mesh it. I am also reading in order to perform some new technic because I'm a little lost in the topic.

 

In abaqus I can mesh the geom but the quality is not so good and then the time process is so high. I think if I improve the mesh I'll get better time calculation.

 

I appreciate your help and I'm waiting for new tipps.

 

 

Altair Forum User

Hi @Iulen

 

One of my colleagues is working on it and will share the file soon,

Pranav Hari

Hi Iulen

 

The free edges on the model has been fixed and the file is shared with you.

You can now do 3D tetra meshing as it encloses a volume.

Altair Forum User

Altair Forum User said:

Hi Iulen

 

The free edges on the model has been fixed and the file is shared with you.

You can now do 3D tetra meshing as it encloses a volume.

 

really??

 

the file has already been shared? I do not see where it is.

 

And how have you solved it?

 

Thank very much!

Pranav Hari

Hi Iulen

 

The file has been shared to your email. Hope you received it

The free edges were fixed and the surface was repaired to enclose an volume.

Altair Forum User

Hi, thank you. I received the email but I'm waiting for Altair server to obtain my license in Altair 2017 since I can not open the file.