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LIAISON_MAIL shell - solid

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10 years 11 months ago #7612 by Comment
Replied by Comment on topic Re: LIAISON_MAIL shell - solid
Hi keeswouters!

Ok cool! I will study that you have done :)

Otherwise, my model has a gap because I took the mid surface of my cylinder which have a thickness of 2.5mm, is there another way to model this without a gap?

Thanks a lot for your work,

Dany
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10 years 11 months ago - 10 years 11 months ago #7613 by kwou
Replied by kwou on topic Re: LIAISON_MAIL shell - solid
Hoi Dany

with coque_3d you can add an eccentricity to the mesh plane. In your case an eccentricity of 2.5 mm could be added and placing the shell directly to the solid elements. What I did is exactly that (without eccentricity). I used the top plane in my ''head'' model of the solid that automaticly generate tria6 or quad8 elements on the surface of the solid.
Then in the command file the tria6 elements are converted to coqued_3d (shell) elements. The top has been extended outwards. The centre nodes do not cause any trouble here (apart from the post processing in paraviz, I still cannot visualise combined solids and coque_3ds easily (not even the hard way)).
Donot aks me why I called it ''head'' model. The answer would disappoint you.
Interest: structural mechanics, solar energy (picture at 'my location' shows too little pv panels)

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kind regards - kees
Last edit: 10 years 11 months ago by kwou.
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10 years 11 months ago #7614 by Comment
Replied by Comment on topic Re: LIAISON_MAIL shell - solid
Ok thanks!

I was not sure about how to do this...

So I hope that I will be able to connect my parts with your method B)

I will try tomorrow and post the result.

Nice evening,

Dany

(For the name, I think to have an idea...)
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10 years 11 months ago #7616 by Comment
Replied by Comment on topic Re: LIAISON_MAIL shell - solid
Hoi keeswouters!

So I applied your method today and it solves the problem with the central nodes but now I have singularities inside the matrix and the calculation is not converging....this problem will make me crazy :blink:

Do you think that it can be that my surfaces are two cylinders and not two plans?
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10 years 11 months ago #7618 by kwou
Replied by kwou on topic Re: LIAISON_MAIL shell - solid
Hoi Dany

do you have a single cylinder now? And the cylinder is part of the solid or are they still two seperate bodies?
Can you upload the hdf file once more (I didnot manage to rebuilt your previous model accordingly due to 'time constraints', ie lack of priorities).
Interest: structural mechanics, solar energy (picture at 'my location' shows too little pv panels)

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kind regards - kees
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10 years 11 months ago #7620 by Comment
Replied by Comment on topic Re: LIAISON_MAIL shell - solid
Hi keeswouters!

So I tried to follow your model by using the surface of the hole in order to create a shell part. To this inside shell, I also add an external one for applying the load, as you did with the plate....

Otherwise, I have to thank you for the time you pass to help me, I really appreciate.

www.dropbox.com/s/p4g88dd8lytlpiz/test_kee.tar.gz
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