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Simple example

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16 years 3 months ago #2516 by DB
Simple example was created by DB
I am currently taking an FEA class where we are using ANSYS. I can not afford
a 10000 dollar piece of software so I have been trying to duplicate my assignments
using Salome Aster.

While I have gone through the piston tutorial, I find myself unable to construct a
simple truss example. I can create the geometry, but I am unable to create the mesh.
Is there a tutorial on doing a simple truss structure in Salome?
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16 years 3 months ago #2517 by Claus
Replied by Claus on topic Re:Simple example
I can't help you with a working example, but I can direct you to the testcases for CodeAster:

babelfish.yahoo.com/translate_url?doit=d...p;btnTrUrl=Translate

These are the examples for static cases; take a look at e.g. www.code-aster.org/DOCASTER/Man_V/V3/V301012a.pdf

Edit: I have a working test case 'ssll105a' - see if you can use anything from it :)

can't get the file to appear in the post - let me know if you want it
[Testcase_ssll105a.tar.gz]<br /><br />Post edited by: Claus, at: 2009/01/22 20:13

Code_Aster release : STA11.4 on OpenSUSE 12.3 64 bits - EDF/Intel version
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16 years 3 months ago #2518 by DB
Replied by DB on topic Re:Simple example
Thanks for the references, but those appear to just be examples.
I could be missing something of course. I do not know french.

Basically I need something that can tell me how to go from the
simple truss geometry to a mesh. I just have points and
lines. No 3D involved. I am not sure how to convert that into a mesh.
The flash examples I saw are 3D objects.

I would think I could find tutorial on a university class site, but
I had no success there.
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16 years 3 months ago #2520 by Claus
Replied by Claus on topic Re:Simple example
I've created one for you. You can open the HDF in Salomé and figure it out yourself, but heres the procedure:

*Geometry module

Create your points

Connect the points with lines

New entity -&gt; build compound -&gt; hold control down and select all the lines.

*Enter the mesh module

New mesh -&gt; select the compound in the 'geo' list

Select 'wire discretion' and select 'average length'= 1 (since my geo is small)

Compute the mesh

Create node and element groups

Export the mesh to unv or med


Do your magic in CodeAster - can't help you there, haven't really messed with 'poutre' beams.

Hope this helps :)

Attachment 1D_Beam.gz not found

<br /><br />Post edited by: Claus, at: 2009/01/23 03:06

Code_Aster release : STA11.4 on OpenSUSE 12.3 64 bits - EDF/Intel version
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16 years 3 months ago #2521 by Claus
Replied by Claus on topic Re:Simple example
heres the image - im stating to hate Joombla :pinch:


Code_Aster release : STA11.4 on OpenSUSE 12.3 64 bits - EDF/Intel version
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16 years 3 months ago #2527 by DB
Replied by DB on topic Re:Simple example
Thanks for the help Claus. I have managed to get the mesh created now.
Now I am trying to figure out the Aster part.
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