Big deformations ?

About the development of the FEM module/workbench.

Moderator: bernd

amka
Posts: 62
Joined: Thu Sep 03, 2015 6:28 pm

Big deformations ?

Postby amka » Tue Jun 04, 2019 2:40 pm

Hi,

It seems that it's no big deformations in freecad fem solver, isn't it ? I only want to be sure I have to use salome-meca by example for that.

Best regards,

amka


OS: Debian GNU/Linux 9 (stretch) (MATE/lightdm-xsession)
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.19.16854 (Git) AppImage
Build type: Release
Branch: master
Hash: fe0fd5512ba9a8a9c729cdc47af35bbe965050ac
Python version: 3.7.1
Qt version: 5.6.2
Coin version: 4.0.0a
OCC version: 7.3.0
Locale: French/Switzerland (fr_CH)
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bernd
Posts: 8472
Joined: Sun Sep 08, 2013 8:07 pm
Location: Zürich, Switzerland

Re: Big deformations ?

Postby bernd » Tue Jun 04, 2019 3:15 pm

amka wrote:
Tue Jun 04, 2019 2:40 pm
It seems that it's no big deformations in freecad fem solver, isn't it ? I only want to be sure I have to use salome-meca by example for that.
What exactly do you mean by big deformations? Calculix supports geometric nonlinear analysis. They can be triggered from within FreeCAD too. Just have a look at all the Calculix solver parameter in solver object.

bernd
Jee-Bee
Posts: 1966
Joined: Tue Jun 16, 2015 10:32 am
Location: Netherlands

Re: Big deformations ?

Postby Jee-Bee » Fri Jun 07, 2019 10:09 am

according to https://feacompare.com/ both calculix and Code_Aster/Salome-Meca should be able to handle large displacements.
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makkemal
Posts: 395
Joined: Wed Apr 29, 2015 12:41 pm
Location: South Africa
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Re: Big deformations ?

Postby makkemal » Tue Jun 25, 2019 10:18 am

Enable non-linear geometry in ccx solver option for large deformations in Calculix