Question about beam calculation with calculix

About the development of the FEM module/workbench.

Moderator: bernd

thschrader
Posts: 1478
Joined: Sat May 20, 2017 12:06 pm
Location: Germany

Re: Question about beam calculation with calculix

Post by thschrader » Sat Jan 11, 2020 5:37 pm

Hi Bernd,
my old FC0.17 dev-snapshot uses ccx-version 2.12 from FC ..bin/folder.
ccx_2_12.JPG
ccx_2_12.JPG (32.14 KiB) Viewed 119 times
Here is another test example.
frame_test_1D.FCStd
(124.69 KiB) Downloaded 4 times
3x4 m frame, rectangular profile 100x60 mm, material calculix-steel.
On FC0.17 not possible to get vertical tangent at fixings for deflection line.
On newest FC0.19 dev-snapshot it works (with new ccx in /bin folder)
thschrader
Posts: 1478
Joined: Sat May 20, 2017 12:06 pm
Location: Germany

Re: Question about beam calculation with calculix

Post by thschrader » Sat Jan 11, 2020 5:44 pm

I forgot a pic...
frame_1D.JPG
frame_1D.JPG (50.09 KiB) Viewed 117 times
User avatar
bernd
Posts: 8959
Joined: Sun Sep 08, 2013 8:07 pm
Location: Zürich, Switzerland

Re: Question about beam calculation with calculix

Post by bernd » Sat Jan 11, 2020 8:13 pm

On which ccx version does it give the correct ones?
thschrader
Posts: 1478
Joined: Sat May 20, 2017 12:06 pm
Location: Germany

Re: Question about beam calculation with calculix

Post by thschrader » Mon Jan 13, 2020 8:21 am

bernd wrote:
Sat Jan 11, 2020 8:13 pm
On which ccx version does it give the correct ones?
ccx2.15 gives good result for beam-test from ickby (z-deflection 0,37 mm).
frame-deflection is too high, calculated 6 mm, should be approx 2 mm.
done with
OS: Windows 10 (10.0)
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.19.19181 (Git)
Build type: Release
Branch: master
Hash: 2504247d65271b937dd5f033a0efff9c0d7bf375
Python version: 3.6.8
Qt version: 5.12.1
Coin version: 4.0.0a
OCC version: 7.3.0
Locale: German/Germany (de_DE)
result_beam_frame_ccx2_15.JPG
result_beam_frame_ccx2_15.JPG (97.25 KiB) Viewed 73 times
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