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by makkemal
Mon Jan 08, 2018 9:27 am
Forum: FEM
Topic: Newbie - "Preparing input files" error
Replies: 12
Views: 1082

Re: Newbie - "Preparing input files" error

I can run your test problem
Please check in your FEM preferences that you are pointing to an existing ccx.exe I have see this behaviour before if that file does not exist
by makkemal
Wed Jan 03, 2018 9:58 am
Forum: FEM
Topic: Fem constraint contact
Replies: 134
Views: 17927

Re: Fem constraint contact

I have not used this in a while
Still works fine on latest master
contact.PNG
contact.PNG (191.29 KiB) Viewed 855 times
I attache example based on latest master

Regards
Michael
by makkemal
Sun Dec 17, 2017 4:27 pm
Forum: Help on using FreeCAD
Topic: Face multi selection tool wanted
Replies: 12
Views: 1123

Re: Face multi selection tool wanted

FEM has been looking for a tool like this for a while.
Please post the code you use to do the demo

Regards
Michael
by makkemal
Thu Dec 14, 2017 5:48 am
Forum: CfdOF / CFD
Topic: integration of snappyhexmesh from cfd
Replies: 8
Views: 1169

Re: 2 layer wall: temperature calculation

They have mesh regions built in for cfmesh which creates hex mesh
cfmesh.PNG
cfmesh.PNG (171.7 KiB) Viewed 1180 times
They also have a nice selection filter for surfaces.
A feature I have been missing in FEM
selection.PNG
selection.PNG (10.99 KiB) Viewed 1180 times
The only problem I see for FEM is the Wedge elements
hex.PNG
hex.PNG (89.54 KiB) Viewed 1180 times
by makkemal
Wed Dec 13, 2017 3:07 pm
Forum: CfdOF / CFD
Topic: integration of snappyhexmesh from cfd
Replies: 8
Views: 1169

Re: 2 layer wall: temperature calculation

Maybe see how you can use cfmesh from the CFD workbench
https://forum.freecadweb.org/viewtopic. ... 6&start=70
This mesher may be useful for FEM
by makkemal
Thu Nov 16, 2017 12:11 pm
Forum: Help on using FreeCAD
Topic: FCInfo Macro
Replies: 70
Views: 8356

Re: FCInfo Macro

The macro also does nothing when I run it. It used to work about 6 months ago OS: Windows 10 Word size of OS: 64-bit Word size of FreeCAD: 64-bit Version: 0.17.12595 (Git) Build type: Release Branch: master Hash: 8c7bb0cd551cf11551ff71d716a16211c6d5e13d Python version: 2.7.8 Qt version: 4.8.7 Coin v...
by makkemal
Wed Oct 11, 2017 4:42 pm
Forum: FEM
Topic: Display principal stresses
Replies: 39
Views: 3386

Re: Display principal stresses

Very useful feature. I am testing a bit it seems to work fine
by makkemal
Tue Oct 10, 2017 5:04 pm
Forum: FEM
Topic: Calculix 2.15 Available for download
Replies: 15
Views: 1365

Calculix 2.15 Available for download

http://www.dhondt.de/new_calc.htm Procedures Introduced CETOL on the *VISCO card in order to control the viscous strain increase within a time increment Changed the requirements on initial values for networks: initial values are required now at all open end and all crossing points in the network. I...
by makkemal
Tue Oct 10, 2017 5:03 pm
Forum: FEM
Topic: FEM useless at the moment?
Replies: 17
Views: 1172

Re: FEM useless at the moment?

Post your file. I will show you
You need fixed or displacement constraints

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