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by mac_the_bike
Thu Nov 14, 2019 1:53 pm
Forum: Install / Compile
Topic: Unknown CMake command "generate_from_xml", Version 2
Replies: 6
Views: 531

Re: Unknown CMake command "generate_from_xml", Version 2

... I didn't realise that the version I downloaded was 19. ... Otherwise there is no need for a response; I just want to make you aware of these problems, which may be of my making. If you got the source code from git, of course you are getting the 0.19 version, as it's the development version. The...
by mac_the_bike
Thu Nov 07, 2019 12:27 pm
Forum: Install / Compile
Topic: Unknown CMake command "generate_from_xml", Version 2
Replies: 6
Views: 531

Re: Unknown CMake command "generate_from_xml", Version 2

... I didn't realise that the version I downloaded was 19. ... Otherwise there is no need for a response; I just want to make you aware of these problems, which may be of my making. If you got the source code from git, of course you are getting the 0.19 version, as it's the development version. The...
by mac_the_bike
Wed Nov 06, 2019 12:08 pm
Forum: Install / Compile
Topic: Unknown CMake command "generate_from_xml", Version 2
Replies: 6
Views: 531

Re: Unknown CMake command "generate_from_xml", Version 2

What should I do to proceed? cmake ../src ../src ist wrong directory. Choose ../ instead. Thanks for the answer. Sorry it has been some time from your response but I then tried to compile freecad but I am having compilation problems. I have spent 2 weeks trying to resolve them but I am now stuck. U...
by mac_the_bike
Wed Oct 23, 2019 3:10 pm
Forum: FEM
Topic: Additional Output for Checking the FEM solution
Replies: 0
Views: 988

Additional Output for Checking the FEM solution

Is it possible to have calculix display the following information and make it available to freecad: the Condition Number of the stiffness matrix the reactions at the constraints the "resultant" of the reactions about the origin the "resultant" of the applied loads about the origin THE CONDITION NUMB...
by mac_the_bike
Wed Oct 16, 2019 3:40 pm
Forum: Install / Compile
Topic: Unknown CMake command "generate_from_xml", Version 2
Replies: 6
Views: 531

Unknown CMake command "generate_from_xml", Version 2

Unknown CMake command "generate_from_xml", Version 2 I am trying to generate a dev version of freecad and I have been following the steps in: http://www.freecadweb.org/wiki/CompileOnUnix using "Out-of-source Build". I have downloaded the source thus: git clone https://github.com/FreeCAD/FreeCAD.git...
by mac_the_bike
Tue Oct 08, 2019 10:48 am
Forum: FEM
Topic: FEM - Dynamic Loads?
Replies: 17
Views: 1811

Re: FEM - Dynamic Loads?

A quick question, what program are you using to make that picture with results? CalculiX cgx the post processor of CalculiX ccx Yup. Better use FreeCAD though :D HarryvL, bernd and JensElmo -- Steady State Dynamics: Sorry this is a bit late (by 1 year!) but have checked that you are plotting the di...
by mac_the_bike
Mon Sep 16, 2019 3:16 pm
Forum: Python scripting and macros
Topic: Animation of Mode Shapes after Frequency/vibration Analysis
Replies: 10
Views: 784

Re: Animation of Mode Shapes after Frequency/vibration Analysis

@mac_the_bike do you mind making a short screencast of this so it's easier for the devs and users to understand what you've done ? @bernd have you seen this ? I have attached a screenshot of the UI. All the input fields are integers apart from the "factor" which can be a "real" number less than 1.0...
by mac_the_bike
Thu Sep 12, 2019 10:55 am
Forum: Python scripting and macros
Topic: Animation of Mode Shapes after Frequency/vibration Analysis
Replies: 10
Views: 784

Re: Animation of Mode Shapes after Frequency/vibration Analysis

Thanks. I will have a go at putting it on GITHUB. Now the reason for this post: I was modifying the code of the "UI" and I noticed that there is a bug in the python code, so I am reattaching the 2 files. bug: the definition of "mesh_obj" was in the wrong place The "factor" box will now take "real" n...
by mac_the_bike
Wed Sep 04, 2019 12:21 pm
Forum: Python scripting and macros
Topic: Animation of Mode Shapes after Frequency/vibration Analysis
Replies: 10
Views: 784

Animation of Mode Shapes after Frequency/vibration Analysis

I have been searching, amongst the FREECAD documentation, for a method to animate mode shapes after running CalculiX. I couldn't find anything appropriate, although that doesn't mean there is nothing there. The attached MACRO was written to animate mode shapes generated by CalculiX running within FR...
by mac_the_bike
Wed Sep 04, 2019 11:37 am
Forum: FEM
Topic: extraction of negative eigenvalues
Replies: 35
Views: 1368

Re: extraction of negative eigenvalues

I didn't realize that my post would generate so many useful comments. bernd: Re: Sun Jun 30, 2019 7:45 pm Yes, from a "mechanical point of view" all eigenvalues are greater than or equal to 0.0. But we are dealing with a mathematical model and its accuracy is limited eventually by the precision of t...

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