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by mfasano
Fri Jul 03, 2020 10:54 pm
Forum: Open discussion
Topic: FreeCAD 3D constraints solver
Replies: 2
Views: 265

Re: FreeCAD 3D constraints solver

Here is a discussion of a recent effort.

https://forum.freecadweb.org/viewtopic.php?f=20&t=40525
by mfasano
Thu Jul 02, 2020 12:58 pm
Forum: Python scripting and macros
Topic: Paper comparing OpenSCAD with FreeCAD
Replies: 1
Views: 202

Paper comparing OpenSCAD with FreeCAD

Here is a paper I came across. I don't know if it has been discussed before. It compares scripting in FreeCAD with OpenSCAD. They conclude that FreeCAD is harder to model with scripting, but added flexibility and being able to write to formats like STEP, make it the better option. https://www.ncbi.n...
by mfasano
Sun Jun 28, 2020 7:34 pm
Forum: FEM
Topic: FreeCAD as pre-post processor for MBDyn
Replies: 134
Views: 15214

Re: FreeCAD as pre-post procesor for MBDyn

I am interested to help in the development of the pre/post procesor mbdyn/freeCAD if the project is still ongoing. Did you get in contact with the mbdyn developer team? if yes, is the project "validated"? Who could I help you on the project? I am still working on it. I have created code to add the ...
by mfasano
Wed May 13, 2020 12:43 pm
Forum: Open discussion
Topic: Homogeneize general selection and picking all across Freecad.
Replies: 11
Views: 572

Re: Homogeneize general selection and picking all across Freecad.

Would making a start for this be a good GSoC project? It may be too ambitious. That would give us almost a year to come up with some consensus of what the interface should be.
by mfasano
Mon May 04, 2020 9:33 am
Forum: FEM
Topic: FreeCAD as pre-post processor for MBDyn
Replies: 134
Views: 15214

Re: FreeCAD as pre-post procesor for MBDyn

It is simple once you have an assembly4 model. There are few input fields you need to type. I only have code for revolute joints so it is very limited, but FreeCAD and MBDyn are comprehensive. I may try a 4-bar linkage as an example next. I should have instructions soon.
by mfasano
Sun May 03, 2020 1:50 pm
Forum: FEM
Topic: FreeCAD as pre-post processor for MBDyn
Replies: 134
Views: 15214

Re: FreeCAD as pre-post procesor for MBDyn

I added post processing to the ASM4 branch to my code. There would not be too many changes to add the post processing to the branch that does not use Assembly4, but I like Assembly4. I fixed the problem I had with orientation matraces of the joints by switching to 2 vector instead of Euler angles de...
by mfasano
Thu Apr 30, 2020 11:21 pm
Forum: Python scripting and macros
Topic: Qtimer test not working
Replies: 4
Views: 217

Re: Qtimer test not working

I would like to use the Qtimer for animation, but I can't get it to work even with this simple script. This does not work even if I just put a pass inside the while loop. I find it strange it works when in debug mode. The PrintMessages are just proof update function and the while loop are working. I...
by mfasano
Thu Apr 30, 2020 7:02 pm
Forum: Python scripting and macros
Topic: Qtimer test not working
Replies: 4
Views: 217

Qtimer test not working

I am trying to test Qtimer with this script. It works well in debug mode but it locks up just running it. import FreeCAD as App import FreeCADGui as Gui from PySide2 import QtCore class time(): def __init__(self): self.timer = QtCore.QTimer() self.timer.timeout.connect(self.update) self.count = 0 de...
by mfasano
Tue Apr 28, 2020 8:16 pm
Forum: Assembly
Topic: Assembly 4 workbench
Replies: 740
Views: 100221

Re: Assembly 4 workbench

what do you mean by " disable the expression engine " ? On all parts, or some of them ? It seems the I may not need it; the placement of the parts is updating on the view screen without recompute. It may not matter, but I would like to return it to the way it was at the end. recompute at the end re...

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