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by mfasano
Thu Apr 02, 2020 1:06 pm
Forum: Python scripting and macros
Topic: searching for solid objects in a document
Replies: 1
Views: 40

searching for solid objects in a document

I would like to search a document for solid objects. I don't know how to distinguish a compound and a solid object that is part of the compound and one that is not. below is a FreeCAD file with a cube and a cylinder that is fused and a cube that is separate. The code checks for ShapeType, but I don'...
by mfasano
Thu Apr 02, 2020 12:41 pm
Forum: Open discussion
Topic: Freecad Animation Workbench
Replies: 1
Views: 70

Re: Freecad Animation Workbench

how to create pendulum in freecad animation workbench ? do u have any tutorial for that. I am new here. thanks I am working on a pre and post processor for a multibody dynamics program called MBDyn. The pendulum is a problem I am starting with. I am afraid it will take some time before I get to the...
by mfasano
Fri Mar 27, 2020 1:50 pm
Forum: FEM
Topic: FreeCAD as pre-post procesor for MBDyn
Replies: 119
Views: 9653

Re: FreeCAD as pre-post procesor for MBDyn

@louisgag;

I emailed Zanoni using the address he has on his profile I got by selecting his name in the team list in the MBDyn web site. I did not include you.
by mfasano
Fri Mar 27, 2020 1:17 pm
Forum: FEM
Topic: FreeCAD as pre-post procesor for MBDyn
Replies: 119
Views: 9653

Re: FreeCAD as pre-post procesor for MBDyn

Ok that's nice of you. Just make sure Zanoni is in the loop, otherwise you risk going on a tangent that he doesn't approve of and, as is often the case with open-source software, end up developing you own code which has nothing to do with the original one anymore. I told him you go in touch with hi...
by mfasano
Thu Mar 26, 2020 4:16 pm
Forum: FEM
Topic: FreeCAD as pre-post procesor for MBDyn
Replies: 119
Views: 9653

Re: FreeCAD as pre-post procesor for MBDyn

I am interested in helping out. I don't care if you use any of my code. I think Jose is further a long anyway. I was just experimenting with storing the MBDyn inputs in scripted objects. I'm wondering if a spread sheet may be a better way to store the data. Another way is write code that reads the i...
by mfasano
Thu Mar 26, 2020 12:58 pm
Forum: FEM
Topic: FreeCAD as pre-post procesor for MBDyn
Replies: 119
Views: 9653

Re: FreeCAD as pre-post procesor for MBDyn

I am in the process of writing instructions in the wiki of repository. I am a windows user, and I am using version 19. I don't know if that is the problem. You need to start with the IVP command and set initial values. when you click ok there it creates an initial values object as well as a few fold...
by mfasano
Wed Mar 25, 2020 8:49 pm
Forum: FEM
Topic: FreeCAD as pre-post procesor for MBDyn
Replies: 119
Views: 9653

Re: FreeCAD as pre-post procesor for MBDyn

I will restructure my code. I will not be using the namespace workbench at this time. Thanks vocx. Would it be possible to structure the code how the current Draft Workbench does it? I think many workbenches just throw their files in the root directory and this is very messy. Also many combine graph...
by mfasano
Wed Mar 25, 2020 12:39 pm
Forum: FEM
Topic: FreeCAD as pre-post procesor for MBDyn
Replies: 119
Views: 9653

Re: FreeCAD as pre-post procesor for MBDyn

Here is a test model and resulting input file. It is a double pendulum . I didn't bother to change the units; I guess MBDyn uses SI units, FreeCAD uses mm for length.
by mfasano
Wed Mar 25, 2020 9:38 am
Forum: FEM
Topic: FreeCAD as pre-post procesor for MBDyn
Replies: 119
Views: 9653

Re: FreeCAD as pre-post procesor for MBDyn

I have been working on preprocessing MBDyn with FreeCAD. I have modified MBDyn's GSOC project by experimenting with scripted objects. The MBDyn model gets saved in scripted objects. A write command used the scripted objects to write a MBDyn input file. I have a command to create rigid bodies; when y...
by mfasano
Fri Feb 14, 2020 12:26 am
Forum: FEM
Topic: FreeCAD as pre-post procesor for MBDyn
Replies: 119
Views: 9653

Re: FreeCAD as pre-post procesor for MBDyn

Pd. Does anyone have any idea on how to install/compile? MBDyn under Windows? Not sure if not being able to execute it in Windows will be a limitation? I do not have any issue working only with Linux, but this may reduce the number of people using/interested on the workbench, no? Here are instructi...

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