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by qingfeng.xia
Mon Nov 11, 2019 10:53 am
Forum: Install / Compile
Topic: How is smesh (salome mesh) module maintained in FreeCAD
Replies: 17
Views: 651

Re: How is smesh (salome mesh) module maintained in FreeCAD

I also got segment fault, if our research project will use netgen later, I may have time to investigate. for the time being, I may leave it as it is. There is patch for netgen 6.2, not sure how good it is. netgen license is GNU Lesser General Public License v2.1. it is compatible with FC, an easy wa...
by qingfeng.xia
Sat Nov 09, 2019 1:42 pm
Forum: Install / Compile
Topic: How is smesh (salome mesh) module maintained in FreeCAD
Replies: 17
Views: 651

Re: How is smesh (salome mesh) module maintained in FreeCAD

Good to hear this. I gave up on latest netgen and settled at 6.2.1808. But this also needs some patches to work. netgen 6.2 has been developed for 3 years, lots of change. If you mean patch is needed to work (not only to compiling), then I'd better to give up. I just use netgen in ubuntu (it may be...
by qingfeng.xia
Sat Nov 09, 2019 12:12 pm
Forum: Install / Compile
Topic: How is smesh (salome mesh) module maintained in FreeCAD
Replies: 17
Views: 651

Re: How is smesh (salome mesh) module maintained in FreeCAD

There is some breaking change in netget master, which I think I have fixed (netgen 6.2 and occt 7.3 all from ppa). On ubuntu 16.04, the compiler gcc 5 is not high enough to compile, I spent one hour to update g++ to make it works. I will give it anther test before I post. > " why did you split out s...
by qingfeng.xia
Sat Nov 09, 2019 12:05 pm
Forum: Install / Compile
Topic: Travis failures pybind11?
Replies: 7
Views: 415

Re: Travis failures pybind11?

I have updated salomemesh from 7.7 to 8.3, tetgen 6.2 has change that break smesh code in freecad. like excpetion and pybind11 macro, I fixed it by 2 latest commits. https://github.com/qingfengxia/SMESH further discussion on smesh is in another thread. https://forum.freecadweb.org/viewtopic.php?p=34...
by qingfeng.xia
Fri Nov 08, 2019 4:01 pm
Forum: Install / Compile
Topic: How is smesh (salome mesh) module maintained in FreeCAD
Replies: 17
Views: 651

Re: How is smesh (salome mesh) module maintained in FreeCAD

I split out salome geometry module, it is now on github https://github.com/ukaea/SGeom I managed to compiled smesh 8.3 with latest FreeCAD without netgen. Freecad test workbench does not complain any error. I will send a PR , can someone have a test on other platforms, windows. This smesh may not wo...
by qingfeng.xia
Tue Nov 05, 2019 4:35 pm
Forum: Install / Compile
Topic: How is smesh (salome mesh) module maintained in FreeCAD
Replies: 17
Views: 651

Re: How is smesh (salome mesh) module maintained in FreeCAD

great! thank you!, Salome 7.7 seems not quite ancient. it can stay in FreeCAD as it is

I will think about a tool to track the change and review the diff.

In my other parallel preprocessor project, I split out some function of Salome geom module, I will share a link once it is available.
by qingfeng.xia
Mon Nov 04, 2019 12:48 pm
Forum: Install / Compile
Topic: How is smesh (salome mesh) module maintained in FreeCAD
Replies: 17
Views: 651

How is smesh (salome mesh) module maintained in FreeCAD

Dear FCers, I am curious how smesh module, currently in freecad soource tree, is maintained, as opencascade and salome evolve? There needs some effort to split smesh out from salome, here is the salome 8.3 's extraction. https://github.com/LaughlinResearch/ who wrote python binding for smesh and occ...
by qingfeng.xia
Mon Sep 23, 2019 10:51 pm
Forum: FEM
Topic: FEM MeshBoundaryLayer Documentation discussion thread
Replies: 6
Views: 389

Re: FEM MeshBoundaryLayer Documentation discussion thread

I think it is too difficult to make boundary layer working robust (working for different kind of meshing algorithm), how about just remove this feature? It is only useful in CFD case, where near wall velocity gradient is very big, if there is turbulent flow, there is a requirement of the first layer...
by qingfeng.xia
Mon Sep 16, 2019 9:38 pm
Forum: Developers corner
Topic: Developers - if you want must FASTER local builds, install GNU ccache
Replies: 8
Views: 1876

Re: Developers - if you want must FASTER local builds, install GNU ccache

More information found at https://github.com/qingfengxia/FreeCAD_Mod_Dev_Guide/blob/master/chapters/9.FreeCAD%20Module%20testing%20and%20debugging.md#ccache-to-accelerate-compilation The link was a bit outdated, here is the 2019 one https://github.com/qingfengxia/FreeCAD_Mod_Dev_Guide/blob/master/c...
by qingfeng.xia
Wed Sep 11, 2019 11:26 am
Forum: FEM
Topic: Feature: add extra FemMesh mesh file export format, potentially usable by other solvers
Replies: 27
Views: 2265

Re: Feature: add extra FemMesh mesh file export format, potentially usable by other solvers

still ... have a look at https://github.com/berndhahnebach/FreeCAD_bhb/commits/femgmshexport in commit https://github.com/berndhahnebach/FreeCAD_bhb/commit/c26f6c4515ad748af73f7f4b8fcf20c334acfaf7 your group code differs quite a lot from master group code. Would you give some hints ... ? I copy/res...

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