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Re: How do I create a tunnel/slope?

 

As I understand, you want to research slope and tunnel stabilities?
In this case you need to have something with destruction opportunity.

See RockPM or ConcretePM. Or you can create yours on its base.
______________________________

2009/10/27 Václav Šmilauer <eudoxos@xxxxxxxx>

>
> > Hi, I am a new user.  I have sufficiently understood the
> > general purpose of Engines/Preprocessors and where to find the Contact
> > Laws.  My intention is to explore the possibility of using YADE to
> > create a slope or a tunnel (separate problems).  I understand that
> > 'boxes' are used to surround the particles to contain them in a 3D
> > space, when isDynamic != 0.  However, I would like the face of the
> > slope to be 'free', and would also want the tunnel perimeter/arc to be
> > 'free'.  How do I arrange the particles to make a slope?  How do I
> > remove particles to make a tunnel?  Of course, there could be other
> > techniques.  Please help.
> Don't use boxes, use facets instead, they let you create arbitrary
> triangular mesh (and are better supported anyway). See
> scripts/test/gts-horse.py (for import from gts), examples/mill.py (for
> explicit construction of the surface from individual triangles),
> examples/STLImportTest.py (import of the mesh from STL file),
> examples/cyl.py (triangulating polylines in space).
>
> Also see documentation at http://beta.arcig.cz/~eudoxos/yade/epydoc/<http://beta.arcig.cz/%7Eeudoxos/yade/epydoc/>
> ,
> notably the module yade.pack and functions gtsSurface2Facets
> <
> http://beta.arcig.cz/%7Eeudoxos/yade/epydoc/yade.pack-module.html#gtsSurface2Facets
> >,
> sweptPolylines2gtsSurface
> <
> http://beta.arcig.cz/%7Eeudoxos/yade/epydoc/yade.pack-module.html#sweptPolylines2gtsSurface
> >
> and revolutionSurfaceMeridians
> <
> http://beta.arcig.cz/%7Eeudoxos/yade/epydoc/yade.pack-module.html#revolutionSurfaceMeridians
> >
> (which you might use for complex tunnel shape).
>
> Cheers, Vaclav
> >
> > New Windows 7: Find the right PC for you. Learn more.
> > <http://windows.microsoft.com/shop>
> Oh, cool.
>
>
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