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Re: [deprecated list] Sheltering Implementation (force reduction based on relative position)


Ok, thank you for information! I have to think about it for making decision.

My task is to simulate rocks with destruction possibility.

Actually I have started my own program for that, but it is 2D model. So know
I should migrate to 3D, using my program or something another.

What is your opinion, is it really difficult to learn YADE for adding new

Best Regards / Mit freundlichen Grüßen /  С наилучшими пожеланиями

Anton Gladkyy

2009/4/18 Janek Kozicki <janek_listy@xxxxx>

> Václav Šmilauer said:     (by the date of Sat, 18 Apr 2009 15:35:13 +0200)
> >
> > > I need to simulate mining rocks with possibility its destruction.
> > > Can YADE lattice model be suitable for that? I can code C++ so I can
> > > add my code.
> > Janek's lattice model is only for concrete and is suitable only for
> > tension, IIRC. So no, you need your own model for that; if you know c++,
> > it should be fairly straightforward (but not necessarily easy). Vaclav
> not exactly. lattice works with compression, but has one limitation
> I never came around to fix - it doesn't have collision detection with
> itself. Once something breaks into two halves, they can overlap if
> they move onto each other. But I didn't need to fix this for my
> calculations, because the deformations were so small, that if
> something breaks - it doesn't move more than the crack size.
> concrete is a fake rock, lattice will work for rock fracturing,
> subject to collisions limitation. Adding collisions is possible by
> enveloping a lattice mesh into a polyhedron and use collision
> detection between polyhedrons. A bit of work, though.
> Lattice can not do dynamics, though. No impacts, etc. Only
> quasi-static simulations.
> --
> Janek Kozicki                                                         |
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