yade-users team mailing list archive

[Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx>]

>  
>
> I would like to know if it is possible to generate sphere during the 
> simulation.  It can be significantly reduce the amount of computing 
> during the simulation of initial condition since each group of spheres 
> can be calculated separately.
>
Like generating 100 spheres, computing 100 time increments, then add 
more spheres? I think you can.
>
>  
>
> Another issue is that if it is possible to deactivate the sphere 
> during the simulations, as I guess we can change the flag isDynamic in 
> sphere class and assign some velocity to the spheres. But is there any 
> way to delete them during the simulation?
>
For the moment no element deletion, because some interactions in some 
containers would point to non-existent elements. Yes, you need to set 
IsDynamic=false and move them elsewhere.

>  
>
> One of the advantage of DEM is that we  can observed the force network 
> as well as some other properties such as coordination number inside 
> the material. Can anyone give me some hints to draw a force network in 
> YADE?"
>

In the interface, go in "display", and activate the option 
"interacting_geometry", it will draw force network.
If, you have problems with the scaling factor (thikness of branches in 
the network), activate/desactivate the "interaction_wire" option; it 
will set the scaling to a value more relevant for your simulation.


>  
>
> Kien Dang
>
>  
>
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-- 
 
_______________
Chareyre Bruno
Maitre de conference

Institut National Polytechnique de Grenoble
Laboratoire 3S (Soils Solids Structures) - bureau E145
BP 53 - 38041, Grenoble cedex 9 - France
Tél : 33 4 56 52 86 21
Fax : 33 4 76 82 70 43
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