yade-dev team mailing list archive

[Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx>]

Ok for the solution below.
Besides, I'm on the way to remove the dyn_casts in  Ip2_FM, using 
genericSpCont, and I see this :

else if(d3dg){Da=d3dg->refR1>0?d3dg->refR1:2*d3dg->refR2; 
Db=d3dg->refR2>0?d3dg->refR2:d3dg->refR1;

Apparently, the equations are not symmetric and the radius of the 
virtual sphere will be 2*r "sometimes"...
I suggest using 1*r in all cases, but this is the sort of thing that 
will modify results (at least slightly) for everybody.

Sorry for the crasher that you fixed. On my side, I'm going to commit a 
fix for callbacks without OpenPM. ;)

Bruno

Václav Šmilauer a écrit :
> > Ok, you need Young, I was expecting that. I think I will create a new 
> > class then.
> >     
>
> I found a way to define deprecated attributes (with warnings etc) to
> keep older scripts runnable (not yet commited). In that case we could
> agree on modifications of ElastMat. 
>
> 1. What is disturbing for me in what you propose is the difference Kn
> vs. kn. That is too close. I wouldn't mind keeping young (as everybody
> knows that Young's modulus has dimension of [Pa]; and we might just
> document that it is not modulus of the packing etc as we discussed), but
> you probably do...
>
> 2. Remove poisson, replace it by ksDivKn (I have attributing with the
> same significance CpmMat::G_over_E; it is a misnomer, since it is not
> directly related to shear modulus; no pain to change that)
>
> FrictMat would additionally define friction angle, just like it does
> now.
>
> That way we could keep things same for both of us.
>
> I think the original ElastMat::{young,poisson} were really meant as
> continuum parameters, since there was also FEM model in yade IIRC; that
> is no longer concern, it seems.
>
> v
>
>
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--
_______________
Bruno Chareyre
Associate Professor
Grenoble INP
Lab. 3SR
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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