Hi Anton,
actually it is the third body and it's a clump (isClump=True). Clumps should
have a material too, shouldn't they?
Klaus
On Thu, 19 Jan 2012 06:31:09 PM Anton Gladky wrote:
> > Real getDampCoeff() { return material->damping; };
>
> Can you check here a material existence?
>
> Anton
>
> On Thu, Jan 19, 2012 at 8:14 AM, Klaus Thoeni <[email protected]>
wrote:
> > Hi guys,
> >
> > can anyone help me on this?
> >
> > Klaus
> >
> > On Thu, 12 Jan 2012 06:03:16 PM Klaus Thoeni wrote:
> >> Hi guys,
> >>
> >> as discussed with Bruno in Barcelona I need different non-viscous
> >> damping coefficients for different materials. I introduced this
> >> capability by adding a variable damping to the base class material
> >> which is initialised with NaN. The body class has a function
> >> getDampCoeff() and in
> >> NewtonIntegrator I use this function in order to change the damping
> >> coefficients. When running some examples it seems that everything works
> >> fine. However, I just run 'yade --test' and it gives me a seg fault:
> >>
> >> testVelocity (yade.TestSimpleClump)
> >> Clump: velocities of member assigned by NewtonIntegrator ...
> >> Segmentation fault
> >>
> >> I think I now where the problem is. In NewtonIntegrator I call something
> >> like:
> >>
> >> if(!isnan(b->getDampCoeff())) dampcoeff=b->getDampCoeff();
> >>
> >> where getDampCoeff() is defined in body.hpp as:
> >>
> >> Real getDampCoeff() { return material->damping; };
> >>
> >> I think the test doesn't have a material and therefore I get the seg
> >> fault. Right? How can we fix this so that I can commit the code?
> >>
> >> Klaus
> >
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