"Apache" <apa### [at] yahoocom> wrote in message
news:3e025a2b$1@news.povray.org...
> I agree with Christoph Hormann. Probably you have an overflow error (which
> doesn't show apparently) caused by stiff equations. Does SimPOV use 4th
> Runge Kutta? It's much more stable and requires less small time steps.

No, it uses forward euler (the setting I'm using) and second order (heun)(which I
haven't yet
used). I too am expecting the problem to be my choice of settings... I already think I
may
have been using a much too small value for radius.

All the best,

Andy Cocker

Post a reply to this message