Re: [ibsimu-forum] Too small step size exception at high beam current densities

[Daniel C <the...@gm...>]

Ah, never mind, of course I found the solution immediately after sending
this email. I just set set_max_steps() to a low value and the problem
disappeared.

Sorry for the trouble.

On Mon, Jun 18, 2018 at 9:45 PM Daniel C <the...@gm...> wrote:

> Hello!
>
> This program is incredible. I spent nearly a week fighting with ElmerFEM
> trying to get the same results as half an hour with this library. Thank you
> very much for making it open source.
>
> I'm having a small problem when simulating high beam current densities and
> low beam energies; 500 A/m and 50eV seems to reliably cause the issue; the
> meshvectorfield grid size parameter doesn't seem to affect it. I'm assuming
> this is a convergence issue of some sort? Specifically, I get:
>
> "Error in particleiterator.hpp:1346 in operator()(): too small step size",
>
> which is "if( x2[0] == x[0] )" in the related file. This seems to be the
> same issue as https://sourceforge.net/p/ibsimu/mailman/message/32341734/,
> but there was no conclusion there.
>
> Sorry for the waste of time, I just couldn't figure this out.
>
> Thanks again.
>
>
>