[SciPy-User] lsoda vs. Coulomb friction
Charles R Harris
charlesr.harris at gmail.com
Thu Feb 4 11:37:07 EST 2010
On Thu, Feb 4, 2010 at 7:33 AM, Ryan Krauss <ryanlists at gmail.com> wrote:
> Thanks for all the excellent and thoughtful responses. I kind of
> expected Warren to yell at me to stop using smooth solvers on
> discontinuous systems and leave it at that. Your responses not only
> give me somethings to try, but make me feel like my question really
> was a good one.
>
> For now, I am basically following Anne's first suggestion:
>
> * Declare that when the discontinuity becomes important, the Coulomb
> friction model becomes too crude an approximation, and stop.
> (Obviously if the results agree with experiment this is unnecessary.)
>
>
That is sort of like the "switch" method in the reference I linked. That
looks like the easiest way to go for simple systems.
<snip>
Chuck
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.scipy.org/pipermail/scipy-user/attachments/20100204/c7208ea1/attachment.html>
More information about the SciPy-User
mailing list