[ODE] high accuracy cable physics

Nguyen Binh ngbinh at gmail.com
Mon Apr 16 23:04:59 MST 2007


Here is an old copy of a 2D engine:

http://www.cs.rpi.edu/~sberard/dvc/

And here is a simple note from Jeff Trinkle himself:

http://www.cs.rpi.edu/~nguyeb2/docs/rigid_body_lcp.pdf

On 4/17/07, Gazi Alankus <alanic at gmail.com> wrote:
> Having said all this, what are some simulation libraries that do more
> or less what ODE does and are scientifically accurate? Of course they
> don't have to be realtime at all.
>
> I searched for Stewart-Trinkle time stepper but didn't find anything
> useful except this link:
> http://www.cs.rpi.edu/~trink/sim_packages.html
>
> Could anybody recommend such libraries? I'll use it offline to verify
> things I do in real time in ODE.
>
> -Gazi
>
>
>
> On 16/04/07, Nguyen Binh <ngbinh at gmail.com> wrote:
> > ODE,Novodex physics models are not for accuracy. They all use a simple
> > approximation in contact and friction model. A better (in term of
> > accuracy) model can be found in Stewart-Trinkle time stepper. Also
> > collision detection plays a major role in energy lost.
> >
> > On 4/16/07, Mateusz Kula <toczka at smorfland.uni.wroc.pl> wrote:
> > > I have been doing some tests on ODE and NOVODEX and both of them have
> > > problems with energy conservation.
> > > They just aren't done for accuracy they are done for good looking in games
> > > etc.
> > >
> > > Mathew Kula
> > >
> > > On Mon, 16 Apr 2007, François Bruneau wrote:
> > >
> > > > Hello everyone,
> > > >
> > > > I'm currently considering ODE to develop a realtime simulator focused
> > > > on cable physics. The point is that ODE seems to be mainly used in the
> > > > gaming field, whereas the application I'm preparing is targeted to the
> > > > industry.
> > > > So, my questions are : Did anyone make use of ODE in a context other
> > > > than gaming (research, mechanical study...)? If so, was the accuracy
> > > > of the simulator satisfactory?
> > > >
> > > > Thanks in advance,
> > > >
> > > > François.
> > > >
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> >
> >
> > --
> > --------------------------------------------------
> > Binh Nguyen
> > Computer Science Department
> > Rensselaer Polytechnic Institute
> > Troy, NY, 12180
> > --------------------------------------------------
> >
> > _______________________________________________
> > ODE mailing list
> > ODE at ode.org
> > http://ode.org/mailman/listinfo/ode
> >
>


-- 
--------------------------------------------------
Binh Nguyen
Computer Science Department
Rensselaer Polytechnic Institute
Troy, NY, 12180
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