On Thu, 06 Oct 2005 22:30:00 -0700, Robert Kern <[EMAIL PROTECTED]> wrote :
> Dennis Lee Bieber wrote: > > On Fri, 7 Oct 2005 01:12:22 +0200, Nicolas Pernetty > > <[EMAIL PROTECTED]> declaimed the following in > > comp.lang.python: > > > > > I'm aware of SimPy for discrete event simulation, but I haven't > > > found any work about continuous system. > > > I would like to develop a generic continous system simulator, and > > > so would be eager to join any open source effort on the subject. > > > > > >For instance, it would be useful for modelling an airplane with all > > > the dynamics (flight simulator). > > > > Unless that flight simulator is running on some big ugly ANALOG > > computer (the ones that used rheostats, transformers, and > > amplifiers), they all are really using discrete time intervals and > > computing values at those time points. Such computation may require > > integration of continuous functions from previous time step to > > current time step. > > I think Nicolas means "(discrete event) simulation" as opposed to > "discrete (event simulation)" and "(continuous system) simulation" as > opposed to "continuous (system simulation)". The methods used in SimPy > to model (discrete events) don't apply terribly well to simulating > many (continuous systems) like airplane dynamics. For example, an ODE > integrator would probably want to adaptively select its timesteps as > opposed to laying out a uniform discretization upfront. > Yes you are absolutely right. That's what I wanted to mean. Thanks -- http://mail.python.org/mailman/listinfo/python-list