[ODE] QuickStep solver checked in

Shaul Kedem shaul_kedem at yahoo.com
Tue May 18 12:57:12 MST 2004


Russ,
 Would you like bug reports sent to the list as well?

 I'll assume you do;
 - the test_boxstack more readely explodes now
 - pressing 'f' in  test_crash crashes the program

 Hope that helps :-)

 Keep up the great work,
Shaul

--- Russ Smith <russ at q12.org> wrote:
> 
> hi all,
> 
> i've added the quickstep solver to CVS and also
> regenerated the source
> distribution and documentation. look in the docs
> under the new "world /
> stepping functions". there is a significant amount
> of tweaking left to
> do, but this early version should be good for many
> things.
> 
> i've also added a few functions that are useful for
> solving some
> problems that commonly arise when dealing with
> contacts, see the
> "world / contact parameters" section in the docs.
> 
> the boxstack demo has been updated to use quickstep,
> and to pile up to
> 100 bodies.
> 
> the new solver is of course less accurate than the
> big matrix solver,
> and this inaccuracy is manifested in the boxstack
> demo mainly by
> slipping of the contacts. to fix this problem, some
> contact coherence
> code should be written to make sure that sticking
> contacts actually
> stick.
> 
> all those volunteers, please post feedback about how
> the new solver
> works for you...
> 
> enjoy,
> 
> russ.
> 
> 
> 
> -- 
> Russell Smith
> http://www.q12.org
> _______________________________________________
> ODE mailing list
> ODE at q12.org
> http://q12.org/mailman/listinfo/ode



	
		
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