[mesa-users] Fixed Time Steps

Bill Paxton paxton at kitp.ucsb.edu
Tue Aug 28 11:25:27 EDT 2012


Hi,

It is okay to make mesa take smaller timesteps that it would take normally,
but you shouldn't try to make it take larger ones.   So you should allow it
to take multiple steps if necessary between your "target" times.  To make
it hit your targets, add a few lines to extras_check_model in your
run_star_extras to set 
	s% max_years_for_timestep  = next_target_age - s% star_age

-B


On Aug 28, 2012, at 1:32 AM, Jeremy Sakstein wrote:

> Hi All,
> 
> I have some data that I would like to feed into MESA and it comes at 
> discreet time-steps. Even more annoyingly, they are spaced in delta log and 
> not t. I was wondering, is there anyway to force MESA to evaluate each 
> model using a fixed time step in delta log t?
> 
> Cheers,
> 
> Jeremy
> 
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