Re: [mesa-users] How to stop running when reached the ZAMS point?

[Falk H. <fh...@uv...>]

O good way to define the ZAMS is when log g has a maximum.
Falk
On 3-Jan-11, at 7:10 AM, Aaron Dotter wrote:

> Hi Zahra,
>
> Sometimes the experts might argue about how to define the ZAMS.  It  
> depends somewhat on the mass you are interested in.  However, One  
> good test is the first time that the luminosity from nuclear burning  
> is > 99% of the total luminosity.  Bill has kindly provided a check  
> for this controls inlist:
>
>          abs_diff_lg_LH_lg_Ls_limit = -1
>             ! stop when abs(lg_LH - lg_Ls) <= abs_diff_LH_Lsurf_limit
>             ! can be useful for deciding when pre-main sequence star  
> has reached ZAMS
>             ! set to negative value to disable
>
> If you set this to 2, you will get the test I described above.
>
> Best wishes,
> Aaron
>
>
>
>
> On Mon, Jan 3, 2011 at 2:58 AM, zahra altaha motahar <zam...@ya... 
> > wrote:
> Hi,
> I want to find the ZAMS starting point in my results. How can I stop  
> running when pre-main sequence star has reached ZAMS?
>
> Regards,
> Zahra
>
>
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--
Falk Herwig
Dept of Physics & Astronomy, U of Victoria
fh...@uv..., tel: +1 (250) 721-7743

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