[mesa-users] relax_mass not converging

David Kaplan kaplan at gravity.phys.uwm.edu
Wed May 16 22:12:27 EDT 2012


Hi, Chris.

Yes, I updated it today.

It had been working previously with all-but-identical inputs, so I suspect it is something subtle.

Thanks for checking, though.

David

On May 16, 2012, at 9:07 PM, Chris Mankovich wrote:

> Hi David,
> 
> I do wish I could reproduce your error, but running your inlist from your saved model is totally successful on my end.  Is your MESA installation up to date?
> 
> I've attached the terminal output of my successful run.
> 
> 
> Cheers,
> Chris
> 
> 
> 
> On Wed, May 16, 2012 at 3:12 PM, David Kaplan <kaplan at gravity.phys.uwm.edu> wrote:
> Hi, Bill et al.
> 
> I am having trouble using relax_mass to strip away parts of a star.
> 
> It gets very close to where it needs to be, but then alternates between lg_Mdot of -6.00 (which is lg_max_abs_mdot) and -99.00, and refuses to return from the relax loop.
> 
> Here is some output, where it was supposed to get to 0.155 Msun, and the inlist/photo for starting are attached.
> 
> Any advice would be appreciated,
> 
> David
> 
> 
> __________________________________________________________________________________________________________________________________________________
> 
>      step    lg_Tcntr    Teff       lg_LH     lg_Lnuc     Mass       H_rich     H_cntr     N_cntr     Y_surf     X_avg     eta_cntr   pts  retry
>  lg_dt_yr    lg_Dcntr    lg_R       lg_L3a    lg_Lneu     lg_Mdot    H_poor     He_cntr    O_cntr     lg_Z_surf  Y_avg     gam_cntr  iters bckup
>       age    lg_Pcntr    lg_L       lg_LZ     lg_Psurf    lg_Dsurf   He_poor    C_cntr     Ne_cntr    Z_cntr     Z_avg     v_div_cs     dt_limit
> __________________________________________________________________________________________________________________________________________________
> 
>      1500 7.626906  1.067E+04  -4.901375  -4.901375   0.197870   0.037249   0.000000   0.000000   0.987329   0.000892   2.403863    632      5
>  2.997526   4.192328  -1.234437 -16.800412  -4.477460  -6.000000   0.160621   1.000000   0.000000  -0.10E+02   0.999108   0.337863      3      1
> 1.2246E+09  19.749167  -1.402854 -16.651979   7.205790  -4.135554   0.000000   0.000000   0.000000  2.783E-07  2.589E-08  0.166E-07   delta_mstar
> 
> save photos/x1500
>      1510 7.604631  1.100E+04  -6.007287  -6.007287   0.188196   0.027575   0.000000   0.000000   0.991608   0.000409   2.402996    615      5
>  2.975757   4.158224  -1.236958 -17.953860  -4.646869  -6.000000   0.160621   1.000000   0.000000  -0.97E+01   0.999591   0.346455      3      1
> 1.2246E+09  19.692606  -1.355254 -17.361432   7.262133  -4.091219   0.000000   0.000000   0.000000  2.783E-07  2.719E-08  0.168E-07   delta_mstar
> 
>      1520 7.581881  1.142E+04  -7.403591  -7.403591   0.178995   0.018348   0.000000   0.000000   0.996251   0.000137   2.402231    612      5
>  2.953988   4.123544  -1.238549 -19.165969  -4.813303  -6.000000   0.160647   1.000000   0.000000  -0.94E+01   0.999862   0.355499      3      1
> 1.2246E+09  19.635013  -1.293666 -18.093734   7.324130  -4.043210   0.000000   0.000000   0.000000  2.783E-07  2.856E-08  0.171E-07   delta_mstar
> 
>      1530 7.558680  1.163E+04  -9.167356  -9.167356   0.170244   0.009581   0.000000   0.000000   0.998963   0.000030   2.401234    613      5
>  2.932219   4.088171  -1.239185 -20.438246  -4.981374  -6.000000   0.160663   1.000000   0.000000  -0.91E+01   0.999970   0.364962      3      1
> 1.2246E+09  19.576260  -1.262670 -18.849078   7.366604  -4.007466   0.000000   0.000000   0.000000  2.783E-07  2.999E-08  0.176E-07   delta_mstar
> 
>      1540   7.535579  1.163E+04 -11.203525 -11.203525   0.161921   0.002446   0.000000   0.000000   0.999815   0.000004   2.400349    581      5
>  2.910450   4.052910  -1.239073 -21.764856  -5.152811  -6.000000   0.159474   1.000000   0.000000  -0.90E+01   0.999995   0.374624      3      1
> 1.2246E+09  19.517691  -1.261821 -19.626011   7.390901  -3.983581   0.000000   0.000000   0.000000  2.783E-07  3.194E-08  0.183E-07   delta_mstar
> 
>      1550   7.514789  1.156E+04 -13.117929 -13.117929   0.154998   0.000000   0.000000   0.000000   0.999971   0.000001   2.400625    601      5
>  3.115786   4.021387  -1.238724 -22.961574  -5.305302  -8.446663   0.154998   1.000000   0.000000  -0.88E+01   0.999999   0.383599      3      1
> 1.2246E+09  19.465234  -1.272453 -20.318955   7.409455  -3.963048   0.000000   0.000000   0.000000  2.783E-07  3.256E-08  0.124E-08   delta_mstar
> 
> save photos/x1550
>      1560   7.514789   7738.393 -13.244521 -13.244521   0.154998   0.000000   0.000000   0.000000   0.999962   0.000001   2.400623    652     15
>  -4.541927   4.021387  -1.238619 -22.961576  -5.305303 -99.000000   0.154998   1.000000   0.000000  -0.88E+01   0.999999   0.383599      4      8
> 1.2246E+09  19.465234  -1.969153 -20.318955   5.689691  -5.675297   0.000000   0.000000   0.000000  2.783E-07  3.256E-08 -0.178E-04        lgTeff
> 
>      1570   7.514789   6009.001 -13.252441 -13.252441   0.154998   0.000000   0.000000   0.000000   0.999250   0.000001   2.400623    670     21
>  -4.280439   4.021387  -1.238532 -22.961576  -5.305303  -6.000000   0.154998   1.000000   0.000000  -0.88E+01   0.999999   0.383599      9      9
> 1.2246E+09  19.465234  -2.408373 -20.318956   5.946446  -5.636663   0.000000   0.000000   0.000000  2.783E-07  3.256E-08  0.973E-05        lgTeff
> 
>      1580   7.514789   5964.770 -13.246828 -13.246828   0.154998   0.000000   0.000000   0.000000   0.998992   0.000001   2.400623    661     26
>  -4.346470   4.021387  -1.238544 -22.961575  -5.305303  -6.000000   0.154998   1.000000   0.000000  -0.88E+01   0.999999   0.383599      6     11
> 1.2246E+09  19.465234  -2.421231 -20.318955   6.066902  -5.462762   0.000000   0.000000   0.000000  2.783E-07  3.256E-08 -0.327E-05          hold
> 
>      1590   7.514789  1.045E+04 -13.246832 -13.246832   0.154998   0.000000   0.000000   0.000000   0.999956   0.000001   2.400623    604     29
>  -4.546861   4.021387  -1.238700 -22.961573  -5.305302 -99.000000   0.154998   1.000000   0.000000  -0.88E+01   0.999999   0.383599      4     13
> 1.2246E+09  19.465234  -1.447860 -20.318954   7.134319  -4.210717   0.000000   0.000000   0.000000  2.783E-07  3.256E-08 -0.213E-06          hold
> 
> 
> 
> 
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