[mesa-users] How to set metallicity for a binary system

[Ruiz, Erick]

Dear Robert,


Thank you for your help. I tried that after I posted my question, but I got the following error message:


WARNING: requested initial_z does not match zams file initial_z.
                                    zams file initial_z    2.0000000000000000D-02
                                    requested initial_z    1.0000000000000000D-02



 failed in get_zams_model
 star_load_zams ierr          -1
 do_load1_star ierr          -1
DATE: 2016-02-29
TIME: 11:02:16


Am I supposed to update initial_z elsewhere?


Best regards,


Erick Ruiz


________________________________
From: Robert Farmer <rjfarmer at asu.edu>
Sent: Monday, February 29, 2016 11:12 AM
To: Ruiz, Erick
Cc: mesa-users at lists.sourceforge.net
Subject: Re: [mesa-users] How to set metallicity for a binary system

Hi
So the inlist_project in the binary work folder is for setting the binary parameters. There is also the inlist1 and inlist2 files in the binary work folder, these are what sets each stars parameters.

Rob

On Mon, Feb 29, 2016 at 9:55 AM, Ruiz, Erick <erick.ruiz at ttu.edu<mailto:erick.ruiz at ttu.edu>> wrote:

Hi,


I know how to set the initial metallicity when evolving a single star (change initial_z in the inlist_project). However, I would like to evolve a binary for several metallicities. I tried to do the same thing as for single stars; I set the metallicity in the inlist_project as follows:


initial_z = 0.02d0



However, I got the following error message:



Failed while trying to read binary control namelist file: inlist_project
Perhaps the following runtime error message will help you find the problem.

At line 229 of file ../private/binary_ctrls_io.f (unit = 29, file = 'inlist_project')
Fortran runtime error: Cannot match namelist object name initial_z
DATE: 2016-02-29
TIME: 10:04:52




I looked at binary_ctrls_io.f and noticed that initial_z is not included, unlike other parameters such as initial_period_in_days. Does this mean that it is not possible to change the initial metallicity of a binary? If it is possible, how is it done?


Best regards,


Erick Ruiz

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