[Mesa-users] Change_E_flag

[Francis Timmes]

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http://mesa.sourceforge.net/controls_defaults.html#use_compression_outer_BC

fxt




> On Jun 24, 2018, at 4:13 PM, Subedi, Shiv Kumar <ss383615 at ohio.edu> wrote:
> 
> 
> Hello Frank,
> 
> Thank you for your suggestion. I commented out the "Change_E_flag" and "new_E_flag" and it solved the problem.
> However now I have error message for one of the controls variables.
> Fortran runtime error: Cannot match namelist object name use_hydrodynamic_surface_bcs
> 
> The controls.defaults section of mesa-r7624 prpvides following description of the variable.
> 
> !### use_hydrodynamic_surface_BCs
>          
>          ! 1) gradient of compression vanishes at surface
>             ! see Grott, Chernigovski, Glatzel, 2005.
>             ! d_dm(d_dm(r^2*v)) = 0 at surface
>             ! by continuity, this is d_dm(d_dt(1/rho)) = 0 at surface
>             ! finite volume form is
>             ! (1/rho(1) - 1/rho_start(1)) = (1/rho(2) - 1/rho_start(2))
>             ! this BC determines the density for surface cell.
>          
>          ! 2) black body radiation at surface
>             ! L = 4*pi*R^2*boltz_sig*T^4
>             ! this BC determines the temperature for the surface cell given R and L.
>                   
>       use_hydrodynamic_surface_BCs = .false.
> 
> However controls.defaults in mesa-r10108 doesnot have any description of the above variable.
> I am not sure if I should comment out every variable from the old inlist which have no description in the defaults section of new mesa version.
> 
> Could you please provide your suggestions about the problem?
> 
> Best,
> Shiv Subedi
> 
> 
> 
> From: Francis Timmes <fxt44 at mac.com>
> Sent: Sunday, June 24, 2018 9:24 AM
> To: Subedi, Shiv Kumar
> Cc: Frank Timmes; mesa-users at lists.mesastar.org
> Subject: Re: [Mesa-users] Change_E_flag
>  
> hi shiv,
> 
> perhaps just remove the old change_E_flag from the inlist.
> 
> fxt
> 
> 
> 
> > On Jun 24, 2018, at 1:37 PM, Subedi, Shiv Kumar via Mesa-users <mesa-users at lists.mesastar.org> wrote:
> > 
> > Hello mesa users,
> > 
> > I've been trying to run the inlists which I'd been running in mesa-r7624 into the new mesa version mesa-10108. 
> > I know that there has been few modifications and I need to rename few variables name to run in mesa-r10108. However I couldn't find the solution to the  following error message.
> > 
> > Fortran runtime error: Cannot match namelist object name change_e_flag
> > 
> > When I check the star_job.defaults in mesa-r7624 I find following description:
> > 
> >  !### change_E_flag
> >  ! `E_flag` is true if we are using internal energy variables in place of lnT
> >   change_E_flag = .false.
> > 
> > However I was not able to find any description of the above variable in the star_job.defaults of mesa-r10108.
> > 
> > Any suggestions would be highly appreciated.
> > 
> > Best,
> > Shiv Subedi
> > Graduate student- Ohio Univerisity
> > 
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