[mesa-users] ST

[Martin C.]

Hi all,

I have trouble with the
!am_log_nu_ST ! Spruit dynamo effective viscosity
profiles output when am_nu_ST_factor < 0, in mesa version 8118.
http://mesa.sourceforge.net/controls_defaults.html#am_nu_ST_factor

[image: Inline image 1]

So I suggest

if (s% am_nu_ST_factor < 0) then
    val = safe_log10_cr(prefact*s% D_ST_factor*if_rot(s% nu_ST,k))
else
    val = safe_log10_cr(prefact*s% am_nu_ST_factor*if_rot(s% nu_ST,k))
end if


Also, (separate issue)
should this be D_ST, not nu_ST?
[image: Inline image 2]
http://mesa.sourceforge.net/controls_defaults.html#am_D_mix_factor

BTW what is am in am_D_mix_factor? Angular momentum? What does that have to
do with D_mix? Sorry if dumb question.

Thanks

Martin
-- 
Martin C.
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