[mesa-users] bad angular_momentum_j

Kenny Van kvan at ualberta.ca
Fri Aug 12 21:32:25 EDT 2016


Hi Josiah,

Yes. there are sometimes oscillations in the results. I was trying to take
the sum of all of the dr/conv_vel as the integral of dr/conv_vel in my code.

On 12 August 2016 at 19:30, Josiah Schwab <jwschwab at berkeley.edu> wrote:

> Hi Kenny,
>
> Isn't this the only way to calculate the convective turnover time though?
>> It's normally calculated as
>>
>
>>
> integral from surface of star to bottom of convective envelope dr /
>> convective velocity.
>>
>> I'm not sure how else to calculate this value except by taking
>> dr/conv_vel in MESA
>>
>
> Bill's point is that dr/conv_vel itself isn't a physical quantity, because
> that's just a statement about the resolution.  The integral of dr/conv_vel
> is a physical quantity, and should be resolution-independent in a converged
> simulation.  Is the integral having large model-to-model jumps?
>
> Josiah
>
>
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