[FLASH-USERS] adiabatic simulation

[Eddie Hansen]

Small correction... In the equation, I meant divergence, not gradient, so
div instead of grad.

On Fri, Nov 15, 2019 at 4:04 PM Eddie Hansen <ehansen at flash.uchicago.edu>
wrote:

> It depends on other physics you may have turned on. We can write a
> simplistic  energy equation as:
>
> d(energy)/dt + grad(energy_flux) = -L
>
> where L is the cooling/heating source term. FLASH will solve the equation
> without any cooling/heating (L=0), which would potentially make the system
> adiabatic. But there's other physics that can appear on the right hand side
> of the equation. And you might also consider the system to not be adiabatic
> depending on the boundary conditions being used.
>
> On Fri, Nov 15, 2019 at 3:35 PM guido <g.granda at irya.unam.mx> wrote:
>
>> Hello Flash users,
>>
>> I'm wondering what FLash does when a simulation is configured without
>> the cooling module. Does flash solve the energy equation without the
>> cooling and heating terms? Do you know if using such a configuration
>>
>> plus an equation of state with gamma=5/3 is equivalent to a adiabatic
>> simulation ?
>>
>> Cheers,
>>
>>
>
> --
> Eddie Hansen, PhD
> Postdoctoral Scholar
> University of Chicago
> 607-341-6126 | Flash Center
>


-- 
Eddie Hansen, PhD
Postdoctoral Scholar
University of Chicago
607-341-6126 | Flash Center
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