[FLASH-USERS] Conserving mesh with fixed refined regions

[María Fernanda Clever Uribe]

Thanks for your help, Ryan.



C.

El vie., 26 de junio de 2020 12:14 p. m., Ryan Farber <rjfarber at umich.edu>
escribió:

> Hi C.,
>
> You can effectively turn off AMR via setting nrefs in flash.par to a large
> number (larger than the number of steps you expect your simulation to take).
>
> Best,
> --------
> Ryan
>
>
> On Fri, Jun 26, 2020 at 1:10 PM María Fernanda Clever Uribe <
> clever_fisica at ciencias.unam.mx> wrote:
>
>> Hi everyone;
>>
>> I am trying to run a simulation with certain regions with a fixed AMR
>> mesh configuration (a set of concentric rectangles around the origin) using
>> the Flash version 4.3 I want to use rectangular zones in my domain (I am
>> working with cartesian coordinates). The smallest rectangle maintains the
>> maximum nlev_max, the subsequent rectangle with nlev_max - 1 mesh and so
>> forth.
>>
>> I checked some emails and sections in the manual where the subroutine
>> Grid_markRefineDerefine.f90 is applied to define zones where the highest
>> refinement level is required. Using this subroutine am able to set the
>> concentric rectangles for t=0, however for t>0 the initial mesh
>> configuration is not conserved anymore and many zones in the domain change
>> to a high refinement (basically Flash uses the AMR configuration which it
>> would use by not using Grid_markRefineDerefine.f90).
>>
>> I want to know if it is possible to force the mesh to maintain the
>> initial configuration for the next timesteps.
>>
>> Thanks in advance!
>>
>>
>> C.
>>
>
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