[FLASH-USERS] [EXT] fixing layers

[Thibault Goudal]

Hey Eddie, 
Do you know if there's an example of the F90 files that could include such adjustements? 


De: "Eddie Hansen" <ehansen at pas.rochester.edu> 
À: "Thibault Goudal" <thibault.goudal at u-bordeaux.fr> 
Cc: "flash-users" <flash-users at flash.uchicago.edu> 
Envoyé: Vendredi 28 Août 2020 16:44:59 
Objet: Re: [EXT] [FLASH-USERS] fixing layers 

In FLASH, we have BDRY_VAR to solve this issue. If you set certain cells BDRY_VAR = 1.0, then the code will see these cells as "solid" and they won't expand into a "vacuum" region. If you want to allow them to expand at a later time, then you will have to make adjustments to BDRY_VAR in Simulation_adjustEvolution. 

On Fri, Aug 28, 2020 at 9:15 AM Thibault Goudal < [ mailto:thibault.goudal at u-bordeaux.fr | thibault.goudal at u-bordeaux.fr ] > wrote: 



Hi guys, 
After fixing my mesh reconstruction, I've noticed that if I irradiate a single layer with a vaccum volume behind, there's some expansion in this vacuum before any shock breaks out. 
If I want to design an experiment with an initial solid target, I would like this material to be freezed. I discused with Hydra users and it came up that they use a special mode called "Quiet Start" to fix the solid materials but I don't know if we have such a tool on FLASH. 
Does anybody know how we could solve this issue? 

-- 
Thibault Goudal 
PhD Student CEA 
CELIA CNRS UMR5107 laboratory 
+33664160842 
[ mailto:thibault.goudal at u-bordeaux.fr | thibault.goudal at u-bordeaux.fr ] 





-- 
Eddie Hansen, PhD 
Postdoctoral Associate 
University of Rochester 
607-341-6126 | Flash Center 

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