[FLASH-USERS] boundary conditions changing with time

[Suoqing Ji]

Hi Julia,

I believe the easiest thing to do is to set maximum simulation time to 5s; when it finishes, change your boundary conditions in flash.par file, and restart from the last check point file.

Hope it helps!

Best wishes,
—
Suoqing JI
Ph.D Candidate
Department of Physics
University of California, Santa Barbara
http://physics.ucsb.edu/~suoqing

> On Nov 20, 2017, 1:46 PM, Julia Grott <julia.grotova at gmail.com> wrote:
> 
> Hello everybody,
> I'm a starting flash user, and I wonder if I can make boundary conditions that will change with time.
> To be more precise I'm trying to model a jet ( an outflow of matter) which will turn on and off at certain moments of time. (Something like: if t< 5 sec, then turn on jet, else turn off. )
> How can I do something like a timer? 
> Maybe I don't need to vary boundary conditions, but just to add proper conditions in the Simulation_initBlock, which can be  turned off after certain time. 
> 
> I will be happy to hear any ideas,
> Thanks in advance!
> 
> Julia 
> 
> 
> 
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