Comments (5)
Hi,
The file deploy/scripts/sim_base.conf contains descriptions of configuration parameters along with their default values.
- the maximum domain size is set by
extent
, to make the box three times higher, you need to add toadd.conf
set double extent 0.06
and then use make 'm=192 384 192' run
2. the size and number of spawned bubbles is control by file bspawn.dat
, so to have three sources with larger bubbles, try
0.015 0.002 0.015 0.002
0.02 0.002 0.015 0.002
0.025 0.002 0.015 0.002
- the boundary conditions in
x
andz
are already periodic, as set instd.conf
set int hypre_periodic_x 1
set int hypre_periodic_z 1
- non-newtonian would require implementing additional force terms or non-uniform viscosity, which in principle can be done using the hook mechanism as in examples/210_step_hook
- the velocity field and volume fraction field can be written to hdf+xdmf files by setting in
add.conf
set string dumplist vx vy vz vf
- this can also be done using hooks examples/210_step_hook
from aphros.
seems that you also need to change b.dat
, which initializes the volume fraction field with a free surface (as one huge bubble)
the default values are 0 0.02 0 1e5 0.005 1e5
, corresponding to x,y,z,rx,ry,rz
for an ellipsoid.
so this bubble is supposed to be centered on the domain top,
with extent 0.06
, you would need to change b.dat
to
0 0.06 0 1e5 0.005 1e5
to center the bubble at the top
from aphros.
Thanks a lot for your response! It really helped a lot.
from aphros.
Could you please explain how set extent
works?
I am running the example on my local machine before trying it on HPC. On my local machine, I was using 4 processors and m = 48 32 48
for the original case. To increase the box size by three times I did set double extent 0.06
and make 'm=48 96 48' run
.
However, I am getting strange output with 2 boxes one on top of the other and one having almost 3 times more height than the other, with bubbles originating and clustering only in the smaller box. Could you please help to resolve this issue?
Thanks!
from aphros.
Yeah, it worked perfectly. Thanks a lot!
from aphros.
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