[cunconbkhp]

Hello everyone!

I'm trying to study the XiFoam solver.

I've satrted with this tutorial : XiFoam/RAS/moriyoshiHomogeneous

based on this case i create a large scale fire scenario (always 2D) : xmax= 80 m (800 cells) and ymax (height)= 40 m (400 cells).

my mesh size is : 10 cm x 10 cm. Do you think it's too coarse for the solver?

when i try to run it, the fuel is not ignited. Here is my igntion block :

ignitionSites
(
{
location (0 0 0.05);
diameter 0.2;
start 0;
duration 0.005;
strength 2;
}
);

ignitionSphereFraction 1;

ignitionThickness ignitionThickness [0 1 0 0 0 0 0] 0.001;

ignitionCircleFraction 0.5;

ignitionKernelArea ignitionKernelArea [0 2 0 0 0 0 0] 0.001;


I don't know how to chose the right ignition parameters and what is the meaning of :
+ ignitionThickness
+ ignitionKernelArea

Thanks in advance!