smoke spread out

[Alpa24]

Hi All,

I have made pyroclusterflow of volcano.
Every thing is ok but at the end smoke spread out.
which is not wanted.

Dissipation Min. Dens : 1.0
Dissipation straingth : 3.0
Diffussion : 0.0

I cant able to undertand how to set this parameter from reference menual because my
english is poor.

Please help.
Here i attech video.

[sitnisati]

Hello,

Can you please attach the video.
I assume that your smoke is loosing definition because of the numerical dissipation, which cannot be avoided.

Regards,

Kresimir

[Alpa24]

http://www.megafileupload.com/en/file/4 ... w-rar.html

[sitnisati]

Hello,

It seems that you have a very high vorticity value which adds small curs but also can dissipate the smoke.

Regards,
Kresimir Tkalcec