User Forum of Software BASEMENT

qtheiler

User

Registered: 2015-07-30

Posts: 60

Error mass balance

Hi,

I have the following error: Mass conservation not garanted, negative depth (h -0.03m). My simulation is around 10days and this error comes after 8 days.I have check the deposition / erosion, and the inflow. I don't undertsand from where it comes. Do you have some suggestion?

My min depth is 0.003m, and I have a CFL of 0.95.

Tank's for your help.

Cheers

René Kaufmann

User

Registered: 2016-01-28

Posts: 22

Re: Error mass balance

Hi,
is there a problem with the mesh (small angles, large cell etc.)?