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Reply To: add gravity leads to instability, bifurcation 3D, multiphase, particles

OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › add gravity leads to instability, bifurcation 3D, multiphase, particles › Reply To: add gravity leads to instability, bifurcation 3D, multiphase, particles

October 17, 2019 at 12:54 am #4600
zshi6193
Participant

Dear Max,

You mention the force field in OpenLB is actually a force over reference density. For multi-phase flow, I have two phases (liquid and vapor via using single component Shan-Chen model). If I define a force field (an acceleration) into the whole domain, will this method still works?
I am just thinking that vapor tends to have very small acceleration because of very small density. Or this method can only be used two-component Shan-Chen model.

Thanks for your help.
Simon