Skip to content

Reply To: High density/viscosity ratio Free Energy method

OpenLB – Open Source Lattice Boltzmann Code Forums on OpenLB General Topics High density/viscosity ratio Free Energy method Reply To: High density/viscosity ratio Free Energy method

#7465

Hi Michael,

As far as I know, the relaxation time of the hydrodynamics lattice for the fluids with two different viscosities can be accounted using this equation: 1 / tau_f = c_1 / tau_1 + c_2 / tau_2.

Would you please advise how the dynamics can be implemented using variable relaxation time? Is there any specific example that I can look into to learn how to implement this? Thanks.

Kind regards,
Mehrdad