Hello!
I've been struggling to construct a Comsol model that simulates two-phase flow, in which one fluid is water(incompressible), the other is air(compressible), which can reach Mach number of around 1.
As far as I know, standard branch for two-phase flow in CFD module makes you choose only between "Incompressible" and "Compressible with M < 0.3" flows, and this option applies to both fluids in the simulation, without possibility of setting one for the first, and the second for the other.
I suppose I have to try physics coupling, with one branch being "High Mach number flow". But is there a way to do it for this kind of problem, where the interface between the fluids is not known, and must be adjusted at each time step?
Any advice on how to handle this is higly appreciated.
I've been struggling to construct a Comsol model that simulates two-phase flow, in which one fluid is water(incompressible), the other is air(compressible), which can reach Mach number of around 1.
As far as I know, standard branch for two-phase flow in CFD module makes you choose only between "Incompressible" and "Compressible with M < 0.3" flows, and this option applies to both fluids in the simulation, without possibility of setting one for the first, and the second for the other.
I suppose I have to try physics coupling, with one branch being "High Mach number flow". But is there a way to do it for this kind of problem, where the interface between the fluids is not known, and must be adjusted at each time step?
Any advice on how to handle this is higly appreciated.