Enhancing LAMMPS Capabilities

Coupling to Continuum MethodsUnresolved CFD-DEMDEMTheoretical background:Navier-Stokes equations for the fluid in presence of a granular phase∂α∂f∂ tρf+ ∇ ⋅( α ρ uf)f∂ tf( α ρ u )f+ ∇ ⋅ff= 0( α ρ ufuf) = −α∇p− ( uf−us) + ∇ ⋅( α τ) + α ρ gfffK fsfffα f fluid volume fractionu f fluid velocityτ, p stress tensor, pressureρ f fluid densityK fs fluid solid momentum exchange termcomprises drag force, Magnus and Saffman force, virtual mass force,...Christian Doppler Laboratory on Particulate Flow Modelling www.particulate-flow.at 43