Reynolds Amplitude 1 Combined effect 1 Computational fluid dynamics 1 Contact problem 1 Design/methodology/approach 1 Elastohydrodynamic lubrication 1 Film formations 1 Film thickness 1 Film-thickness 1 Full tubular pump 1 Hydraulic characteristic 1 Hydraulic optimizations 1 Integrated pump gate 1 Loads (forces) 1 N-S equations 1 Navier Stokes equations 1 Newton-Raphson techniques 1 Numerical models 1 Numerical simulation analysis 1 Point contacts 1 Pump-gate 1 Pumps 1 Solvation 1 Standard K-ε turbulence model 1 Surface force 1 Surface forces 1 Surface roughness 1 Topography 1 Tubular pumps 1