Amplitude 1 Combined effect 1 Contact problem 1 Design/methodology/approach 1 Elastohydrodynamic lubrication Film formations 1 Film thickness 1 Film-thickness 1 Loads (forces) 1 Newton-Raphson techniques 1 Point contacts 1 Reynolds 1 Solvation 1 Surface force 1 Surface forces 1 Surface roughness 1 Topography 1 Ultrathin films 1 Van der Waals forces 1 Van der waals' forces 1 Wavelength 1