title: Normal contact stiffness of elastic solids with fractal rough surfaces.
abstract: Using the boundary element method, we calculate the normal interfacial stiffness and constriction resistance of two elastic bodies with randomly rough surfaces and varying fractal dimensions. The contact stiffness as a function of the applied normal force can be approximated by a power law, with an exponent varying from 0.51 to 0.77 for fractal dimensions varying from 2 to 3.
authors.affiliation: Berlin University of Technology, 10623 Berlin, Germany.
authors.forename: Roman
authors.initials: R
authors.lastname: Pohrt
authors.forename: Valentin L
authors.initials: VL
authors.lastname: Popov