Interaction of several bodies as applied to solving tribo-fatigue problems

Mechanical systems that work in conditions of both mechanical fatigue and contact with friction are studied by tribo-fatigue. Such systems (wheel/rail, gearings, pipe-viscous fluid flow) are of significant practical importance. They require a special statement of the problem for contact interaction of several bodies with the account of the set of non-contact boundary conditions. Equations for determining the three-dimensional stress-strain state for a multi-component system of solids are constructed and analyzed. Their solution using the boundary element method is considered. The example of calculation of contact pressure change under the influence of non-contact loading in a roller/shaft tribo-fatigue system is given.