Deformation of elastoplastic three-layer beam on elastic foundation
Elastoplastic bending of a three-layer rod with a rigid compressible filler on an elastic base has been studied. To describe kinematics of asymmetrical across thickness pack in the bearing layers the Bernoulli hypotheses have been accepted. Displacements in the filler vary linearly over thickness. The reaction ofthe base is described by Winkler's model. A system of equilibrium equations for displacements has been obtained and solved. The numerical results for a three-layer metal-polymer-metal beam are cited.