On the Derivation of One and Two Dimensional Equations for Layered Elastic Beams and Plates with Interface Slips

Mindlins systematic procedure of power series expansion for deriving one and two dimensional equations of elastic beams and plates is extended to layered beams and plates with interface slips by adding a step function term to the power series expansion. A two layer beam is used as an example. In addition to the usual one dimensional equations for extension, bending and shear deformation, an equation associated with the interface slip also results from the procedure.