Дослідження геометрично нелінійних коливань багатошарових оболонок складної форми з центральним отвором

Abstract

In this paper, we consider an effective method of geometrically nonlinear free vibrations investigation of composite elements of thin-walled structures that are modeled by multilayered shallow shells with a complex shape in plan. The proposed method is based on the joint use of the theory of R-functions, variational methods, and the Bubnov-Galerkin procedure. Solutions of the new problems of linear and nonlinear oscillations of multilayered shallow shells with cutouts are obtained.