Дослідження стійкості ортотропних пологих оболонок зі складною формою плану

Abstract

Method of investigation buckling of the orthotropic shallow shells subjected to load in a middle surface is proposed. The method is based on R-functions theory and variational methods. Inhomogeneous prebuckling state is calculated and taken into account by developed approach. Comparison of obtained results with known for shallow shells with rectangle and square planform confirms the validation of the worked out method. Shallow shells with complex planform are considered. Obtained numerical results are presented as table of buckling load and natural frequencies