Abstract: Several engineering applications require cylindrical shells subjected to external pressure, and an increasing need for tubes of significant thickness has been experienced in recent years. So far, ...

Abstract: This paper provides the theoretical collapse loads of thick, long cylindrical shells subject to pressure and axial forces. Tubes are made of isotropic, perfectly plastic von Mises’ material. ...

Abstract: Necessary and sufficient conditions for the occurrence of a bifurcation in the equilibrium path of a discrete structural system are established as a consequence of the degeneracy of the solution of the rate problem at a ...