...Longqiu Li; Izhak Etsion; Andrey Ovcharenko; Frank E. Talke The onset of plastic yielding in a spherical shell loaded by a rigid flat is analyzed using finite element analysis. The effect of spherical shell geometry and material properties on the critical normal load, critical interference...

... reinforced polymer cylindrical shell spherical shell imperfection sensitivity elastic buckling The constant demand and necessity for lightweight efficient structures continue to encourage engineers to the field of structural optimization and simultaneously to the use of nonconventional materials...