By Pawel WoelkeShells and plates are severe constructions in several engineering purposes. research and layout of those constructions is of constant curiosity to the scienti c and engineering groups. exact and conservative checks of the utmost load carried through a constitution, in addition to the equilibrium direction in either the elastic and inelastic diversity, are of paramount value to the engineer. The elastic habit of shells has been heavily investigated, ordinarily via the nite aspect technique. Inelastic research even if, specifically accounting for harm results, has got less awareness from researchers. during this ebook, we current a computational version for nite aspect, elasto-plastic, and harm research of skinny and thick shells. formula of the version proceeds in numerous levels. First, we enhance a idea for thick round shells, delivering a collection of shell constitutive equations. those equations contain the consequences of transverse shear deformation, preliminary curvature, and radial stresses. The proposed shell equations are comfortably utilized in nite point research. zero AsimpleC quadrilateral, doubly curved shell aspect is built. by way of a quasi-conforming strategy, shear and membrane locking are avoided. The point stiffness matrix is given explicitly, making the formula computationally ef cient. We characterize the elasto-plastic habit of thick shells and plates through the non-layered version, utilizing an up-to-date Lagrangian solution to describe a small-strain geometric non-linearity. For the therapy of fabric non-linearities, we undertake an Iliushin’s yield functionality expressed by way of pressure resultants, with isotropic and kinematic hardening principles.