Despite the accelerated deployment of laminated composites in a wide variety markets due to their peculiar engineering features, design those materials is often restrained by lack cost-efficient modeling techniques. In fact, existing strategies allowing for cheap simulations usually fail directly capture out-of-plane through-the-thickness stresses, which prove be typically responsible delaminat...

A numerical procedure for the design of impact damage resistant composite laminated structures is proposed in the present paper. This procedure, based on probabilistic analyses, is able to support the design of complex composite laminated structures by accounting for the scatter in composite materials’ mechanical properties (related to the mutable environmental conditions experienced by an airc...

Free vibration behavior of laminated composite plates stiffened by different lattice structures is considered. To simulate free vibration, finite element models were created with Ansys Parametric Design Language (APDL). In the models, SHELL181 and BEAM181 elements used to model structures, respectively. The influence stiffeners on natural frequencies plate examined for clamped-free-clamped-free...

A laminated composite plate element with an interface description is developed using the finite element approach to investigate the bending performance of two-layer cross-ply laminated composite plates in presence of a diagonally perturbed localized interfacial degeneration between laminae. The stiffness of the laminate is expressed through the assembly of the stiffnesses of lamina sub-elements...

In this work, the stress and deformation states of plates made metal layers wrapped with composite materials in inner or outer were studied. The main goal research is to create durable, long-lasting aggressive environment-resistant structures that can easily bear external dynamic static loads. work used Navier method study effects interlayer displacement. It was found lower modulus, greater eff...