The large use of composite materials and shell structural members with complex geometries in technologies related to various branches of engineering, has gained in-creased attention from scientists and engineers for the development of even more refined approaches, to investigate their mechanical behavior. It is well known that composite ma-terials are able to provide higher values of strength stiffness, and thermal properties, to-gether with conferring reduced weight, which can affect the mechanical behavior of beams, plates, and shells, in terms of static response, vibrations, and buckling loads. At the same time, enhanced structures made of composite materials can feature internal length scales and non-local behaviors, with great sensitivity to different staking sequences, ply orientations, agglomeration of nanoparticles, volume fractions of constituents, and porosity levels, among others. In addition to fiber-reinforced composites and laminates, increased attention has been paid in literature to the study of innovative components such as functionally graded materials (FGMs), carbon nanotubes (CNTs), graphene nanoplate-lets, and smart constituents. Some examples of smart applications involve large stroke smart actuators, piezoelectric sensors, shape memory alloys, magnetostrictive and elec-trostrictive materials, as well as auxetic components and angle-tow laminates. These con-stituents can be included in the lamination schemes of smart structures to control and monitor the vibrational behavior or the static deflection of several composites. The devel-opment of advanced theoretical and computational models for composite materials and structures is a subject of active research and this is explored here for different complex systems, including their static, dynamic, and buckling responses; fracture mechanics at different scales; as well as the adhesion, cohesion, and delamination of materials and in-terfaces.

Special Issue on Advanced Theoretical and Computational Methods for Complex Materials and Structures

Francesco Tornabene
;
Rossana Dimitri
2021-01-01

Abstract

The large use of composite materials and shell structural members with complex geometries in technologies related to various branches of engineering, has gained in-creased attention from scientists and engineers for the development of even more refined approaches, to investigate their mechanical behavior. It is well known that composite ma-terials are able to provide higher values of strength stiffness, and thermal properties, to-gether with conferring reduced weight, which can affect the mechanical behavior of beams, plates, and shells, in terms of static response, vibrations, and buckling loads. At the same time, enhanced structures made of composite materials can feature internal length scales and non-local behaviors, with great sensitivity to different staking sequences, ply orientations, agglomeration of nanoparticles, volume fractions of constituents, and porosity levels, among others. In addition to fiber-reinforced composites and laminates, increased attention has been paid in literature to the study of innovative components such as functionally graded materials (FGMs), carbon nanotubes (CNTs), graphene nanoplate-lets, and smart constituents. Some examples of smart applications involve large stroke smart actuators, piezoelectric sensors, shape memory alloys, magnetostrictive and elec-trostrictive materials, as well as auxetic components and angle-tow laminates. These con-stituents can be included in the lamination schemes of smart structures to control and monitor the vibrational behavior or the static deflection of several composites. The devel-opment of advanced theoretical and computational models for composite materials and structures is a subject of active research and this is explored here for different complex systems, including their static, dynamic, and buckling responses; fracture mechanics at different scales; as well as the adhesion, cohesion, and delamination of materials and in-terfaces.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11587/450257
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