Metrouni, Tarek Khellaf, Nadia Kebiche, Khelifa
Published in
Slovak Journal of Civil Engineering
This study presents a numerical approach to an analysis of the mechanical behavior of double-layered tensegrity grids. We present a comparative study on the behavior of tensegrity grids through geometric nonlinear analysis (GNA) and combined nonlinear analysis (CNLA) (geometric and material), considering the possible effect of evolution in the elas...
Morvaridi, M. Bosia, F. Brun, M. Dal Poggetto, V.F. Gliozzi, A.S. Miniaci, M. Croenne, C. Pugno, N.M. Carta, G.
In this paper, we discuss the possibility of achieving tunable topologically protected edge modes through the application of uniaxial prestrain in an auxetic metamaterial. The proposed structure consists of a thin slab with oriented cuts in a hexagonal lattice, where topologically protected band gaps are opened by introducing a controlled variation...
azzara, rodolfo filippi, matteo carrera, erasmo
This work presents geometrically nonlinear transient analyses of various rotating blades. The structures are discretized through refined beams or multi-dimensional finite element models, which are generated using the Carrera Unified Formulation (CUF). The CUF offers a procedure to develop low- and high-fidelity one-dimensional, two-dimensional, and...
Azzara, R. Filippi, M. Carrera, E.
This study introduces multidimensional finite element models for conducting geometrically nonlinear analyses on rotating structures. The mathematical framework employed is based on the Carrera Unified Formulation, which provides a systematic approach for generating one dimensional, two-dimensional, and three-dimensional finite element models with v...
Erdelj, Sara Grbčić Ibrahimbegović, Adnan Jelenić, Gordan
In this work a new three-dimensional geometrically non-linear hexahedral micropolar finite element enhanced with incompatible modes is presented. The analytical model is expressed in terms of Biot-like stress and couple-stress tensors and corresponding Biot-like strain and curvature tensors, with a linear, elastic and isotropic constitutive law. Th...
AZZARA, RODOLFO
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DEBEURRE, Marielle GROLET, Aurélien COCHELIN, Bruno THOMAS, Olivier
An original method for the simulation of the dynamics of highly flexible slender structures is presented. The flexible structures are modeled via a finite element (FE) discretization of a geometrically exact two-dimensional beam model, which entirely preserves the geometrical nonlinearities inherent in such systems where the rotation of the cross-s...
Debeurre, Marielle Grolet, Aurélien Cochelin, Bruno Thomas, Olivier
International audience
Filippi, M. Azzara, R. Carrera, E.
In this study, we employ low and high-fidelity finite beam elements to conduct geometrical nonlinear transient analyses of composite and sandwich structures. The equations of motion for various structural theories are derived in a total Lagrangian scenario using the Carrera Unified Formulation. The unified formalism's three-dimensional nature enabl...
Azzara, R. Filippi, M. Pagani, A. Carrera, E.
New challenges demanded by aerospace, automotive, and other engineering fields require the design of sophisticated and lightweight components. These highly flexible structures generally exhibit large displacements/rotations without showing plastic deformations. Thus, dynamic and static analyses that consider geometrical nonlinearities become essent...
