Dynamics of Straight and Curved Functionally Graded Beams Incorporating Electromechanical Local Resonators: Analysis of Attenuation Bands

Authors

  • Walter H. Fruccio Universidad Nacional de La Pampa, Facultad de Ingeniería. General Pico, Provincia de La Pampa, Argentina
  • Marcelo T. Piován Universidad Tecnológica Nacional, Facultad Regional Bahía Blanca, Centro de Investigaciones de Mecánica Teórica y Aplicada. Bahía Blanca, Provincia de Buenos Aires, Argentina
  • Rogelio L. Hecker Universidad Nacional de La Pampa, Facultad de Ingeniería. General Pico, Provincia de La Pampa, Argentina

DOI:

https://doi.org/10.70567/mc.v41i5.25

Keywords:

Graded Materials, Resonators, Metamaterials, Attenuation Bands

Abstract

The study of wave propagation in metamaterials represents a new and emerging field in engineering, especially in composite materials that have some kind of periodicity and possess exceptional properties not commonly found in other types of materials. In this work, a thin-walled beam model is introduced, created by graded ceramic/metallic functional materials with inclusion of local electromechanical resonators. The beam model is based on the incorporation of generalized shear flexibility for bending and torsion with non-uniform warping. A computational model is built using the finite element method from the weak formulation associated with the virtual work principle. The uncertainty of the parameters is studied, using the parametric probabilistic approach.

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Published

2024-11-08

Issue

Vol. 41 No. 5 (2024): Uncertainty Quantification and Stochastic Modeling

Section

Conference Papers in MECOM 2024

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Copyright (c) 2024 Argentine Association for Computational Mechanics

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