Zobrazeno 1 - 9
of 9
pro vyhledávání: '"G.-P. Malfense Fierro"'
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-12 (2022)
Abstract Low frequency broadband sound absorption for thin structures is still a great challenge. A new concept of a stackable hybrid resonator metamaterial is proposed which exhibits super broadband low-frequency sound absorption. The proposed metam
Externí odkaz:
https://doaj.org/article/b921e1d09f2042558991165e954e78b3
Publikováno v:
Bucciarelli, F, Malfense Fierro, G P & Meo, M 2019, ' A multilayer microperforated panel prototype for broadband sound absorption at low frequencies ', Applied Acoustics, vol. 146, pp. 134-144 . https://doi.org/10.1016/j.apacoust.2018.11.014
Microperforated panel (MPP) absorbers are one of the most promising alternatives to porous sound absorbing materials. However, these structures cannot achieve high and broadband absorption at low frequencies. To be effective, once defined the materia
Publikováno v:
Applied composite materials 26 (2019): 871–896. doi:10.1007/s10443-018-9754-5
info:cnr-pdr/source/autori:Bucciarelli, F.; Fierro, G. P. Malfense; Zarrelli, M.; Meo, M./titolo:A Non-Destructive Method for Evaluation of the Out of Plane Elastic Modulus of Porous and Composite Materials/doi:10.1007%2Fs10443-018-9754-5/rivista:Applied composite materials/anno:2019/pagina_da:871/pagina_a:896/intervallo_pagine:871–896/volume:26
info:cnr-pdr/source/autori:Bucciarelli, F.; Fierro, G. P. Malfense; Zarrelli, M.; Meo, M./titolo:A Non-Destructive Method for Evaluation of the Out of Plane Elastic Modulus of Porous and Composite Materials/doi:10.1007%2Fs10443-018-9754-5/rivista:Applied composite materials/anno:2019/pagina_da:871/pagina_a:896/intervallo_pagine:871–896/volume:26
This paper presents an effective and reliable non-destructive method to measure the Young Modulus of porous and out of plane Young Modulus of composite materials using sound waves. First, a Finite Element Model based on Representative Volume Element
Publikováno v:
Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII.
This paper proposes a novel nonlinear ultrasonically stimulated thermography technique for a quick and reliable assessment of material damage in carbon fibre reinforced plastic (CFRP) composite materials. The proposed nondestructive evaluation (NDE)
Publikováno v:
Malfense-Fierro, G P, Ciampa, F, Ginzburg, D, Onder, E & Meo, M 2015, ' Nonlinear ultrasound modelling and validation of fatigue damage ', Journal of Sound and Vibration, vol. 343, pp. 121-130 . https://doi.org/10.1016/j.jsv.2014.10.008
Nonlinear ultrasound techniques have shown greater sensitivity to microcracks and they can be used to detect structural damages at their early stages. However, there is still a lack of numerical models available in commercial finite element analysis
Autor:
Francesco Ciampa, G.-P. Malfense Fierro, Salvatore Boccardi, Michele Meo, Daniele Benito Calla
Publikováno v:
SPIE Proceedings.
This paper presents a damage detection and localization technique based on nonlinear elastic waves propagation in a damage composite laminate. The proposed method relies on the time of arrival estimation of the second harmonic nonlinear response obta
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