Search Results - "Lakiss, H."

On the role of second gradient constitutive parameters in the static and dynamic analysis of heterogeneous media with micro-inertia effects by Ayad, M., Karathanasopoulos, N., Reda, H., Ganghoffer, J.F., Lakiss, H.

“…In the current work, we develop a higher gradient dynamic homogenization method with micro-inertia effects. To that scope, we compute the macroscopic…”
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Higher-gradient and micro-inertia contributions on the mechanical response of composite beam structures by Ayad, M., Karathanasopoulos, N., Ganghoffer, J.F., Lakiss, H.

“…•We analyze the role of higher-gradient and micro-inertia parameters on the longitudinal response of composite structures.•We provide analytical solutions for…”
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Micropolar dissipative models for the analysis of 2D dispersive waves in periodic lattices by Reda, H., Ganghoffer, J.F., Lakiss, H.

“…The computation of the dispersion relations for dissipative periodic lattices having the attributes of metamaterials is an actual research topic raising the…”
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Dynamical analysis of homogenized second gradient anisotropic media for textile composite structures and analysis of size effects by Reda, H., Goda, I., Ganghoffer, J.F., L'Hostis, G., Lakiss, H.

“…In order to predict the dispersion relation of 3D composite structures in the low frequency range, we construct effective first and second order grade…”
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Wave propagation characteristics of periodic structures accounting for the effect of their higher order inner material kinematics by Reda, H., Karathanasopoulos, N., Ganghoffer, J.F., Lakiss, H.

“…The current work investigates the wave dispersion characteristics of two-dimensional structures, accounting for the effect of their higher order inner material…”
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Wave propagation in 3D viscoelastic auxetic and textile materials by homogenized continuum micropolar models by Reda, H., Rahali, Y., Ganghoffer, J.F., Lakiss, H.

“…We analyze in this contribution the impact of wave damping on the dispersion features of 3D viscoelastic periodic structures, which are modeled as Kelvin–Voigt…”
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Analysis of dispersive waves in repetitive lattices based on homogenized second-gradient continuum models by Reda, H., Rahali, Y., Ganghoffer, J.F., Lakiss, H.

“…We analyze the dispersion of elastic waves in periodic beam networks based on second order gradient models obtained by the homogenization of the initially…”
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Nonlinear dynamical analysis of 3D textiles based on second order gradient homogenized media by Reda, H., Rahali, Y., Ganghoffer, J.F., Lakiss, H.

“…The general objective of this contribution is the analysis of wave propagation phenomena within architecture media, relying on an effective substitution…”
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Influence of first to second gradient coupling energy terms on the wave propagation of three-dimensional non-centrosymmetric architectured materials by Reda, H., Karathanasopoulos, N., Rahali, Y., Ganghoffer, J.F., Lakiss, H.

“…In the current work, we analyze the role of the coupling energy between the first and second order gradient kinematic terms on the wave propagation…”
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Dynamical properties of random fibrous networks based on generalized continuum mechanics by Reda, H., Berkache, K., Ganghoffer, J. F., Lakiss, H.

“…The dynamic analysis of random fibrous networks (RFNs) is a novel topic, which has many applications since these networks are very often subjected to dynamical…”
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Wave propagation analysis in 2D nonlinear hexagonal periodic networks based on second order gradient nonlinear constitutive models by Reda, H., Rahali, Y., Ganghoffer, J.F., Lakiss, H.

“…We analyze the propagation of nonlinear waves in homogenized periodic nonlinear hexagonal networks, considering successively 1D and 2D situations. Wave…”
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Dispersion characteristics of periodic structural systems using higher order beam element dynamics by Ayad, M, Karathanasopoulos, N, Reda, H, Ganghoffer, JF, Lakiss, H

“…In the current work, we elaborate upon a beam mechanics-based discrete dynamics approach for the computation of the dispersion characteristics of periodic…”
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Control of acoustic properties of network materials by finite pre-deformations: Applications to 3D auxetic network materials by Reda, H., Elnady, K., Ganghoffer, J.F., Lakiss, H.

“…We investigate the impact of large pre-deformations applied to repetitive 3D network materials on their acoustic properties, and especially the tuning of band…”
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Impact of damage on the propagation of Rayleigh waves in lattice materials by Reda, H, Rahali, Y, Vieille, B, Lakiss, H, Ganghoffer, JF

“…We analyze in this contribution the phase velocities of Rayleigh waves in periodic beam-lattices materials. The effective mechanical properties for the virgin…”
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The role of anisotropy on the static and wave propagation characteristics of two-dimensional architectured materials under finite strains by Reda, H., Karathanasopoulos, N., Elnady, K., Ganghoffer, J.F., Lakiss, H.

“…In the current work, we analyze the role of anisotropy on the static and wave propagation characteristics of architectured materials. In particular, we study…”
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Wave propagation in pre-deformed periodic network materials based on large strains homogenization by Reda, H., Elnady, K., Ganghoffer, J.F., Lakiss, H.

“…This paper explores the influence of large deformations on the propagation of acoustic waves in repetitive network materials. The problem of elastic wave…”
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Nonlinear wave propagation analysis in hyperelastic 1D microstructured materials constructed by homogenization by Reda, H., El Nady, K., Ganghoffer, J.F., Lakiss, H.

“…•Hyperelastic first and second gradient continuum models are constructed by homogenization.•Wave propagation analysis is performed accounting for geometrical…”
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Ceramic thick film humidity sensor based on MgTiO3 + LiF by Kassas, A., Bernard, J., Lelièvre, C., Besq, A., Guhel, Y., Houivet, D., Boudart, B., Lakiss, H., Hamieh, T.

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