Abstract
In this paper, we present new application based on experimental and numerical analysis of honeycomb sandwich composite. The main purpose of this paper is to investigate the constants properties of the core using numerical technique and experimental validation. The numerical method consists of determining the elastics properties from series of simulations (extension and shear) on Volume Element Representative, the elastic properties are obtained and will be used for a 3-D Finite element model for evaluating the modal parameters (natural frequencies and modes shape) of a honeycomb composite sandwich panel. In order to validate the numerical achievements, Experimental Modal Analysis of a free-free edge rectangular aluminum honeycomb sandwich plate is proposed and tested. Comparative investigations between the numerical and experimental frequencies and also corresponding mode shapes show a good agreement and illustrate that the characterization of pure core gives some efficient elastic properties and allow us to creating a best finite element model for more mechanical analysis.
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Bendada, A., Boutchicha, D., Miri, M., Chouiter, A. (2019). Characterization of Honeycomb Sandwich Composite Panel Using Numerical Methods and Experimental Modal Analysis Validation. In: Abdel Wahab, M. (eds) Proceedings of the 1st International Conference on Numerical Modelling in Engineering . NME 2018. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-13-2273-0_32
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DOI: https://doi.org/10.1007/978-981-13-2273-0_32
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