Analysis of Design Parameter Influence on the Dynamic Frequency Response of CFFF Honeycomb Sandwich Plate

Abstract:

In the aerospace domain, sandwich plates represent an efficient structural element, providing a high stiffness/weight ratio characteristic. Moreover, when using this structural element, different design parameters and materials of the core can be adopted in order to obtain desired properties. When the dynamic analysis of the spacecraft structure made up of the honeycomb sandwich plates is performed in MSC Patran/Nastran. In this study a three dimensional finite elements of a clamped-free (CFFF) honeycomb plate under dynamic vibrations loading had been analysed. Geometric parameters of hexagonal plate is specific to absorb vibrations, hence the effect of each parameters is crucial to determine the rigidity of plates under a single-point cyclic loading. The effect of honeycomb core thickness, unit cell size, and the materials contribute to determine the rigidity of honeycomb plate. Therefore, all of the analysis results can accommodate bases for structural design and optimum design of the spacecraft structure.

• Periodical: Advanced Materials Research (Volume 682)
• Pages: 57-64
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.682.57
• Online since: April 2013
• Authors: A. Mankour, A. Boudjemai, Redha Amri, H. Salem
• Keywords: Finite Elements Method, Design Parameters, Frequency Response, Honeycomb Plate

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