Influence of the Honeycomb Geometry on the Sandwich Composite Plate Behavior

Florentina Rotaru; Ionel Chirica; Elena Felicia Beznea

doi:10.4028/www.scientific.net/AMR.1143.139

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1143Influence of the Honeycomb Geometry on the...

Influence of the Honeycomb Geometry on the Sandwich Composite Plate Behavior

Abstract:

In this paper the influence cell honeycomb geometry on the mechanical behaviour of a composite sandwich plate is analyzed. Three cell geometries (circular, hexagonal and square) are static analysed so that to select the best type of honeycomb that will be used in the manufacturing the sandwich plate core. The main aim is to develop approach models of equivalent orthotropic materials to replace the real model of honeycomb core with their properties so that to quickly calculate the sandwich plate made out of composite when is used a finite element analysis code. Geometry and material properties of the honeycomb are delivered by the material provider. Comparative analysis, by using Finite element analysis is performed for all geometries, in the same boundary conditions. Since in the impact loading of the composite sandwich plate the core is mainly loaded to compression, comparative study of the three cell geometries honeycomb was performed for this type of compressive loading. Since the cell is the basic element of the honeycomb core, the calculus is performed for one unit volume of sandwich, concerning also the part of skins.

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Periodical:

Advanced Materials Research (Volume 1143)

Pages:

139-144

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1143.139

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Online since:

February 2017

Authors:

Florentina Rotaru*, Ionel Chirica, Elena Felicia Beznea

Keywords:

Cell Shape, Composite Sandwich Structures, Finite Element Method, Honeycomb, Orthotropic Material

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* - Corresponding Author

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