Modeling and Analysis the Impact of Unsymmetrical Bending on Aluminum Honeycomb Sandwich Beams with Polyester Resin/Glass Fibers Using Finite Element Method

Abstract

Sandwich structures are low-weight and have the best stiffness and a relatively high flexural strength, what makes using them continues to increase rapidly for industrial applications ranging from aeronautics, road vehicles, satellites, ships and civil engineering to mention only a few. The paper presents investigation and analysis of the behavior of composite sandwich beams with polyester resin/glass fibers skins (T800/M300) and aluminum honeycomb core under unsymmetrical bending impact. In this work we propose a numerical study using a calculation software, structural analysis by finite element method (CAST3M), for determining the stresses and displacements. The results which have been obtained after numerical modeling showed that unsymmetrical bending resistance of the sandwich beam is dependent largely on the skins.

Analysis for Enhancing the Performance Characteristics of Honeycomb-Filled Tubes at Constant Mass

“…Therefore, many efforts have been made to develop new designs, such as composite tubes that combine thin-walled metal tubes with other parts, which show many favorable properties [1]. The investigated components include lattice [2][3][4][5], foam [6][7][8][9], honeycomb [10][11][12][13], fold [14], ortho-grid [15,16], circumferential [17], and longitudinal corrugated [18,19] cores. It was demonstrated that the dual-bearing capacity of tube and foam improve the overall stability and mechanical performance of the combined structure [20].…”