Effective elastic properties of foam-filled honeycomb cores of sandwich panels
Filling with foams of honeycomb structures has been proposed as some enhancement of honeycomb-cored sandwich material systems. The present study considers aluminum honeycomb cores filled with polyvinyl chloride foams with the aim to predict their material elastic properties. The displacement-based h...
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Veröffentlicht in: | Composite structures 2010-11, Vol.92 (12), p.2890-2900 |
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description | Filling with foams of honeycomb structures has been proposed as some enhancement of honeycomb-cored sandwich material systems. The present study considers aluminum honeycomb cores filled with polyvinyl chloride foams with the aim to predict their material elastic properties. The displacement-based homogeneous technique using 3D finite element analysis is applied to evaluate the effective elastic properties of foam-filled honeycomb cores. The special attention is paid to stress predictions at the skin/core interface and the stress distributions within the honeycomb cell walls. The influence of the foam filler on distribution of local stresses within the cell is examined. The FE modelling is performed with the commercial available software ABAQUS. The structural benefits of the foam-filled honeycomb cores are also discussed. |
doi_str_mv | 10.1016/j.compstruct.2010.04.015 |
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The present study considers aluminum honeycomb cores filled with polyvinyl chloride foams with the aim to predict their material elastic properties. The displacement-based homogeneous technique using 3D finite element analysis is applied to evaluate the effective elastic properties of foam-filled honeycomb cores. The special attention is paid to stress predictions at the skin/core interface and the stress distributions within the honeycomb cell walls. The influence of the foam filler on distribution of local stresses within the cell is examined. The FE modelling is performed with the commercial available software ABAQUS. 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subjects | Elastic constants Exact sciences and technology Finite element method Foam-filled honeycomb Foams Fundamental areas of phenomenology (including applications) Homogenization technique Honeycomb Honeycomb cores Physics Polyvinyl chlorides Solid mechanics Static elasticity (thermoelasticity...) Stress concentration Stresses Structural and continuum mechanics Three dimensional Unit cell approach |
title | Effective elastic properties of foam-filled honeycomb cores of sandwich panels |
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