Since 1963
ARTICLE
Numerical simulation and experimental bending behaviour of multi-layer sandwich structures
1,
2,
1,
3
| 1 | Laboratoire de Physique des Milieux Denses, Metz, France |
| 2 | IUT de Thionville Yutz, Yutz, France and P.A. Technologies, Thionville, France |
| 3 | Laboratoire de Physique des Milieux Denses, Metz, France and IUT de Thionville Yutz, Yutz, France |
Journal of Theoretical and Applied Mechanics 2014;52(2):431–442
KEYWORDS
ABSTRACT
In this paper, an experimental investigation, an analytical analysis and a numerical model of a typical four-point bending test on a polypropylene honeycomb multi-layer sandwich panel are proposed. The polypropylene honeycomb core is modelled as a single solid and multi-layer of equivalent material properties. Analytical and numerical (finite element) homogenization approaches are used to compute the effective properties of the single honeycomb core and analytical homogenization of the multi-layer one. The results obtained by numerical simulation (finite element) of four-point bending are compared with the experimental results of a polypropylene honeycomb core/composite facing multi-layer sandwich structures.
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