Identification of the Complex Moduli of Orthotropic Materials using Modal AnalysisF. Van den Abeele, J.R. De Oliveira Jr., and F.J. Huertos
OCAS N.V., J.F. Kennedylaan 3, Zelzate, Belgium
Federal University of Minas Gerais, Belo Horizonte, Brazil
It is very difficult to measure the global properties of heterogeneous and anisotropic materials like composites and sandwich structures. When designing composite sandwich applications, the elastic properties are required to perform structural stiffness and strength calculations. However, due to their anisotropic nature, it is not straightforward to measure these properties with traditional mechanical characterization. In this paper, the Resonalyser method will be introduced as a material identification technique following a reverse engineering scheme. It is a non destructive test methodology to measure the average elastic properties of anisotropic materials.
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