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Using Experimentally Determined Resonant Behaviour to Estimate the Design Parameter Variability of Thermoplastic Honeycomb Sandwich Structures

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Multiscale Modeling and Uncertainty Quantification of Materials and Structures

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Abstract

Honeycomb panels combine a high specific strength and stiffness with a low areal mass. Consequently, these structures are ideally suited for ground transportation vehicle purposes. They have a complex but regular geometry.

This paper describes the full process of estimating the variability of some of the panel design parameters of thermoplastic honeycomb structures. The uncertainty of the various stiffness parameters of the core and skin is estimated from the experimentally determined modal behaviour of a set of honeycomb beam and panel samples. This work thus deals with uncertainty quantification by considering an inverse problem. Variability analysis are carried out at different scales in order to obtain a full scope of the impact and origin (from the manufacturing process) of honeycomb design parameter variability.

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Authors and Affiliations

  1. Department of Mechanical Engineering, KU Leuven Kulab, Zeedijk 101, 8400, Ostend, Belgium

    Stijn Debruyne

  2. Department of Mechanical Engineering, KU Leuven, Celestijnenlaan, 300b, 3001, Heverlee, Belgium

    Dirk Vandepitte

Authors
  1. Stijn Debruyne
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  2. Dirk Vandepitte
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Corresponding author

Correspondence to Dirk Vandepitte .

Editor information

Editors and Affiliations

  1. Institute of Structural Analysis & Antiseismic Research, National Technical University of Athens, Athens, Greece

    Manolis Papadrakakis

  2. Institute of Structural Analysis & Antiseismic Research, National Technical University of Athens, Athens, Greece

    George Stefanou

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Debruyne, S., Vandepitte, D. (2014). Using Experimentally Determined Resonant Behaviour to Estimate the Design Parameter Variability of Thermoplastic Honeycomb Sandwich Structures. In: Papadrakakis, M., Stefanou, G. (eds) Multiscale Modeling and Uncertainty Quantification of Materials and Structures. Springer, Cham. https://doi.org/10.1007/978-3-319-06331-7_7

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  • DOI: https://doi.org/10.1007/978-3-319-06331-7_7

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-06330-0

  • Online ISBN: 978-3-319-06331-7

  • eBook Packages: EngineeringEngineering (R0)

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