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Compression After Multiple Impacts: Modelling and Experimental Validation on Composite Curved Stiffened Panels

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Smart Intelligent Aircraft Structures (SARISTU)

Abstract

This research investigates the post-impact behaviour of composite fuselage panels subjected to multi-site low-velocity impacts. Large curved stiffened panels (1.2 m × 0.8 m, with composite skins/stiffeners and aluminium frames) of two different skin thicknesses were subjected to sequential drop-weight impacts at locations previously determined to be critical in FE simulations. After assessment of the impact damage, each panel was tested in compression. High-speed video, strain gauges, digital image correlation and acoustic emission were used to monitor the failure development and to provide data for comparison with the FE simulations. The FE models, which were based on a mesomechanical approach, showed a good agreement with both the impact damage and the subsequent compression performance.

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Abbreviations

FE:

Finite elements

LVI:

Low-velocity impacts

CAI:

Compression after impact

DIC:

Digital image correlation

HSC:

High-speed camera

AE:

Acoustic emission

HD:

High definition

KVE:

KVE composite structures BV

NDT:

Non destructive testing

PAG:

Premium AEROTEC GmbH

References

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  4. Dávila CG, Camanho PP (2003) Failure criteria for FRP laminates in plane stress, paper 2003-1991

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Acknowledgements

This project has received funding from the European Union’s Seventh Framework Programme for research, technological development and demonstration under grant agreement no 284562.

Author information

Authors and Affiliations

  1. Department of Aeronautics, Imperial College London, South Kensington Campus, London, SW7 2AZ, UK

    Spyridon Psarras, Raul Muñoz, Mazdak Ghajari & Paul Robinson

  2. Research and Technology, Airbus Operations GmbH, 21129, Hamburg, Germany

    Domenico Furfari

  3. Structural Analysis Process and M&T, Airbus Operations GmbH, 21129, Hamburg, Germany

    Arne Hartwig

  4. Altran GmbH and Co KG, Hein-Saß-Weg 30, 21129, Hamburg, Germany

    Ben Newman

Authors
  1. Spyridon Psarras
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  2. Raul Muñoz
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  3. Mazdak Ghajari
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  4. Paul Robinson
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  5. Domenico Furfari
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  6. Arne Hartwig
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  7. Ben Newman
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Corresponding author

Correspondence to Spyridon Psarras .

Editor information

Editors and Affiliations

  1. AIRBUS Operations GmbH, Bremen, Germany

    Piet Christof Wölcken

  2. EASN Technology Innovation Services, Budingen, Belgium

    Michael Papadopoulos

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© 2016 Springer International Publishing Switzerland

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Psarras, S. et al. (2016). Compression After Multiple Impacts: Modelling and Experimental Validation on Composite Curved Stiffened Panels. In: Wölcken, P., Papadopoulos, M. (eds) Smart Intelligent Aircraft Structures (SARISTU). Springer, Cham. https://doi.org/10.1007/978-3-319-22413-8_32

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  • DOI: https://doi.org/10.1007/978-3-319-22413-8_32

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-22412-1

  • Online ISBN: 978-3-319-22413-8

  • eBook Packages: EngineeringEngineering (R0)

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