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Introducing a discrete modelling technique for buckling of panels under combined loading

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Abstract

The paper introduces a discrete model to describe the buckling of a stiffened panel beam under a complex loading environment. The study begins by examining the existing load interaction equation for a continuous panel. Experimental and finite element investigations establish the validity of considering the critical panel of a more complex structure in isolation. The paper then devises a discrete model for this critical panel, which was validated for a range of boundary conditions using anti-optimisation. The numerical results show that the discrete model exhibits the buckling behaviour of a continuous panel under combined loading. Recent studies established that the truss-lattice configuration has stable post-buckling behaviour and derived fast analysis technique for such a structure. It is therefore concluded that the truss-lattice model introduced in the present paper can offer a fast analysis formulation for buckling (and potentially post-buckling) of multiple-panel beams suitable for optimisation.

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Authors and Affiliations

  1. Department of Mechanical Engineering, University of Bath, Bath, BA2 7AY, UK

    H. A. Kim & P. A. Williams

  2. Cardiff School of Engineering, Cardiff University, Queen’s Buildings, Cardiff, CF24 3AA, UK

    C. A. Featherston

  3. Airbus UK, Filton, Bristol, UK

    J. Ussel

Authors
  1. H. A. Kim
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  2. C. A. Featherston
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  3. J. Ussel
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  4. P. A. Williams
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Correspondence to H. A. Kim.

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Kim, H.A., Featherston, C.A., Ussel, J. et al. Introducing a discrete modelling technique for buckling of panels under combined loading. Struct Multidisc Optim 36, 3–13 (2008). https://doi.org/10.1007/s00158-007-0188-1

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  • DOI: https://doi.org/10.1007/s00158-007-0188-1

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