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Buckling, postbuckling and imperfection-sensitivity: Old questions and some new answers

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Abstract

From the point-of-view of economy and safety it is desirable to employ structural configurations with a favorable strength-to-weight ratio and a sufficiently small imperfection-sensitivity. The presentation focuses on two examples falling into this category: The axially compressed cylindrical shell filled with – and/or surrounded by - a compliant core, and auxetic structures. Both exhibit unexpected aspects in their load-carrying behavior and have a significant weight-savings potential.

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Authors and Affiliations

  1. Lehrstuhl für Baumechanik.Statik, Universität Dortmund, D-44221, Dortmund, Germany

    H. Obrecht, B. Rosenthal, P. Fuchs, S. Lange & C. Marusczyk

Authors
  1. H. Obrecht
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  2. B. Rosenthal
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  3. P. Fuchs
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  4. S. Lange
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  5. C. Marusczyk
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Correspondence to H. Obrecht.

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Obrecht, H., Rosenthal, B., Fuchs, P. et al. Buckling, postbuckling and imperfection-sensitivity: Old questions and some new answers. Comput Mech 37, 498–506 (2006). https://doi.org/10.1007/s00466-005-0732-z

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  • DOI: https://doi.org/10.1007/s00466-005-0732-z

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