, Volume 50, Issue 6, pp 393–400 | Cite as

A yield criterion for perforated sheets

  • A. Litewka
  • A. Sawczuk


A criterion of yielding for homogenized materials with an internal structure generated by perforation is developed using the stress and the mixed stress-perforation tensor invariants. For a square pattern of perforation an experimental homogenization procedure is used to determine components of the perforation tensor introduced. A yield condition for the studied materials is proposed and compared with experiments conceived and performed for the purpose.


Neural Network Complex System Perforation Information Theory Nonlinear Dynamics 
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Es wird ein Fließkriterium entwickelt für Materialien mit durch Perforation erzeugter innerer Struktur. Die Herleitung gründet sich auf gemischte Invarianten von Spannungs- und Perforationstensor. Für ein rechteckiges Perforationsmuster wird eine experimentelle Homogenisierung zur Ermittlung der Komponenten des Perforationstensors durchgeführt. Der vorgeschlagene Fließort wird mit experimentellen Ergebnissen verglichen.


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Copyright information

© Springer-Verlag 1981

Authors and Affiliations

  • A. Litewka
    • 1
  • A. Sawczuk
    • 2
  1. 1.Institute for Engineering StructuresTechnical UniversityPoznanPoland
  2. 2.Polish Academy of SciencesWarsawPoland

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