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Conditions and assumptions of strength criteria

: Kolupaev, V.A.


Kolupaev, Vladimir, A.:
Equivalent stress concept for limit state analysis
Cham: Springer International Publishing, 2018 (Advanced structured materials 86)
ISBN: 978-3-319-73048-6 (Print)
ISBN: 978-3-319-73049-3 (Online)
ISBN: 3-319-73048-7
DOI: 10.1007/978-3-319-73049-3
Aufsatz in Buch
Fraunhofer LBF ()

The equivalent stress concept (Sect. 1.2) is an engineering tool. There are no physical principles (e.g., balance equations in Continuum Mechanics, Altenbach, Kontinuumsmechanik: Einführung in die materialunabhängigen und materialabhängigen Gleichungen, Springer, Berlin, 2015, [1]; Altenbach and Altenbach, Einführung in die Kontinuumsmechanik, Teubner, Stuttgart, 1994, [2]) underlying such a formulation. This chapter summarizes the necessary conditions and the most important plausibility assumptions providing reliable criteria for the real-life applications. In particular, recent developments of criteria are discussed as well as the need of a generalized hypothesis.