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Generalized cavitation criterion for poro-hyperelastic materials

: Drass, M.; Kolupaev, V.; Rosendahl, P.L.; Schneider, J.; Becker, W.


Schneider, J.:
Forschungskolloquium 2018 Grasellenbach : Baustatik-Baupraxis e.V.; Forschungs-Kolloquium Baustatik-Baupraxis 2018, 03.10.2018 bis 06.10.2018, Grasellenbach
Wiesbaden: Springer Fachmedien, 2018
ISBN: 978-3-658-23626-7 (Print)
ISBN: 978-3-658-23627-4 (Online)
Forschungs-Kolloquium Baustatik-Baupraxis <2018, Grasellenbach>
Conference Paper
Fraunhofer LBF ()
cavitation criterion; poro-hyperelastic material; three-dimensional stress space; excessive void growth; degradation of bulk modul

A cavitation criterion defines a failure surface in three-dimensional stress space, which represents the onset of excessive void growth and therefore the strong degradation of the bulk modulus considering rubber-like materials [2, 3]. The damaging effect of cavitation was analyzed experimentally by Busse [1], Yerzley [9] and later Gent & Lindley [5]. In the pioneering work of Gent & Lindley [5], two flat cylinders vulcanized with thin sheets of natural rubber were tested in axial tension.