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Vorträge und Posterpräsentationen (mit Tagungsband-Eintrag):

G. Kravchenko, H. E. Pettermann:
"A Cyclic Cohesive Zone Model for Transient Thermomechanical Loading";
Vortrag: 11th World Congress on Compuational Mechanics (WCCM XI), Barcelona; 20.07.2014 - 25.07.2014; in: "Proceedings of the 11th World Congress on Compuational Mechanics", E. Oñate, X. Oliver, A. Huerta (Hrg.); CIMNE, Barcelona (2014), ISBN: 978-84-942844-7-2; S. 1778 - 1789.



Kurzfassung englisch:
A cyclic cohesive zone model based on a damage evolution equation is extended onto a case of transient thermal loading conditions. The thermomechanical extension is realised by augmenting mechanical relations with relations for thermal flux across the cohesive zone for both open and closed crack states. The model is also extended onto the case of anisothermal fatigue by incorporating temperature dependence of the cohesive zone model parameters. Furthermore, a cycle jump technique based on the direct iteration of the damage evolution equation is implemented and utilised to speed-up the fatigue simulations. A finite element analysis of fatigue crack growth at an interface of a bilayer structure under pulsing thermal loading is carried out and discussed in detail.

Erstellt aus der Publikationsdatenbank der Technischen Universität Wien.