Numerical Simulation of Multiple Fatigue Crack Growth with Additional Crack Initiation

Dirk Holländer; Michael Wünsche; S. Henkel; Holger Theilig

doi:10.4028/www.scientific.net/KEM.488-489.444

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 488-489Numerical Simulation of Multiple Fatigue Crack...

Numerical Simulation of Multiple Fatigue Crack Growth with Additional Crack Initiation

Abstract:

In this paper, advanced numerical simulations of curved crack growth in the case of multiple crack systems in combination with the analysis of the plastic limit load by the lower bound theorem of plasticity are presented. In order to take additionally initiated cracks during the crack growth process into account, the numerical simulation algorithm has been extended by using the Smith-Watson-Topper (SWT) parameter in combination with a linear fatigue damage accumulation.

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Periodical:

Key Engineering Materials (Volumes 488-489)

Pages:

444-447

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.488-489.444

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Online since:

September 2011

Authors:

Dirk Holländer, Michael Wünsche, S. Henkel, Holger Theilig

Keywords:

Crack Path Simulation, Failure Assessment Diagram, Multiple Crack Systems, Plastic Limit Load, Smith-Watson-Topper (SWT) Parameter

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References

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