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Computational modelling of high-cycle fatigue using a continuum based model

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific


Original languageEnglish
Title of host publicationProceedings of the NSCM28
Subtitle of host publication28th Nordic Seminar on Computational Mechanics, October 22 – 23, 2015, Tallinn, Estonia
Number of pages4
ISBN (Electronic)978-9949-430-96-3
Publication statusPublished - 2015
Publication typeB3 Non-refereed article in conference proceedings
EventNordic Seminar on Computational Mechanics -
Duration: 1 Jan 2010 → …


ConferenceNordic Seminar on Computational Mechanics
Period1/01/10 → …


In this paper a computational implementation of continuum based transversally isotropic fatigue model is described. The key idea of the continuum based HCF-model is the moving endurance surface where the movement is described by a back stress type tensor, the evolution of which is described by a rate type equation. Furthermore, damage accumulation is also governed with a rate type evolution equation. The model is implemented in the Abaqus FE-program using the user material subroutine. Two strategies to perform a fatigue analysis are compared in a standard cycling loading case. The first analysis reflects the procedure used in a standard fatigue computation. In the second analysis type the effect of evolving damage fields on fatigue life is investigated.

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Field of science, Statistics Finland

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