ISSN:
1013-9826
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
The paper presents the results of a continued study of curved fatigue crack growth in amultiple arbitrarily pre-cracked isotropic sheet under plane stress loading. The predictor-correctormethod (PCM) was extended in order to analyse the growth of multiple crack systems in a finite 2Dstructure. Together with the recently proposed improved modified virtual crack closure integral(MVCCI) method we can obtain accurate SIF values also for interacting cracks, and furthermore wecan simulate fatigue crack growth of multiple crack systems in plane sheets under proportionalmixed mode loading conditions. As a result, the program PCCS-2D is written to run within ANSYSto simulate interacting curved cracks. In order to check the accuracy and efficiency of the proposedmethod several example problems are solved. Especially curved cracks emanating from loaded fastenerholes in sheets are analysed
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/01/52/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.324-325.863.pdf
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