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Though the present book deals with fatigue related models, it does not intend to introduce or revise the classical concepts in fatigue, which have already been extensively treated in the existing literature such as the works of Haibach (1989), Conway and Sjodahl (1991), Zahavi and Torbilo...
In the evaluation and prediction of the fatigue lifetime of machines and structures the role of mathematical and statistical models is crucial, due to the high complexity of the fatigue problem, in which the consideration of the stress range, stress level and the size effect, together with an...
The fatigue characterization of structural members or mechanical components using the S-N field implies, unavoidably, limited information, due to testing difficulties. When real elements or components cannot be tested directly and have to be replaced by reduced size specimens, the experimental...
The strain-based, the stress-based and the fracture mechanics approaches constitute three complementary but comprehensive methods to face fatigue lifetime prediction of mechanical and structural elements. Depending on the specific problem being solved one of them is selected:
The analysis of fatigue failure of structural elements using the fracture mechanics approach requires the knowledge of how the crack size a grows with alternating fatigue loads (see FKM-Guideline (2003), FKM-Guideline (2004), BS7910 (2004) and SINTAP (1999)). The problem is usually simplified...
The evaluation of fatigue damage is crucial in engineering because fatigue is becoming determinant in design in the sense that it is frequently the cause of failure of mechanical components and structural elements. Fatigue failure is the culmination of a progressive process that occurs when a...
Fatigue life prediction of real structures is a very complex engineering task. Some of the reasons for which rest on: a) Difficulty or even impossibility of knowing the actual load acting on the structure. b) Existence of sequence effects including retardation and acceleration consequences due...
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