Time Variant Reliability Analysis Using Bivariate Diffusive Crack Growth Modelsby J. Nienstedt, Univ of Innsbruck, Austria,
A. Tsurui, Univ of Innsbruck, Austria,
H. Tanaka, Univ of Innsbruck, Austria,
G. I. Schuëller, Univ of Innsbruck, Austria,
Abstract: This paper is concerned with the development of a time-dependent reliability concept. The time variant load carrying capacity, i.e., resistance, of a structure caused by fatigue is expressed by a bivariate diffusive crack growth model. This model allows one to consider different failure criteria. Furthermore, a sensitivity study is performed to indicate the influence of the statistical characteristics of the various variables involved on the reliability of a structure.
Subject Headings: Failure analysis | Cracking | Structural analysis | Load bearing capacity | Material failures | Time dependence | Load factors
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