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Stochastic Analysis for Short Edge Cracks under Selected Loads
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SYSNO ASEP 0495794 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Stochastic Analysis for Short Edge Cracks under Selected Loads Author(s) Krejsa, M. (CZ)
Brožovský, J. (CZ)
Lehnert, P. (CZ)
Seitl, Stanislav (UFM-A) RID, ORCID
Kala, Z. (CZ)Number of authors 5 Source Title INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS (ICNAAM 2017). - Melville : AIP, 2018 - ISSN 0094-243X - ISBN 978-0-7354-1690-1 Pages 150006-1-150006-4 Series AIP Conference Proceedings Number of pages 4 s. Publication form Print - P Action ICNAAM 2017 - INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS Event date 25.09.2018 - 30.09.2018 VEvent location Thessaloniki Country GR - Greece Event type WRD Language eng - English Country US - United States Keywords reliability-analysis ; fatigue ; inspection Subject RIV JL - Materials Fatigue, Friction Mechanics OECD category Audio engineering, reliability analysis R&D Projects GA17-01589S GA ČR - Czech Science Foundation (CSF) Institutional support UFM-A - RVO:68081723 UT WOS 000445105400139 EID SCOPUS 85050004861 DOI 10.1063/1.5043797 Annotation The article is focused on the exploration of fatigue damage to bridges and steel structures subjected to cyclic loading. Computational model is focused on fatigue crack propagating from the surface and it is based on linear elastic fracture mechanics utilizing the Paris-Erdogan's law. The behavior of the carrier element susceptible to fatigue damage is experimentally investigated on specimens with various types of load and it is expressed by a calibration function. For the prediction of fatigue damage over time, calibration functions for short edge cracks were derived based on the results of the experiment, and the acceptable size of the fatigue crack in damaged structural component under analysis was determined. Using the derived relationships. a stochastic analysis of the selected element was performed and the results are discussed. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2019
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