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Fuzzy probability analysis of the fatigue resistance of steel structural members under bending

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F08%3APU77163" target="_blank" >RIV/00216305:26110/08:PU77163 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Fuzzy probability analysis of the fatigue resistance of steel structural members under bending

  • Original language description

    The paper is aimed at the fuzzy probabilistic analysis of fatigue resistance due to uncertainty of input parameters. The fatigue resistance of the steel member is evaluated by linear fracture mechanics as the number of cycles leading to the propagation of initial cracks into a critical crack resulting in brittle fracture. When the histogram of stress range is known, the fatigue resistance is a random variable. In the event that the histogram is unknown or was acquired from a small number of experiments,another source of uncertainty is of an epistemic origin. Two basic approaches, which make provision for uncertainty of input histograms of stress range, are illustrated in the paper. Uncertainty of histograms of stress range is taken into account by thevariability of equivalent stress range in the first stochastic approach. Input histograms as considered as members of a fuzzy set in the second approach.

  • Czech name

    Pravděpodobnostní analýza únavové odolnosti ocelového konstrukčního prvku namáhaného ohybem

  • Czech description

    Cílem článku je fuzzy pravděpodobnostní analýza únavové odolnosti v důsledku neurčitosti vstupních parametrů. Únavová odolnost ocelového prvku je evaluována s využitím lineární lomové mechaniky popisující šíření počáteční trhliny až na konečnou kritickouvelikost. Pokud je histogram změny napětí zatížený neurčitostí, je studován případ zohlednění ekvivalentním rozkmitem napětí. Dále je studován případ, kdy je uvažována fuzzy množina počátečních histogramů a analyzován vliv této neurčitosti na výstupní únavovou odolnost.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    JM - Structural engineering

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2008

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of civil engineering and management

  • ISSN

    1392-3730

  • e-ISSN

  • Volume of the periodical

    14

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    LT - LITHUANIA

  • Number of pages

    6

  • Pages from-to

  • UT code for WoS article

  • EID of the result in the Scopus database