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Numerical evaluation of plasticity induced crack closure in 3D structures

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F20%3APU143949" target="_blank" >RIV/00216305:26210/20:PU143949 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S2452321620301293" target="_blank" >https://www.sciencedirect.com/science/article/pii/S2452321620301293</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.prostr.2020.01.070" target="_blank" >10.1016/j.prostr.2020.01.070</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Numerical evaluation of plasticity induced crack closure in 3D structures

  • Original language description

    Fatigue growth of the crack may be retarded as a consequence of the fatigue crack closure occurrence. Complete understanding of the closure process and ability of its accurate assessment is in best interest of scientific and engineering community. In this paper, three-dimensional numerical model of M(T) specimen with straight crack front was created and subjected to loading at various load ratios from R = -1 to R = 0.1. Settings of input parameters such as element size, length of the crack growth, number of substeps and contact elements were adopted from two-dimensional analyses. Closure levels were determined by the method of first node behind the crack tip displacement monitoring. Closure level determination was performed locally for each node along the crack front, respecting the distribution of the stress intensity factor. Results were compared to experimental results and discussion on the reasons of fatigue crack front curvature was provided.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database

  • CEP classification

  • OECD FORD branch

    20301 - Mechanical engineering

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2020

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Procedia Structural Integrity

  • ISSN

    2452-3216

  • e-ISSN

  • Volume of the periodical

    23

  • Issue of the periodical within the volume

    -

  • Country of publishing house

    IT - ITALY

  • Number of pages

    6

  • Pages from-to

    101-106

  • UT code for WoS article

  • EID of the result in the Scopus database

    2-s2.0-85094200843