Numerical analysis of a semi-circular disc with an angled crack loaded in mixed-mode
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F20%3APU136444" target="_blank" >RIV/00216305:26110/20:PU136444 - isvavai.cz</a>
Result on the web
<a href="http://www.cecem.eu/publications/monograph_research_and_modelling_in_civil_engineering_2019.pdf" target="_blank" >http://www.cecem.eu/publications/monograph_research_and_modelling_in_civil_engineering_2019.pdf</a>
DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Numerical analysis of a semi-circular disc with an angled crack loaded in mixed-mode
Original language description
A semi-circular disc with an angled crack loaded in mixed-mode (mode I + II) was chosen for a numerical analysis of crack deflection angles. Although the mode I of loading is often dominant in engineering praxis, lots of structures are subjected at least at the beginning of the crack propagation to a mixed-mode loading. Therefore, it is necessary to study the crack behaviour under such conditions and it has been shown that the multi-parameter fracture mechanics approach can be useful in this case of loading. Thus, various cracked configurations of the semi-circular disc were simulated numerically under three-point bending and a generalized form of selected fracture criteria is applied to calculate the crack deflection angle. It is discussed, which configurations can be safely described by means of the classical single-parameter fracture mechanics (i.e. only the stress intensity factors KI and KII controls the crack propagation), and which ones shall be analysed via multi-parameter fracture mechanics based on the Williams expansion. As the result, several configurations of the semi-circular disc with an angled crack under three-point bending are recommended to be tested experimentally in order to prove the results of the numerical simulations based on the finite elements.
Czech name
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Czech description
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Classification
Type
C - Chapter in a specialist book
CEP classification
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OECD FORD branch
20101 - Civil engineering
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Book/collection name
Research and Modelling in Civil Engineering 2019
ISBN
978-83-7365-525-6
Number of pages of the result
14
Pages from-to
71-84
Number of pages of the book
150
Publisher name
Koszalin University of Technology Publishing House
Place of publication
Koszalin
UT code for WoS chapter
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