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Calculation of Stress Intensity Factor for an Internal Circumferential Crack in a Rotating Functionally Graded Thick-Walled Hollow Circular Cylinder under Thermal Shock

Calculation of Stress Intensity Factor for an Internal Circumferential Crack in a Rotating... AbstractIn this article, the fracture behavior of functionally graded thick-walled cylinder under thermo-mechanical shock is investigated. For this purpose, classical coupled thermoelastic equations are used in calculations. First, these equations are discretized with extended finite element method (XFEM) in the space domain and then they are solved by the Newmark method in the time domain. The most general form of interaction integral is extracted for axially symmetric circumferential crack in a cylinder under thermal and mechanical loads in functionally graded materials and is used to calculate dynamic stress intensity factors (SIFs). The problem solution has been implemented in MATLAB software. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archive of Mechanical Engineering de Gruyter

Calculation of Stress Intensity Factor for an Internal Circumferential Crack in a Rotating Functionally Graded Thick-Walled Hollow Circular Cylinder under Thermal Shock

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References (34)

Publisher
de Gruyter
Copyright
© by Mohammad Reza Ghafoor Elahi
ISSN
2300-1895
eISSN
2300-1895
DOI
10.1515/meceng-2017-0027
Publisher site
See Article on Publisher Site

Abstract

AbstractIn this article, the fracture behavior of functionally graded thick-walled cylinder under thermo-mechanical shock is investigated. For this purpose, classical coupled thermoelastic equations are used in calculations. First, these equations are discretized with extended finite element method (XFEM) in the space domain and then they are solved by the Newmark method in the time domain. The most general form of interaction integral is extracted for axially symmetric circumferential crack in a cylinder under thermal and mechanical loads in functionally graded materials and is used to calculate dynamic stress intensity factors (SIFs). The problem solution has been implemented in MATLAB software.

Journal

Archive of Mechanical Engineeringde Gruyter

Published: Dec 20, 2017

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