Numerical Evaluation of Fatigue Crack Growth of Structural Steels using Energy Release Rate with VCCT.

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dc.contributor.authorBusari, Y. O.
dc.contributor.authorManurung, Y.H.P.
dc.contributor.authorLeitner, M.
dc.contributor.authorShuaib‐Babata, Y. L.
dc.contributor.authorMat, M. F.
dc.contributor.authorIbrahim, H. K.
dc.contributor.authorSimunek, D.
dc.contributor.authorSulaiman, M. S.
dc.date.accessioned2022-03-23T09:48:21Z
dc.date.available2022-03-23T09:48:21Z
dc.date.issued2022-03
dc.description.abstractThis research presents the numerical evaluation of fatigue crack growth of structural steels S355 and S960 based on Paris’ law parameters (C and m) that are experimentally determined with a single edge notched tension (SENT) specimen using optical and crack gauge measurements on an electromotive resonance machine at constant amplitude load. The sustainable technique is replacing destructive, time‐consuming and expensive approaches in structural integrity. The crack propagation is modelled using the 3D finite element method (FEM) with adaptive remeshing of tetrahedral elements along with the crack initiator elements provided in simulation software for crack propagation based on linear elastic fracture mechanics (LEFM). The stress intensity is computed based on the evaluation of energy release rates according to Irwin’s crack closure integral with applied cyclic load of 62.5 MPa, 100 MPa and 150 MPa and stress ratios of R = 0 and 0.1. In order to achieve optimized mesh size towards load cycle and computational time, mesh and re‐mesh sensitivity analysis is conducted. The results indicate that the virtual crack closure technique VCCT‐based 3D FEM shows acceptable agreement compared to the experimental investigation with the percentage error up to 7.9% for S355 and 12.8% for S960 structural steel.en_US
dc.identifier.citationBusari Y. O., Manurung Y.H.P., Leitner M., Shuaib‐Babata Y. L., Mat M. F., Ibrahim H. K., Simunek D., Sulaiman M. S. (2022). Numerical Evaluation of Fatigue Crack Growth of Structural Steels using Energy Release Rate with VCCT. Applied Sciences, 12 (2641), 1-14. Published by MDPI, Basel, Switzerland, Available online at: https://www.mdpi.com/search?q=Numerical+Evaluation+of+Fatigue+Crack+Growth+of+Structural+Steels+using+Energy+Release+Rate+with+VCCT&journal=applsci&article_type=research-article https://doi.org/10.3390/app12052641en_US
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/20.500.12484/7783
dc.language.isoenen_US
dc.publisherMDPI, Basel, Switzerlanden_US
dc.subjectcrack growthen_US
dc.subjectstructural steelen_US
dc.subjectfracture mechanicen_US
dc.subjectfinite element modelen_US
dc.titleNumerical Evaluation of Fatigue Crack Growth of Structural Steels using Energy Release Rate with VCCT.en_US
dc.typeArticleen_US

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