Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/43322
DC FieldValueLanguage
dc.contributorDepartment of Mechanical Engineering-
dc.creatorGao, H-
dc.creatorFei, C-
dc.creatorBai, G-
dc.creatorDing, L-
dc.date.accessioned2016-06-07T06:15:50Z-
dc.date.available2016-06-07T06:15:50Z-
dc.identifier.issn1270-9638 (print)-
dc.identifier.issn1626-3219 (online)-
dc.identifier.urihttp://hdl.handle.net/10397/43322-
dc.language.isoenen_US
dc.publisherElsevier Massonen_US
dc.subjectDistributed collaborative response surface methoden_US
dc.subjectLow-cycle fatigue lifeen_US
dc.subjectRandom variableen_US
dc.subjectReliability analysisen_US
dc.subjectThermo-structural interactionen_US
dc.subjectTurbine bladeen_US
dc.titleReliability-based low-cycle fatigue damage analysis for turbine blade with thermo-structural interactionen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage289-
dc.identifier.epage300-
dc.identifier.volume49-
dc.identifier.doi10.1016/j.ast.2015.12.017-
dcterms.abstractTo improve the computational accuracy and efficiency of complex mechanical component like engine turbine structure, distributed collaborative response surface method is applied to the reliability analysis of aeroengine turbine blade low-cycle fatigue damage. The improved Manson-Coffin formulas with different confidence levels are established based on the linear variance regression analysis in the application of the fatigue data of nickel-based superalloy GH4133. The distributed response surfaces of strain range δ"δμt and mean stress γ are established by considering the randomness of the design sizes, working loads and material parameters. And then δ"δμt and γ are regarded as the basic input variables of fatigue life Nf to complete turbine blade low-cycle fatigue damage reliability analysis by the Miner cumulative damage theory. The probabilistic sensitivity analyses demonstrate that the fatigue performance parameters hold important influence on the low-cycle fatigue life of turbine blade. Through the comparison of methods, it is revealed that distributed collaborative response surface method is superior to response surface method in computational precision and efficiency, especially for low confidence level. The efforts give the conclusion that distributed collaborative response surface method is a promising approach in ameliorating the computational precision and efficiency of reliability analysis, which enriches the reliability theory and method of complex mechanical structure with multi-component and multi-failure mode.-
dcterms.bibliographicCitationAerospace science and technology, 2016, v. 49, p. 289-300-
dcterms.isPartOfAerospace science and technology-
dcterms.issued2016-
dc.identifier.scopus2-s2.0-84954098872-
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