Identification of the key design inputs for the FEM-based preliminary sizing and mass estimation of a civil aircraft wing box structure

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dc.contributor.authorYou, Chao
dc.contributor.authorYasaee, Mehdi
dc.contributor.authorHe, Shun
dc.contributor.authorYang, Daqing
dc.contributor.authorXu, Yigeng
dc.contributor.authorDayyani, Iman
dc.contributor.authorGhasemnejad, Hessam
dc.contributor.authorGuo, Shijun
dc.contributor.authorWebb, Phil
dc.contributor.authorJennings, James
dc.contributor.authorFederico, Giovanni
dc.date.accessioned2022-01-06T19:11:28Z
dc.date.available2022-01-06T19:11:28Z
dc.date.issued2021-12-14
dc.description.abstractFEM-based preliminary structural sizing has been successfully carried out for a typical single-aisle wing box structure using MSC Nastran, by considering various load cases representing typical aircraft manoeuvres, engine loads, landing and ground handling conditions. The strength, buckling and fatigue criteria have been applied as the design constraints for sizing. The resultant total mass and the structural (static and modal) behaviour of the sized wing box model have been verified against a validated high-fidelity wing box model. A sensitivity analysis has been performed to evaluate the influence of the number of design fields and the selected design inputs (i.e. load cases and design constraints) on the accuracy of sizing and mass estimation of the wing box. This sensitivity analysis has also been extended to the static and modal behaviour of the wing box structure obtained from sizing. It provides an insight into the significance of considering the buckling and fatigue constraints, aircraft rolling loads, engine loads and landing loads in sizing, in addition to the commonly-applied 2.5 g aircraft pull-up loads under the strength constraint. The findings of this study highlight the trade-off between the sizing efficiency and accuracy of a civil aircraft wing for modelling purposes.en_UK
dc.identifier.citationYou C, Yasaee M, He S, et al., (2022) Identification of the key design inputs for the FEM-based preliminary sizing and mass estimation of a civil aircraft wing box structure. Aerospace Science and Technology, Volume 121, February 2022, Article number 107284en_UK
dc.identifier.issn1270-9638
dc.identifier.urihttps://doi.org/10.1016/j.ast.2021.107284
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/17379
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectWing mass estimationen_UK
dc.subjectWing box sizingen_UK
dc.subjectFinite element modelen_UK
dc.subjectAircraft loadsen_UK
dc.subjectStructural analysisen_UK
dc.titleIdentification of the key design inputs for the FEM-based preliminary sizing and mass estimation of a civil aircraft wing box structureen_UK
dc.typeArticleen_UK

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