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Applied Sciences
Volume 10
Issue 22
10.3390/app10228187
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Article

A Sensitivity Analysis of the Damage Behavior of a Leading-Edge Subject to Bird Strike

by
Francesco Di Caprio
1,*,
Andrea Sellitto
2,
Salvatore Saputo
2,
Michele Guida
3 and
Aniello Riccio
2
1
CIRA—Italian Aerospace Research Centre, via Maiorise snc, 81043 Capua, Italy
2
Department of Engineering, University of Campania “Luigi Vanvitelli”, via Roma 29, 81031 Aversa, Italy
3
Department of Industrial Engineering, University of Naples Federico II, Via Claudio 21, 80125 Naples, Italy
*
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(22), 8187; https://doi.org/10.3390/app10228187
Submission received: 23 September 2020 / Revised: 8 November 2020 / Accepted: 18 November 2020 / Published: 19 November 2020
(This article belongs to the Special Issue Advanced Materials and Technologies for Aerospace Applications)
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Abstract

This paper aims to investigate the crashworthiness capability of a commercial aircraft metallic sandwich leading edge, subjected to bird strike events. A sensitivity analysis is presented, aimed to assess the influence of the skin parameters (inner and outer faces and core thicknesses) on the leading-edge crashworthiness and to determine, among the configurations able to withstand a bird strike event, the best compromise in terms of weight and structural performances. In order to easily manage the design parameters and the output data, the ModeFrontier code was used in conjunction with the FE code Abaqus/Explicit. A dedicated python routine was developed to define a fully parametric simplified leading-edge model. To fulfill the aerodynamic requirements, the external surfaces were considered fixed during the sensitivity analysis, and, thus, only the internal leading edge’s components were modified to study their influence on the structural response. The total mass of the model, the maximum deformation and the energy dissipated due to material failure and the plastic deformations were monitored and used to compare and assess the behavior of each configuration.
Keywords: SPH; bird-strike; dynamic analysis; sandwich structure SPH; bird-strike; dynamic analysis; sandwich structure

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MDPI and ACS Style

Di Caprio, F.; Sellitto, A.; Saputo, S.; Guida, M.; Riccio, A. A Sensitivity Analysis of the Damage Behavior of a Leading-Edge Subject to Bird Strike. Appl. Sci. 2020, 10, 8187. https://doi.org/10.3390/app10228187

AMA Style

Di Caprio F, Sellitto A, Saputo S, Guida M, Riccio A. A Sensitivity Analysis of the Damage Behavior of a Leading-Edge Subject to Bird Strike. Applied Sciences. 2020; 10(22):8187. https://doi.org/10.3390/app10228187

Chicago/Turabian Style

Di Caprio, Francesco, Andrea Sellitto, Salvatore Saputo, Michele Guida, and Aniello Riccio. 2020. "A Sensitivity Analysis of the Damage Behavior of a Leading-Edge Subject to Bird Strike" Applied Sciences 10, no. 22: 8187. https://doi.org/10.3390/app10228187

APA Style

Di Caprio, F., Sellitto, A., Saputo, S., Guida, M., & Riccio, A. (2020). A Sensitivity Analysis of the Damage Behavior of a Leading-Edge Subject to Bird Strike. Applied Sciences, 10(22), 8187. https://doi.org/10.3390/app10228187

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