Composite Materials And Bird-strike Analysis Using Explicit Finite Element Commercial Codes

The impact of a bird represents one of the most dangerous events for the safety of the modern aircraft. Statistics report that the consequences can be tragic, especially for the small airplanes. In this work, the impact of a bird against a nacelle inlet is analysed by the means of a proven Explicit...

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Bibliographic Details
Published in:WIT Transactions on the Built Environment 2004-01, Vol.73
Main Authors: Anghileri, M, L.M.L. Castelletti, Lanzi, L, Mentuccia, F
Format: Article
Language:English
Subjects:
Aircraft safety
Bird strike tests
Bird-aircraft collisions
Composite materials
Constitutive models
Finite element method
Impact analysis
Impact tests
Light aircraft
Mathematical analysis
Mathematical models
Skin
Statistical analysis
Tubes
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Summary:The impact of a bird represents one of the most dangerous events for the safety of the modern aircraft. Statistics report that the consequences can be tragic, especially for the small airplanes. In this work, the impact of a bird against a nacelle inlet is analysed by the means of a proven Explicit Finite Element (FE) code, LSTC LS-Dyna. In particular, the dynamic characterisation of the composite materials used in manufacturing the external skin of the inlet was achieved by referring to the drop-tests carried out using thin walled tubes of the same material. The data collected were used to define and tune the damage law of the numerical model. Once the material constitutive model was validated, an actual bird impact test was numerically analysed. In particular, two d
ISSN:1746-4498
1743-3509
DOI:10.2495/SU040431