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Cited by 13Mechanical Behavior of CompositesHigh-Velocity Impact and Material BehaviorTransportation Safety and Impact Analysis

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An Extensive Crashworthiness Methodology for Advanced Propulsion Systems, Part I: Soft Impact Damage Assessment of Composite Fan Stage Assemblies

Kim, Minki, Zammit, Anthony, Siddens, Aaron, Bayandor, Javid·2011·49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition
DOI 10.2514/6.2011-980
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Abstract

Jet engines are the most susceptible aircraft structures to catastrophic damage caused by soft impact events, such as ingesting birds or hail stones. Future propulsion systems will incorporate advanced composites, particularly in the fan assembly, because of their superior strength and stiffness properties compared to metals. However, reliance on physical testing to assess the crashworthiness of engine designs currently inhibits the development of novel propulsion concepts. The findings presented in this work are part of a study aimed at developing an extensive analytical methodology for predicting and assessing damage to engine forward sections containing composite structures. In this study, a modeling approach for capturing damage due to bird strike on composite fan blades and a fan assembly was developed. Impacts on a pre-stressed composite static single blade and a full rotating fan assembly were simulated. Two numerical methods were used to model the bird using an explicit finite element (FE) code: (1) an arbitrary Lagrangian-Eulerian (ALE) method, and (2) a meshless Lagrangian particle method. First, these models were calibrated, generating interface impact pressure results that correlated well with experimental data and previous extensive FE results. Next, bird strike simulations on a single blade were carried out, with each approach capable of producing damage and failure within the composite structure. Finally, an impact scenario on a full fan stage rotating at 7200…

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Metadata

Authors
Kim, M., Zammit, A., Siddens, A., & Bayandor, J.
Affiliations
  • School of Aerospace, Mechanics & Manufacturing Engineering
  • Dpeartment of Mechanical Engineering
  • Department of Mechanical Engineering
ORCID
Venue
49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition
Publisher
American Institute of Aeronautics and Astronautics
Published
2011-01-04
DOI
10.2514/6.2011-980
OpenAlex
W2321229301
Cited by
13
References
0
Citations by year
2022: 1 · 2021: 2 · 2020: 1 · 2019: 2 · 2018: 1 · 2015: 1 · 2014: 1 · 2013: 2 · 2012: 1
FWCI
7.24
Type
conference paper
Language
en
Open access
closed
Locations
AIAA Aerospace Sciences Meeting (publishedVersion)
Topics
  • Physical Sciences › Engineering › Mechanics of Materials › Mechanical Behavior of Composites
  • Physical Sciences › Engineering › Mechanics of Materials › High-Velocity Impact and Material Behavior
  • Physical Sciences › Engineering › Automotive Engineering › Transportation Safety and Impact Analysis
Keywords
crashworthiness, bird strikes, composite fan blades, arbitrary Lagrangian-Eulerian method, impact pressure

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