A numerical model for bird strike on sidewall structure of an aircraft nose

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2014
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Abstract
In order to examine the potential of using the coupled smooth particles hydrodynamic (SPH) and finite element (FE) method to predict the dynamic responses of aircraft structures in bird strike events, bird-strike tests on the sidewall structure of an aircraft nose are carried out and numerically simulated. The bird is modeled with SPH and described by the Murnaghan equation of state, while the structure is modeled with finite elements. A coupled SPH–FE method is developed to simulate the bird-strike tests and a numerical model is established using a commercial software PAM-CRASH. The bird model shows no signs of instability and correctly modeled the break-up of the bird into particles. Finally the dynamic response such as strains in the skin is simulated and compared with test results, and the simulated deformation and fracture process of the sidewall structure is compared with images recorded by a high speed camera. Good agreement between the simulation results and test data indicates that the coupled SPH–FE method can provide a very powerful tool in predicting the dynamic responses of aircraft structures in events of bird strike.
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Authors Jun, Liu;Yulong, Li;Xiaosheng, Gao;Xiancheng, Yu;
Journal chinese journal of aeronautics
Year 2014
DOI
DOI not found
URL
http://www.sciencedirect.com/science/article/pii/S1000936114000892
Keywords
Biology (General) Medicine (General) Technology (General) Engineering (General). Civil engineering (General) Technology motor vehicles. aeronautics. astronautics applied optics. photonics mathematics mining engineering. metallurgy transportation and communications canals and inland navigation. waterways

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