Journal
ENERGIES
Volume 15, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/en15103699
Keywords
air transportation safety; bird strikes; bird modelling; experimental and numerical investigation; SPH
Categories
Funding
- Polish Air Force University
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The article discusses the experimental and numerical studies conducted on bird models during impacts with rigid and deformable targets. The aim of these studies is to validate bird models for numerical simulations of bird impact against aircraft windshields and other aircraft parts, thereby enhancing air transportation safety.
The article presents experimental and numerical studies of bird models during impacts with rigid and deformable targets. The main aim of the studies is the validation of bird models in order to prepare them for the numerical simulation of bird impact against aircraft windshields and other parts of aircraft, thus improving the air transportation safety by providing cost-effective solutions for designing bird strike-resistant aircraft. The experimental investigations were conducted with a special set-up of a gas gun equipped with high-speed cameras, tensiometers and force sensors. The simulations were developed on the basis of LS-DYNA software by means of the SPH method for the bird model shape of the cylinder with hemispherical endings at the speed of 116 m/s. The results of studies into such things as the impact force, pressure and bird model deformation were compared. Moreover, the authors' and other researchers' results were assessed. It can be noted that the curves of the impact force obtained as a result of the numerical analysis correlated well with the experimental ones.
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