ROBUST BIRD-STRIKE MODELING USING LS-DYNA

ROBUST BIRD-STRIKE MODELING USING LS-DYNA

LAGRANGIAN, ARBITRARY LAGRANGE EULERIAN AND SMOOTH PARTICLE HYDRODYNAMICS MODELS

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Collisions between a bird and an aircraft, also known as a bird-strike event, are very common and dangerous.In order to predict the damage of the components of a turbine fan blade in a bird-strike, it is necessary to create an appropriate model for the blade and the bird. Several simulations were carried out using the Lagrange equations to simulate this impact. This work presents alternative standard practices for the modeling of bird-strike events using the Arbitrary Lagrange Eulerian (ALE) and Smooth Particle Hydrodynamics (SPH) methods within the LS-DYNA finite element code. People interest...