A parametric study of bird strike on engine blades

Treatment of contact between the bird (SPH particles) and the blade (FE mesh), was one of the key aspects in the bird strike analysis. The particle to node and the particle to surface contact algorithms, available in the code, were assessed and their performance compared. This was followed by a number of parametric studies including: influence of the bird shape; the bird impact location and impact timing. Simulation results from these studies were compared and validated against the final deformed shape of the blade recovered from the bird strike test.