Strike Force II

21/03/2011

One of the initial simulations using a Coupled Eulerian Lagrangian formulation to analyse a bird impact on a simple wing box.

09/03/2011

Side on View of the Testing of the High Pressure Launcher at 38 Psi

09/03/2011

Testing of High Pressure Launcher at 38 Psi, with a deflated football

05/03/2011

03/03/2011

Fixed frame boundary conditions.
The simulation is split into 60 frames to make a smoother video.

25/02/2011

Updated modelling for the fixed frame which will be used experimentally.
The plate is only constrained at the 8 holes. This means that it is allowed to move forward at the corners.

25/02/2011

New boundary conditions have been applied to the plate to make them equal to the experimental rig which is currently being set up.
The plate is made of aluminium 6061-T6. The Johnson Cook Hardening and Damage models have been used to model the failure of the plate during impact.
The simulation runs for 0.003 seconds, and the bird projectile is modelled as a fluid with density slightly lower than water. It is travelling at 100 m/s.
The colours on the plate display the Von Mises stress (with units of pressure).
The asymmetric nature of the failure is due to modelling inaccuracies.

10/02/2011

Coupled Eulerian Lagrangian simulation with reduced element size.

27/01/2011

Testing of gelatine bird projectile on an alumium plate at an angle of 24 degrees in Abaqus FEA.

09/12/2010

02/12/2010

CEL method with maximum deflection of plate

02/12/2010

One of the first successful Coupled Eulerain Lagrangian (CEL) simulations of 1.8 kg bird impacting on 5 mm thick aluminium plate.