CAE by Isaac Gibert
Computer Aided Design Engineer
Aerodynamic shape optimization coupled with an optimization of its inner structural topology
Objectives:
a) The objective of this work is to study the coupling of two efficient optimization techniques,
Aerodynamic Shape Optimization (ASO) and Topology Optimization (TO), in 2D airfoils.
Aerodynamic Shape Optimization (ASO) and Topology Optimization (TO), in 2D airfoils.
b) 2D benchmark transonic case aerofoil RAE 2822 geometrically coinstraining the wing-box region
for the optimization procedures.
c) In the ASO problem, the lift is fixed and the drag is minimized; while in the TO problem,
compliance minimization is set as the objective for a prescribed volume fraction
d) Two test cases with available experimental data: (i) Mach 0.729 at α = 2.31º; and (ii) Mach 0.730
at α = 2.79º.
By that, it is possible to reduce the fuel consumption:
• Decreasing the required thrust to provide the motion.
• Requiring a lower lift force to fly the aircraft.
• Decreasing the required thrust to provide the motion.
• Requiring a lower lift force to fly the aircraft.
1) Algorithm
2) Mesh
3) Free-Form Deformation (FFD) box for aerodynamic shape optimization
4) Aerodynamic results
5) Structural results for the previous aerodynamic loads
6) Topology optimization for an aimed 25% of the original weight
