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Problem: excessive mass of the rear structure of the car
Potential mass savings in rear wing pillar
Aim of the study: minimise the mass of the rear wing pillar while sustaining aerodynamic load and complying with FIA (Fédération Internationale de L’Automobile) regulations
Tuesday 23rd of April 2013 2013 EATC Turin 4
Result of CFD simulation for the car in a straight
line: contour of pressure coefficient and stream
lines
Problem definition
Load cases:
Tuesday 23rd of April 2013 2013 EATC Turin 5
Rear wing pillar initial design with
rear wing assembly
F3/2
F3/2
FIA regulations 2
Vertical static load F1
F2
Maximum speed in straight line
1 Aerodynamic forces
x
z
Analysis
Optimization Constraints:
Optimization process:
→ optimization from closed volume necessarily means reduction in stiffness!