The Design – Pressure Contour on Rear Spoiler “Molto Veloce” Lamborghini Aventador | Ansys Fluent

The Design – Pressure Contour on Rear Spoiler “Molto Veloce” Lamborghini Aventador | ANSYS Fluent

This simulation is about an Analysis of Pressure Contour on Rear Spoiler “Molto Veloce” Lamborghini Aventador using ANSYS Fluent software. We perform this CFD project and investigate it by CFD analysis.

The DMC “Molto Veloce” rear spoiler is a carbon fiber component for the Lamborghini Aventador designed to increase downforce and stability, complementing other pieces of the Molto Veloce aero kit. In contrast to the OEM Aventador’s electronically adjustable spoiler, which has a more subtle look, the Molto Veloce is a large, fixed-position wing that provides a more aggressive, track-focused aesthetic. 

Picture 1. Carbon Fiber Rear Wing Spoiler “Molto Veloce” fits the OEM Lamborghini Aventador Coupe & Roadster

Design and aerodynamics

• Aerofoil shape: Like the wings on a race car, the Molto Veloce’s aerofoil shape is designed to create negative lift, or downforce, at high speeds. This pushes the car down onto the track, increasing traction for better high-speed cornering and stability.
• Venturi effect: The spoiler’s venturi setup is designed to manage and accelerate airflow over the car’s body. When combined with the Molto Veloce rear diffuser, it contributes to the “ground effect,” increasing downforce at the rear axle by creating a low-pressure zone underneath the car.
• Agressive aesthetic: The large, fixed wing visually transforms the car’s silhouette, giving it a more powerful, track-oriented presence. DMC created the Molto Veloce kit to address the “tame” look of the factory Aventador’s rear end.
• Construction: The wing is made from lightweight and strong carbon fiber, produced using a vacuum infusion process for a high-quality finish.
• Wind tunnel and CFD testing: DMC states that its engineers use wind-tunnel software and Computational Fluid Dynamics (CFD) to optimize the wing for maximum aerodynamic efficiency. 

Molto Veloce wing configurations

According to the DMC website, the wing is available in several configurations, with different options for the base and wing elements: 

• Wing + Base Spoiler: A complete replacement of the OEM Aventador’s active spoiler and mounting base with a fixed DMC carbon fiber unit.
• Top Wing only: An “add-on” version that allows the OEM base to be retained and the DMC top wing element to be mounted to it. The installation process for this variant requires removing the factory rear bumper. 

Comparison with OEM Aventador spoiler

Feature	DMC “Molto Veloce” wing	OEM Lamborghini Aventador spoiler
Functionality	Fixed-position wing designed for maximum downforce.	Active, electronically adjustable spoiler that changes angle based on driving conditions.
Design	Large, fixed-position wing providing a more aggressive, track-inspired aesthetic.	More subtle, integrated spoiler that blends with the car’s body.
Aerodynamics	Creates significant, constant downforce at the rear axle, improving traction and cornering stability.	Optimizes aerodynamics for different speeds, reducing drag on straightaways and increasing downforce in corners.
Materials	Lightweight carbon fiber, often with a choice of gloss or matte finish.	Material depends on the specific Aventador model, but is generally less prominent.

This analysis has tried to simulate and analyze of Pressure Contour on Rear Spoiler “Molto Veloce” Lamborghini Aventador using ANSYS Fluent software.

Geometry & Grid

The geometry required for this analysis was generated by Ansys Design Modeler software. The meshing required for this analysis was also generated by Ansys Meshing software. The mesh type used in this analysis is unstructured. The total number of volume properties for geometry is 4,3649e+009 mm³.

Model

In this analysis, the k-epsilon (2 equation) turbulence viscosity model is used to check the fluid flow. The standard wall function is used near the wall.

Boundary Condition

The flow of primary input design modeler geometry for this analysis is considered as velocity magnitude and is 30 (m/s). The flow output range is also considered as a pressure outlet for the flow output region and gauge pressure is equal to 0 (pascal). The wall is also considered a Stationary Wall.

Sizing

According to the type of flow, the Coupled algorithm is used to discretize the Pressure-Velocity Coupling of the solution method. The turbulent kinetic energy and the turbulent dissipation rate has been discretized in the Second Order Upwind.

The results are presented as pressure contours as well as volume rendering.

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