Engineering Simulation Solutions for the Automotive and Ground Transportation Industries

Vehicle Aerodynamics - User Conference Papers

The Efficient Application of CFD Analysis Methods to Provide Valuable Development Insight for Flow Related Automotive Performance Issues
In this paper a brief discussion of efficient application of CFD analysis methods is presented. Since resources needed to perform detailed CFD analysis are limited, an effort to be more efficient about how CFD analysis is applied within the development process has been a focus for us. Specific post-processing techniques have been explored and implemented to allow improved understanding of the underlying aerodynamic performance.

Customizing FLUENT to Speed-Up Aerodynamic Vehicle Development
The need to speed-up aerodynamic vehicle development is of fundamental importance to the automotive industry. The method of choice is the reduction of hardware and experiments. In vehicle aerodynamics the wind tunnel is the measure to compare against: numerous configurations can be evaluated within days.

Large Eddy Simulation of a Semi Realistic Vehicle Shape under Crosswind Conditions
As passenger vehicle sizes have continuously increased during the last few years, lateral stability has become an important aspect of their aerodynamic design. As a result, real situations encountered in vehicle life, such as strong crosswind, passing maneuvers involving large trucks or tunnel exits, must be considered during the design process.

The CFD Process for Aerodynamics at Volvo Cars using HARPOON-FLUENT
This paper describes the current CFD process for aerodynamics at Volvo Car Corporation, and the changes that have been made in order to shorten the lead times. The different steps in the process have been reviewed, from the gathering of CAD data, to volume meshing, and the calculation itself, to cut time where possible.

Fuel Reduction on a Tractor-Trailer Truck at IVECO
This paper describes the research and development for reducing the aerodynamic drag of a tractor-trailer at IVECO to reduce fuel consumption. This goal was achieved using numerical simulation and analysis of aerodynamic flow with the commercial CFD code FLUENT.

Supercomputing in F1 - Unlocking the Power of CFD
The highly sophisticated body shape of a modern Formula One (F1) car is dictated by aerodynamic efficiency and performance. With numerous deflectors and external devices added, the coupling and interaction between the front-end and rear-end of the car have become strong. Minute changes in geometrical details or car set-up can have a significant impact on car performance and, therefore, can result in success or failure.

 

 

Aston Martin DBR9, front pressure contours and pathlines of cooling air leaving the hood
Courtesy Advantage-CFD, UK