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Part of University course on vehicle and building aerodynamics

Ahmed body simulation. Slant angle set up to 25 deg. Focus on flow separation

Simple aerodynamic simulation of the Ahmed Body to see how far you can get in 10 h

This projects validates the incompressible flow simulation results of SimScale around the Ahmed body.

Simulation of an Ahmed Body with the angle of phi is equal 0. The goal is to get an idea of working with CFD and in a first approach how exacty are the results compared with windtunnel data.

Four times a year the National Association for Stock Car Automotive Racing (NASCAR) visits oval tracks larger than 2.0 miles in length (Daytona and Talladega). These four events utilize restricted intake motors in order to decrease the overall horsepower and, ultimately, the overall speed of the vehicles. A consequence of this reduced horsepower is the increased dependence on the aerodynamic drag advantage gained by drafting behind either another car or a group of cars.

Previous work has studied the effects of the draft between two Ahmed Bodies as well as two NASCAR style vehicles, but there is limited information about the draft effect on more than two vehicles. This project uses the simplified Ahmed Body with a minimal grid to study the relative effects of the draft as the number of vehicles in line increases. The goal is to find the optimum number of vehicles for total draft reduction.

Simulation using the LBM solver available on SimScale.

streamwise webinar project for external aerodynamics of Ahmed Body and NACA wing section. The results from CFD were used for comparison with experimental data from ProCap software provided by streamwise.

This project simulates the air flow around the Ahmed body for validation purposes.

ahmed body | SimScale Project Library | Page 1