Software and method for turbulent flow analysis

Details Software and method for turbulent flow analysis Software and method for turbulent flow analysis

2006-10-10

2006-10-10

Bui, Bryan (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Mechanical measurement system

Reexamination Certificate

active

07120544

ABSTRACT:
A method for analyzing a turbulent fluid flow field includes the steps of: creating a mathematical model of a physical object; simulating a flow field around the model, wherein the flow field is at least partially turbulent; generating time series flow data output data representative of the flow field; and identifying repeating turbulent flow patterns in the flow data. These features are identified by selecting at least one frequency range of interest; filtering the flow data based on the frequency range; and observing coherent structure in the filtered data. The method may be implemented as a software program running on a computer.

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Bradley D. Duncan, Raja Sengupta, “Numerical Simulation and Spectral Analysis of Pressure Fluctuations in Vehicle Aerodynamic Noise Generation”, Feb. 2002, Society of Automotive Engineers, Inc.
David B. Sims-Williams, Bradley D. Duncan, “The Ahmed Model Unsteady Wake: Experimental and Computational Analyses”, Feb. 2003, Society of Automotive Engineers, Inc.

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