Theses and Dissertations

Title

Neural Network Applications in Fluid Dynamics

Issuing Body

Mississippi State University

Advisor

Pankajakshan, Ramesh

Committee Member

Whitfield, David

Committee Member

Soni, Bharat

Date of Degree

1-1-2002

Document Type

Graduate Thesis - Open Access

Major

Computational Engineering (program)

Degree Name

Master of Science

College

College of Engineering

Abstract

In the present study neural networks are investigated for use in fluid dynamics simulations. These range from static simulations for a simple 2D geometry like an airfoil section to dynamic simulations for a complicated 3D geometry like a model submarine. A detailed analysis of the application of neural networks for the case of vehicle trajectory determination is provided. This involves identifying the physics of the problem and tailoring it to a neural network architecture. The learning process involves training the neural network on a variety of maneuvers and the prediction process involves applying new maneuvers to the neural network. The results are compared to both experimental data and CFD data for the training sets and the prediction sets. The need and scope for parallelization in neural networks is also examined and the performance of pattern partitioning and vertical partitioning algorithms is studied.

URI

https://hdl.handle.net/11668/19644

Comments

fluid dynamics||backpropagation||computational fluid dynamics||neural networks

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