File:Controllability of Non-Newtonian fluids under homogeneous flows (IA controllabilityo109453213).pdf
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Summary
[edit]Controllability of Non-Newtonian fluids under homogeneous flows
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| Author |
Wilson, Lynda M. Z. |
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| Title |
Controllability of Non-Newtonian fluids under homogeneous flows |
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| Publisher |
Monterey, California. Naval Postgraduate School |
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| Description |
The ability to control a viscoelastic field is an essential concept that defines some important restrictions and potentials of the influenced material. This thesis investigates the controllability of three popular constitutive models under homogeneous extensional and shear flows via the Lie bracket method. The constitutive models are as follows: the Phan-Thien-Tanner model; the Johnson-Segalman model; and the Doi model. The effect of extensional flow on these models and the effect of shear flow on the Doi model have not been explored previous to this work. The main contribution of this thesis is to characterize the submanifolds in the state space on which the non-Newtonian flow fields are weakly controllable. This kind of approach based on the control Lie algebra can be applied to a wider variety of complex models. Subjects: Nonlinear systems; Control theory; Viscoelasticity; Linear systems; Shear flow; Non-Newtonian fluids |
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| Language | English | |
| Publication date | September 2007 | |
| Current location |
IA Collections: navalpostgraduateschoollibrary; fedlink |
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| Accession number |
controllabilityo109453213 |
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| Source | ||
| Permission (Reusing this file) |
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. As such, it is in the public domain, and under the provisions of Title 17, United States Code, Section 105, may not be copyrighted. | |
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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