Controllability of Non-Newtonian fluids under homogeneous flows
Wilson, Lynda M. Z.
MetadataShow full item record
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.
Showing items related by title, author, creator and subject.
Albiso, John R. (1985-12);The purpose of this thesis is to determine the effect of race on job satisfaction, and the effect of race on those factors considered to be determinants of job satisfaction. The data used for the research was obtained ...
Koch, Charles J. (Monterey, California. Naval Postgraduate School, 2009-03);This study examines the effect of Aviation Selection Test Battery (ASTB) waivers on Marine student-aviator attrition. The first objective was to determine whether Marine student-aviators who are granted an ASTB waiver ...
Gaver, Donald Paul; Jacobs, Patricia A. (Monterey, California. Naval Postgraduate School, 1990-07); NPS-55-90-13The Data Defense Network (DDN) is a large packet switching network that services elements of the U.S. Department of Defense (DOD). The emphasis of this report is to perform probabilistic analysis of certain features of the ...