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Filtering by: Contributor advisor sim Narasimhan, M. N. L. Remove constraint Contributor advisor sim: Narasimhan, M. N. L.

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Generalized deformation-rates in secondary flows of viscoelastic fluids between rotating spheres

Creator:

Knoshaug, Ronald Norman

Abstract:

By various experiments, it has been found that the response of real materials to external forces is, in general, nonlinear in character. In classical continuum mechanics, the use of ordinary measures of strain have forced the constitutive equations to take complex forms and since the orders of these measures are...

Resource Type:

Masters Thesis
Generalized measures of deformation-rates in torsional flows of viscoelastic fluids between two infinite parallel planes

Creator:

Park, Moon Up

Abstract:

An introduction to the generalized measures of deformation- rates involving not only velocity gradients but also acceleration gradients is given and constitutive equations using these measures have been discussed. These new constitutive equations are then used to study torsional flows of viscoelastic fluids between two infinite parallel planes. In order...

Resource Type:

Masters Thesis
Stability of flows of thermo-viscoelastic fluids between rotating coaxial circular cylinders

Creator:

Ghandour, Nabil Nassib

Abstract:

We investigate in this thesis, the problem of stability of thermo-viscoelastic fluid flow between rotating coaxial cylinders. By using the thermo-viscoelastic constitutive equations given by Eringen, we reduce the equations of motion into a form suitable for stability analysis. The course of reduction which we follow yields some interesting intermediate...

Resource Type:

Masters Thesis
The asymptotic boundary layer on a circular cylinder in axisymmetric micropolar fluid flow and constitutive theories

Creator:

Okada, Kanzo

Abstract:

The asymptotic boundary layer problem involving an axial incompressible Newtonian fluid flow past a circular cylinder parallel to its axis was investigated by Stewartson (1955). He addressed hiself primarily to the Mangler's (1948) derivation, namely, the character of the boundary layer on a circular cylinder is equivalent to that on...

Resource Type:

Masters Thesis
Nonlinear stability of Couette flows of micropolar fluids

Creator:

Vlessis, Nicholas C.

Resource Type:

Masters Thesis
Acceleration waves in micropolar elastic media and formation of shear bands

Creator:

Kumazawa, Makoto, 1961-

Abstract:

The formation of shear bands in isotropic micropolar elastic materials is considered in this thesis. The investigation concerns localized deformation fields due to jumps of second-order gradients of displacement across a standing singular surface. Such a standing surface gives rise to a shear band. The condition for the existence of...

Resource Type:

Masters Thesis
Microcontinuum theory and orientational effects in smectic liquid crystals

Creator:

Kelley, Thomas E.

Abstract:

Micropolar Theory, a specialization of the Microcontinuum Theory advanced by A. C. Eringen in the early 1960ts has been used successfully in predicting the behavior of materials whose inner structure is composed of rod-like elements. Liquid crystals fall into this class of materials and their wide-spread use in Industry and...

Resource Type:

Dissertation
Theory of micromorphic materials and applications

Creator:

Park, Moon Up

Abstract:

A general theory of micromorphic materials was developed by Eringen for the prediction of continuum behavior of materials with inner structure, such as, granular solids, composite materials, anisotropic and polymeric fluids. Recently Eringen derived balance laws of micromorphic mechanics from a different point of view. His derivation of the master...

Resource Type:

Dissertation
Flows of anisotropic fluids induced by rotating disks

Creator:

Knoshaug, Ronald Norman

Abstract:

The simplest existing properly invariant theory for anisotropic fluids, proposed by Ericksen, includes equations governing the nature of a preferred direction. An analysis of simple shearing motion given by Ericksen suggested that this type of theory might be applicable to some fluids which are commonly treated as isotropic and might...

Resource Type:

Dissertation
Boundary layer transition

Creator:

Bakhshi, Vidya Sagar

Abstract:

Transition phenomena commonly occur in nature. These arise either due to structural or behavioral changes in the medium. Examples for these abound in all applied sciences and to mention a few of these, we have, boundary layer, elastic-plastic deformation, and shocks. The present work is devoted to the study of...

Resource Type:

Dissertation

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Academic Affiliation

Mathematics14

Advisor

Narasimhan, M. N. L.14

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1967 to 1989

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Committee Member

Bodvarsson, Gunnar1
Boedtker, Olaf A.1
Oberhettinger, Fritz1

Creator

Knoshaug, Ronald Norman2
Okada, Kanzo2
Park, Moon Up2
Bakhshi, Vidya Sagar1
Borah, Bolindra Nath1
more Creators »

Date

Date range begin – Date range end

Current results range from 1967 to 1988

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Decade

1980-19893
1970-19797
1960-19694

Degree Field

Mathematics14

Degree Level

Doctoral8
Master's6

Degree Name

Doctor of Philosophy (Ph.D.)8
Master of Science (M.S.)4
Master of Arts (M.A.)2

Language

English [eng]14

Non-Academic Affiliation

Oregon State University. Graduate School14

Peer Reviewed

No7

Resource Type

Dissertation8
Masters Thesis6

Rights Statement

Copyright Not Evaluated14

Subject

Deformations (Mechanics)3
Fluid mechanics3
Fluid dynamics2
Hydrodynamics2
Boundary layer1
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