Document Type

Dissertation

Date of Degree

2006

Degree Name

PhD (Doctor of Philosophy)

Degree In

Mechanical Engineering

First Advisor

H. S. Udaykumar

Abstract

The primary objective of this thesis is to develop a general computational framework to perform large scale moving boundary problems in fluid mechanics. The interactions of moving entities with fluid flow are common to numerous engineering and biomedical applications. The novel computational platform developed comprises of a) an efficient fluid flow solver b) an accurate and easily implemented unified formulation to capture the interactions of the moving bodies with the flow and c) parallel execution capability to enable large scale computations. The above features are formulated and implemented in a computer code, ELAFINT3D. The current thesis demonstrates the accuracy, efficiency and robustness of this framework. The performance of ELAFINT3D on distributed memory systems is also presented. Finally, this framework is employed to simulate a series of large scale, three-dimensional moving boundary problems involving complex interfacial motions and flow phenomena. These numerical experiments establish the strengths of the current tool.

Pages

viii, 125 pages

Bibliography

Includes bibliographical references (pages 120-125).

Copyright

Copyright 2006 Saikrishna V Marella

Additional Files

Elps2-isosurface0.02-movie.avi (1600 kB)
Elps2-isosurface0.02-movie.avi

Elps2-isosurface-ls-movie.avi (983 kB)
Elps2-isosurface-ls-movie.avi

Elps2-slicey25-mesh-movie.avi (6291 kB)
Elps2-slicey25-mesh-movie.avi

TwoSphLambda2-LS.avi (4482 kB)
TwoSphLambda2-LS.avi

TwoSphMovieLambda2.avi (3903 kB)
TwoSphMovieLambda2.avi

TwoSphMovieTrajectory.avi (3451 kB)
TwoSphMovieTrajectory.avi

TwoSphMovieXZView.avi (3356 kB)
TwoSphMovieXZView.avi

ValveMovieWithMirror-Lambda2.avi (1623 kB)
ValveMovieWithMirror-Lambda2.avi

ValveMovie-yslice0.5-mirror.avi (1958 kB)
ValveMovie-yslice0.5-mirror.avi

ValveMovie-yslice1.0-mirror.avi (3268 kB)
ValveMovie-yslice1.0-mirror.avi

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