MATHEMATICAL MODELING AND PERTURBATION METHODS

Paper Code: 
MAT 144 B
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00

Newtonian and non-Newtonian fluids, Constitutive equations, Some important class of non-Newtonian fluids, Fundamental equations of motion and continuity.

 

Blood rheology, Cardiovascular system, Hagen-Poiseuille flow, Steady laminar flow of blood in a circular tube (Newtonian fluid and Casson fluid), Oscillatory flow of a various fluid through elastic tube.

Oscillatory flow through a circular tube (Newtonian fluids and two phase fluid), Oscillatory blood flow, Blood flow through artery with mild stenosis (Newtonian fluid case), Peristaltic flows in a channel and a circular tube.

Regular and Singular perturbation: Examples of regular and singular perturbation problems. Method of Multiple Scales: Flow of fluid in a channel of slowly varying cross section, Solution of Mathieu’s equation, Solution of the Vander Pal equation by the two-variable method, Lindstedt-Poincare method.

 

Matched Asymptotic Expansions: Prandtl’s matching principle deduction of the boundary Layer  equations for the flow of fluid past a flat plate, Improving Stokes’ solution of flow past a sphere at low Reynolds number, Whilehead’s paradox, Van Dyke’s matching principle.

References: 
  1. Matti Heiliö and Timo Lähivaara, Mathematical Modeling, Springer, 2016.
  2. Lindsay A.Skinner, Singular Perturbation Theory, Springer 2011.
  3. James.G.Simmonds,James E.Mann Jr,A First Look at Perturbation Theory, Dover Publications,2nd Revised Edition(July 10,1997)
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