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Shock formation properties of continuum and kinetic models


Please use this identifier to cite or link to this item: http://hdl.handle.net/1928/9810

Shock formation properties of continuum and kinetic models

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Title: Shock formation properties of continuum and kinetic models
Author: Cherepanov, Pavlo
Advisor(s): Lorenz, Jens
Committee Member(s): Embid, Pedro
Hayat, Majeed
Pereyra, Cristina
Department: University of New Mexico. Dept. of Mathematics and Statistics
Subject: Kinetic Theory
Fluid Dynamics
LC Subject(s): Shock waves--Mathematical models.
Viscous flow--Mathematical models.
Gas dynamics--Mathematical models.
Navier-Stokes equations--Numerical solutions.
Degree Level: Doctoral
Abstract: Continuum mechanics and kinetic theory are two mathematical theories with fundamentally different approaches to the same physical phenomenon. Continuum mechanics together with thermodynamics treat a substance (a gas or a fluid) as a continuous medium and describes the evolution of its macro characteristics via application of the conservation laws to small packets of the substance. Kinetic theory attempts to describe the evolution of the macro parameters by treating a substance as a family of colliding objects. The number of objects must be large enough so a statistical approach can be taken. In this work we introduce a numerical scheme to solve 1-D Bhatnagar-Gross-Krook model equations and examine the formation of a stationary viscous shock. Obtained results are compared to a stationary numerical solution of 1-D Navier-Stokes equation with a similar set of shock forming conditions.
Graduation Date: July 2009
URI: http://hdl.handle.net/1928/9810

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