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Computation of invariant manifolds using AUTO-07p


Computation of invariant manifolds using AUTO-07p

Chen, Rui (2007) Computation of invariant manifolds using AUTO-07p. Masters thesis, Concordia University.

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There is much interest recently in the computation of invariant manifolds of vector fields. This thesis presents a continuation method for computing two-dimensional stable and unstable manifolds arising in dynamical systems. The computations are illustrated using a well-known example, namely, the Lorenz system, for which detailed results are presented for the so-called "Lorenz manifold", i.e., the two-dimensional stable manifold of the origin, as well as for the two-dimensional unstable manifold of one of the two symmetric nonzero equilibria. A number of the infinitely many intersection curves of these manifolds are also determined accurately. All computations are carried out using the numerical continuation software AUTO, specifically its most recent version, AUTO-07p. Various diagrams are given to illustrate the numerical results. Software based on OpenGL and Glut has been developed to visualize the numerically computed manifolds, using a triangulation of the data computed with AUTO.

Divisions:Concordia University > Gina Cody School of Engineering and Computer Science > Computer Science and Software Engineering
Item Type:Thesis (Masters)
Authors:Chen, Rui
Pagination:xii, 106 leaves : ill. (some col.) ; 29 cm.
Institution:Concordia University
Degree Name:M. Comp. Sc.
Program:Computer Science and Software Engineering
Thesis Supervisor(s):Doedel, Eusebius
Identification Number:LE 3 C66C67M 2007 C45
ID Code:975744
Deposited By: Concordia University Library
Deposited On:22 Jan 2013 16:14
Last Modified:13 Jul 2020 20:08
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