FSUMATH
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Department of Mathematics

College of Arts and Sciences



Methods of Applied Mathematics I Topics

Applied and Computational Mathematics at Florida State University


References:
  • Nonlinear Ordinary Differential Equations: An Introduction to Dynamical Systems, D. W. Jordan and P. Smith, Oxford, 1999, Third Edition
  • Nonlinear Dynamics and Chaos: with applications to physics, biology, chemistry, and engineering, Steven H. Strogatz, Addison-Wesley, 1994 (hardcover) or 2001 (paperback)
  • Introduction to Perturbation Techniques, A. H. Nayfeh, Wiley-VCH, 2004

Topics:
  • Phase portraits
    • 1-d and 2-d
    • trajectories
    • periodic and unbounded orbits
    • homoclinic and heteroclinic orbits
    • separatrices
    • existence and uniqueness
    • fixed points
    • basin of attraction
  • Stability
    • linear stability analysis
    • Lyapunov stability and Lyapunov method
  • Bifurcations
    • saddle-node
    • transcritical
    • pitchfork
    • Hopf and imperfect bifurcation
    • hysteresis
    • catastrophe (fold and cusp)
  • Nonlinear oscillations
    • limit cycles
    • Poincare-Bendixson Theorem
    • Lienard systems
    • relaxation oscillations
    • weakly nonlinear oscillators
    • Van der Pol and Duffing oscillators
    • energy analysis
  • Conservative systems
  • gradient systems.
  • Applications
    • mechanical systems
      • pendulum
      • mass on a spring
      • bead on a rotating wire
      • soft and hard springs
    • population models
    • predator-prey systems
    • chemical reactors
  • Perturbation methods
    • Poincare-Lindstedt method
    • two-timing
  • Perturbation methods applied to algebraic systems
  • Perturbation methods applied to ordinary differential equations