Projects for Nonlinear Physics: Modeling Chaos & Complexity
(Spring 2009, Physics 150/250)

• Thomas Johnston, A Limit Cycle Analysis of the Simplest Passive Dynamic Walker:
  1. Report (pdf),
  2. Presentation (pdf),
  3. Python code: WalkerDefs.py and Walker.py.
• Anthony Gee, Propagation of Bad News:
  1. Report (pdf),
  2. Presentation (pdf),
  3. Python code: geemain.py, functions.py, and classes.py.
• Jason Kaszpurenko, Multiple Speaker Feedback Loop:
  1. Report (pdf),
  2. Presentation (pdf),
  3. Python code: speakerfiles.py, Doppler.py, CappedRingBuffer.py, and BasicRingBuffer.py.
  4. Audio files: Basic Doppler.wav, Simple sine wave repeating.wav, and Complicated Dopler effect.wav.
• Paul Riechers, Single-Electron Tunnel Junctions:
  1. Report (pdf),
  2. Presentation (pdf),
  3. Python code: CNN_lattice_simulator.py, ForgetfulIntegrator1D.py, Integrator1D.py, Isolated_TimeSeries.py, Isolated_a_bifurcation.py, MatrixIO.py, OneDimMap.py, Poincare_test.py, TPL_CNN.py, Theta0Map.py, and two_coupled_SETJ.py.
• Michael Riedlin & Michael Van Veen, The Wealth of Automata:
  1. Report (pdf),
  2. Presentation (pdf),
  3. Python code: coupdegrace.py, coupdegrace2.py, wtfdriver.py, market_driver.py, market.py, agent.py, and graphtool.py.
• Steven Selverston, Chaos in Chemical Oscillators:
  1. Report (pdf),
  2. Presentation (pdf),
  3. Python code: Selverston_BZ_Simulator.py.
• Jason Barnett, One-Dimensional Maps on a Finite Grid:
  1. Report (html),
  2. Presentation (pdf),
  3. Python code: DMBifn.py, DMPlot.py, DMTransCyc.py, DiscretizedBifurcationPlot.py, DiscretizedMaps.py, and DiscretizedTransientCyclePlot.py.
• Yoshihisa Sakurai, Falling Cat Problem:
  1. Report (pdf),
  2. Presentation (pdf),
  3. Python code: EOM.py, RK3D.py, and main.py.
• Daniel Spielman, SIRZ Pandemic Model:
  1. Report (pdf),
  2. Presentation (pdf),
  3. Python code: SIRZ.py, GUI.py, and SIRZGraph.py.
• Yun Tao, Decision Dynamics via Coupled Two-Dimensional Map:
  1. Report (pdf),
  2. Presentation (pdf),
  3. Python code: Gouldian2.py.
• Ryan Tobin, Hamiltonian Chaos in the Standard Map:
  1. Report (pdf),
  2. Presentation (pdf),
  3. Python code: StandardMapClasses.py, StdMapTool.py, and StandardMap.py.
• Juliette Zerick, A Modest Destiny: Distributed Warfare as a Co-Optimiation Process:
  1. Report (pdf),
  2. Presentation (pdf),
  3. Python code: UtilsNConstants.py, Trajectory.py, PluginFuncs.py, Antibody.py, Antigen.py, main.py, ISMachinery.py, and makefile.