Geo

IPython notebook example for 1D Buckley-Leverett: http://erdc-cm.github.com/hpc3geo/hpc3geo_twophase.html (note this is just the output, you can't actually run it, though the animations should work with the possible exceptions of some browswers)

Buckley-Leverett Riemann solver: http://depts.washington.edu/clawpack/clawpack-4.3/

KPP Riemann solver: https://github.com/clawpack/riemann/blob/master/src/rpn2_kpp.f90

KPP example in PyClaw: https://github.com/clawpack/pyclaw/tree/master/apps/kpp