week 0: organizational stuffweek 1: introduction &
PDEsweek 2: euler equations of motionweek 3: simple flowsweek 4: incompressibility & irrotationalityweek 5: potential flowweek 6: airfoilsweek 7: pond wavesweek 8: water wavesweek 9: sound & viscosityweek 10: more viscosityweek 11: viscosity & vorticity
volcanic smoke ring: www.rambocam.com/etna08.html
smoke rings: www.hheatheredelmangallery.com/artists/calder_alexander_00.htm
bubble rings: http://www.earthtrust.org/delrings.html
smoke ringsvortex can