flow visualization 77x line integral convolution 12x computational fluid dynamics 10x unsteady flow visualization 9x unsteady flow 6x vortex extraction 4x advection 3x flow map 3x vortex detection 3x flow field 2x flow field visualization 2x flow mapping 2x vortex 2x vortex core lines 2x vortex cores 2x vortex visualization 2x 3d flow visualization 1x directional flow 1x eulerian flow 1x field line advection 1x flow 1x flow envelopes 1x flow features 1x flow reversal 1x flow surface 1x flow-guided 1x flowing seed points 1x flows 1x fluid flow 1x fluid flow simulation 1x geometric flow 1x implicit stream flow 1x in-cylinder flow 1x lagrangian 1x lagrangian flow visualization 1x meta-flow 1x residue flow 1x rheoscopic fluids 1x skin friction 1x swirl flow 1x time-dependent flow fields 1x transitional flow 1x tubing 1x tumble flow 1x turbine flow visualization 1x turbulence 1x unsteady 1x vortex analysis 1x vortex breakdown 1x vortex dynamics 1x vortex regions 1x vorticity transport 1x wind tunnel 1x