<a href=’/blog/?p=5′><img src=’http://www.phagor.com/blog/wp-content/uploads/2007/03/screenshot-2007323221638.png’ alt=’screenshot-2007323221638.png’ class="thumb" /></a>My first sketch uploaded to this blog! This sketch approximates fluid dynamics using Navier-Stokes equations for fluid flow. A vector field is used to represent the velocity of the flow and the density of the fluid is mapped to a colour gradient. For extra sparkle, I used a simple lighting model to add highlights.