1. The Lattice-Boltzmann Method for Gaseous Phenomena Paper by Xiaoming Wei, Wei Li, Klaus Mueller and Arie Kaufman Implementation by Davey Krill, March 2006, CS 777

2. Problem and Goal Display Particles Microscopic Particles Temperature Field simulates Buoyancy Boundary Conditions Velocity Field simulates Wind

3. Navier-Stokes? Bah!

4. Lattice Boltzmann model

5. Setting Things into Motion

6. The Algorithm Initialize the grid cells Find Compute equilibrium packet distributions Solve for new packet distributions Propagate to neighboring cells Boundary conditions

7. Putting it to the Test Initial conditions: D=0.42, v=0.5, tau=0.56