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

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Presentation transcript:

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

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

Navier-Stokes? Bah!

Lattice Boltzmann model

Setting Things into Motion

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

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