The Lattice-Boltzmann Method for Gaseous Phenomena

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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
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Problem and Goal
Temperature Field simulates Buoyancy
Velocity Field simulates Wind
Display Particles
Boundary Conditions
Microscopic Particles
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Navier-Stokes? Bah!
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Lattice Boltzmann model
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Setting Things into Motion
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The Algorithm

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

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Putting it to the Test
Initial conditions D0.42, v0.5, tau0.56