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The Lattice-Boltzmann Method for Gaseous Phenomena

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. Temperature Field simulates Buoyancy. Velocity Field simulates Wind. Display Particles. Boundary Conditions.

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The Lattice-Boltzmann Method for Gaseous Phenomena

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  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 Temperature Field simulates Buoyancy Velocity Field simulates Wind Display Particles Boundary Conditions Microscopic Particles

  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

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