A LATTICE BOLTZMANN MODEL FOR A SOLID BODY

2003 ◽  
Vol 17 (01n02) ◽  
pp. 153-156 ◽  
Author(s):  
STEFAN MARCONI ◽  
BASTIEN CHOPARD
Keyword(s):  
Wave Equation ◽  
Contact Problem ◽  
Crack Propagation ◽  
Conservation Laws ◽  
Lattice Boltzmann ◽  
Dynamic Contact ◽  
Lattice Boltzmann Model ◽  
Dynamic Contact Problem ◽  
Contact Conditions ◽  
Boltzmann Model

The lattice Boltzmann wave equation is adapted to model the motion of displacements within a 2d solid. Momentum, energy are shown to obey conservation laws. Borders and contact conditions are easily dealt with. Three experiments serve as illustrations: crack propagation, fragmentation and a dynamic contact problem.

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