2011 2(7)

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Pages:

112 - 118

Language:

RU

Ref.:

24


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2011_2(7)_19.pdf

 

 

IMPLEMENTATION OF LATTICE BOLTZMANN METHOD ON MULTICORE GRAPHICS PROCESSING UNITS FOR 3D SIMULATIONS OF TWO-PHASE LIQUID-VAPOR SYSTEMS

Kupershtokh A.L.

Lavrentyev Institute of Hydrodynamics SB RAS, Novosibirsk, Russia


Citation:

Kupershtokh, A.L., (2011) Implementation of lattice Boltzmann method on multicore graphics processing units for 3D simulations of two-phase liquid-vapor systems, Modern Science: Researches, Ideas, Results, Technologies, Iss. #2(7), PP. 112 - 118.


Keywords:

Lattice Boltzmann Equation Method; phase transitions; dynamics of multiphase flows; thermocapillary effect; computer simulations; numerical stability; graphical processing units


Abstracts:

Comparatively new lattice Boltzmann equation method (LBE) is a special discrete model of continuous medium. Now, the LBE method is quite competitive with the traditional methods of computational fluid dynamics. The LBE method has considerable advantages, especially, for multiphase and multicomponent flows. In the LBE method, the different phases of a substance are usually simulated as one fluid. Algorithm of the LBE method is well suitable for parallelization on a large amount of stream processors that are in modern Graphics Processing Units (GPU). The acceleration was achieved about 70-90 times. The 3D simulations of a spinodal decomposition, a breakdown of thin liquid film due to thermocapillary effect and a process of breakdown of a 3D thin-wall liquid bubble were carried out.


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