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GPU phase-field lattice Boltzmann simulations of growth and motion of a binary alloy dendrite

T. Takaki, R. Rojas, M Ohno, T. Shimokawabe, T. Aoki
Mechanical and System Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
IOP Conference Series: Materials Science and Engineering, 84, 012066, 2015

@inproceedings{takaki2015gpu,

   title={GPU phase-field lattice Boltzmann simulations of growth and motion of a binary alloy dendrite},

   author={Takaki, T and Rojas, R and Ohno, M and Shimokawabe, T and Aoki, T},

   booktitle={IOP Conference Series: Materials Science and Engineering},

   volume={84},

   number={1},

   pages={012066},

   year={2015},

   organization={IOP Publishing}

}

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A GPU code has been developed for a phase-field lattice Boltzmann (PFLB) method, which can simulate the dendritic growth with motion of solids in a dilute binary alloy melt. The GPU accelerated PFLB method has been implemented using CUDA C. The equiaxed dendritic growth in a shear flow and settling condition have been simulated by the developed GPU code. It has been confirmed that the PFLB simulations were efficiently accelerated by introducing the GPU computation. The characteristic dendrite morphologies which depend on the melt flow and the motion of the dendrite could also be confirmed by the simulations.
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