TY - GEN
T1 - A lattice boltzmann based single-phase model
T2 - 4th International Conference on Computational Fluid Dynamics, ICCFD 2006
AU - Xing, Xiu Qing
AU - Butler, David Lee
AU - Yang, Chun
PY - 2009
Y1 - 2009
N2 - A 2D single-phase free surface tracking model using the Lattice Boltzmann method (LBM) is developed in this study. In contrast to the conventional multi-phase models, it is not necessary to simulate the motion of the gas phase using this LBM single-phase algorithm, and thus improves the computational efficiency without sacrificing the underlying physics. Based on Gunstensen's immiscible Lattice Boltzmann algorithm, a perturbation is added to the distribution functions of the interface cells for introducing the surface tension and wetting into the LBM single-phase model. Implementations of the model are demonstrated for simulations of droplet deformation under the surface tension effect and the droplet spreading on solid surface with various wetting properties. Simulation results show that the proposed model can generate a surface tension that is isotropic, and the model allows for continuous control of contact angles by varying the mass gradient at the wall boundary cells.
AB - A 2D single-phase free surface tracking model using the Lattice Boltzmann method (LBM) is developed in this study. In contrast to the conventional multi-phase models, it is not necessary to simulate the motion of the gas phase using this LBM single-phase algorithm, and thus improves the computational efficiency without sacrificing the underlying physics. Based on Gunstensen's immiscible Lattice Boltzmann algorithm, a perturbation is added to the distribution functions of the interface cells for introducing the surface tension and wetting into the LBM single-phase model. Implementations of the model are demonstrated for simulations of droplet deformation under the surface tension effect and the droplet spreading on solid surface with various wetting properties. Simulation results show that the proposed model can generate a surface tension that is isotropic, and the model allows for continuous control of contact angles by varying the mass gradient at the wall boundary cells.
UR - http://www.scopus.com/inward/record.url?scp=84901357829&partnerID=8YFLogxK
U2 - 10.1007/978-3-540-92779-2_97
DO - 10.1007/978-3-540-92779-2_97
M3 - Conference contribution
AN - SCOPUS:84901357829
SN - 9783540927785
T3 - Computational Fluid Dynamics 2006 - Proceedings of the Fourth International Conference on Computational Fluid Dynamics, ICCFD 2006
SP - 619
EP - 624
BT - Computational Fluid Dynamics 2006 - Proceedings of the Fourth International Conference on Computational Fluid Dynamics, ICCFD 2006
PB - Springer
Y2 - 10 July 2006 through 14 July 2006
ER -