An alternate BGK type formulation of the Enskog equation has been recently proposed[1].It was shown that the new model has a valid H-theorem and correct thermal conductivity.We propose Lattice Boltzmann(LB)formulation...An alternate BGK type formulation of the Enskog equation has been recently proposed[1].It was shown that the new model has a valid H-theorem and correct thermal conductivity.We propose Lattice Boltzmann(LB)formulation of this new EnskogBGK model.The molecular nature of the model is verified in case of shear flow by comparing the predicted normal stress behavior by the current model with the prediction of molecular dynamics simulations.We extend the model for multiphase flow by incorporating attractive part as Vlasov type force.To validate multiphase formulation,the results of 3D simulations of a condensing bubble in a periodic box are presented.展开更多
基金ICAM-I2CAM,1 Shields Avenue,Davis,CA 95616 for travel support through NSF grant number DMR-0844115 for attending DSFD2012 where this work was presentedDepartment of Science and Technology(DST),India for providing computational resources via Ramanujan Fellowship grant.
文摘An alternate BGK type formulation of the Enskog equation has been recently proposed[1].It was shown that the new model has a valid H-theorem and correct thermal conductivity.We propose Lattice Boltzmann(LB)formulation of this new EnskogBGK model.The molecular nature of the model is verified in case of shear flow by comparing the predicted normal stress behavior by the current model with the prediction of molecular dynamics simulations.We extend the model for multiphase flow by incorporating attractive part as Vlasov type force.To validate multiphase formulation,the results of 3D simulations of a condensing bubble in a periodic box are presented.
