In this paper,we present a new model developed in order to analyze phenomena which arise in the solidification of binary mixtures using phase-field method,which incorporates the convection effects and the action of ma...In this paper,we present a new model developed in order to analyze phenomena which arise in the solidification of binary mixtures using phase-field method,which incorporates the convection effects and the action of magnetic field.The model consists of flow,concentration,phase field and energy systems which are nonlinear evolutive and coupled systems.It represents the non-isothermal anisotropic solidification process of a binary mixture together with the motion in a melt with the applied magnetic field.To illustrate our model,numerical simulations of the influence of magnetic-field on the evolution of dendrites during the solidification of the binary mixture of Nickel-Copper(Ni-Cu)are developed.The results demonstrate that the dendritic growth under the action of magnetic-field can be simulated by using our model.展开更多
文摘In this paper,we present a new model developed in order to analyze phenomena which arise in the solidification of binary mixtures using phase-field method,which incorporates the convection effects and the action of magnetic field.The model consists of flow,concentration,phase field and energy systems which are nonlinear evolutive and coupled systems.It represents the non-isothermal anisotropic solidification process of a binary mixture together with the motion in a melt with the applied magnetic field.To illustrate our model,numerical simulations of the influence of magnetic-field on the evolution of dendrites during the solidification of the binary mixture of Nickel-Copper(Ni-Cu)are developed.The results demonstrate that the dendritic growth under the action of magnetic-field can be simulated by using our model.
