Application of the boundary element method to numerical modelling of solidification. Part II – The micro-macro approach

In the paper a numerical model of solidification and cooling processes proceeding in the casting domain is discussed. The model is constructed on the basis of the boundary element method. The problem considered is treated as a boundary-initial one and it is formulated in a micro/macro convention; i.e. the component describing a capacity of internal heat sources in an adequate differential equation (the so-called source function) results from the analysis of crystallization process on a microscopic level.