Prediction method of thrombus formation on orifice flows by particle method and FDM method

Abstract

This paper describes prediction method of thrombus formation at the wall on orifice flows by using particle method (DPD) with aggregation of platelets and finite difference method (FDM) for transport process of concentration. By the hybrid model of the particle method and FDM, the prediction of thrombus formation rate was compared with the experimental data conducted in the previous investigation. In this method, the total number of particles in the DPD can be decreased by using novel technique of virtual particle method. As a result, the effects of aggregation between the platelet in the CFD are not large comparing with the data in the previous experiments. It was also found that there is a possibility to improve the accuracy by modifying the model of virtual particle method.