Abstract
This chapter introduces a parallel front-tracking method for two-phase flow simulations. The front-tracking method is a numerical approach to perform direct numerical simulation of two-phase flows allowing for an accurate description of interfacial phenomena such as phase change and capillarity. Due to the complexity of both phenomena and geometries, the use of a highly parallel system is compulsory. The chapter presents a strategy for developing a parallel implementation of the front-tracking method within TRIO-U, a parallel CFD platform. The development of dynamic distributed vectors provides with automatic and secure communication schemes for interfacial data. In this way, most of the steps of the algorithm presented in this chapter can be parallelized efficiently. The chapter shows how an optimization procedure can be used for ensuring the conservation of the mass of the phases during the interface's advection step. The study presented tackles with the expression of the geometric criterion, and the qualification of the efficiency of the approach compared to other methods.
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