Stochastic Rotation Dynamics (SRD) is a particle-based simulation method that can be used to model fluids. It has many of the benefits of direct simulation methods, while still being computationally inexpensive. With hydrodynamic interactions and thermal fluctuations built-in, it can be used in mesoscale simulations of complex fluids. Starting with a simple, ideal fluid, the method was verified for theoretical consistency and extended to support non-ideal equations of state. As expected, the non-ideal fluid demonstrated freezing behavior at low temperatures. It has been shown that by employing these repulsive interactions, the model can be applied to binary mixtures. Here, we demonstrate this technique by studying the phase separation of two fluids and the formation of droplets.
Worcester Polytechnic Institute
Major Qualifying Project
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