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Mesoscopic model for binary fluids
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作者 C. Echeverria K. Tucci +3 位作者 O. Alvarez-Llamoza E. E. Orozco-guillén5 m. morales m. g. cosenza 《Frontiers of physics》 SCIE CSCD 2017年第5期231-239,共9页
We propose a model for studying binary fluids based on the mesoscopic molecular simulation technique known as multiparticle collision, where the space and state variables are continuous, and time is discrete. We inclu... We propose a model for studying binary fluids based on the mesoscopic molecular simulation technique known as multiparticle collision, where the space and state variables are continuous, and time is discrete. We include a repulsion rule to simulate segregation processes that does not require calculation of the interaction forces between particles, so binary fluids can be described on a mesoscopic scale. The model is conceptually simple and computationally efficient; it maintains Galilean invariance and conserves the mass and energy in the system at the micro- and macro-scale, whereas momentum is conserved globally. For a wide range of temperatures and densities, the model yields results in good agreement with the known properties of binary fluids, such as the density profile, interface width, phase separation, and phase growth. We also apply the model to the study of binary fluids in crowded environments with consistent results. 展开更多
关键词 multiparticle collision dynamics mesoscopic models phase separation interface dynamics
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