Vapor-liquid coexistence in many-body dissipative particle dynamics.
Many-body dissipative particle dynamics is constructed to exhibit vapor-liquid coexistence, with a sharp interface, and a vapor phase of vanishingly small density. The application to fluid mechanics problems involving free surfaces is illustrated by simulation of a pendant drop. The model is an unusual example of a soft-sphere liquid with a potential energy built out of local-density-dependent one-particle self-energies.
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Unilever R&D Port Sunlight, Bebington, Wirral, CH63 3JW, United Kingdom.