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现寻找nasa的RIPPLE 程序做多相流。
RIPPLE is a computer program for modeling transient, two-dimensional, incompressible fluid flows with surface tension on free surfaces of general topology. Incompressible free surface fluid flows form an integral part of natural and industrial processes. The fluid behavior can be especially difficult to understand and quantify when the free surfaces have appreciable surface tension and are arbitrarily complex in topology. Examples of such flows can be found in nuclear reactor thermal hydraulics, internalcombustion-engine fuel sprayers, ink-jet printers, the application of industrial surfactants, raindrop formation, casting and mold filling processes, drop/bubble dynamics, and in cryogenic liquids in a micro-gravity environment. Modeling these types of flows poses a significant challenge because a required boundary condition must be applied to a transient, irregular surface (the free surface) that is ideally a discontinuity. Surface tension frequently constrains the accuracy with which the resulting boundary condition is applied in numerical models.
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