Multi-scale modeling of compressible multi-fluid flows with conservative interface method
نویسندگان
چکیده
One important issue associated with the complexity of dynamically evolving material interface is the scale-dependent dynamics which implies very different physical phenomena depending on the resolvability of the material interface. In this work we present a concept of multi-scale modeling where the interface interaction is modeled as being in mechanical non-equilibrium or in equilibrium, depending on a scale measure representing the resolvability of the interface. The work is based on our previously developed conservative method for compressible multi-fluid flows with sharp and resolved interfaces. To extend this method for multi-scale modeling, two important issues are addressed: (i) a scale-separation algorithm identifying interface resolvability as resolved and non-resolved regions; (ii) a non-resolved-interface model and its efficient coupling to the resolvedinterface model.
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