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Global weak solutions to the compressible Cucker-Smale-Navier-Stokes system in a bounded domain

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arxiv 2204.01463 v2 pith:RENR5VDS submitted 2022-04-04 math.AP

Global weak solutions to the compressible Cucker-Smale-Navier-Stokes system in a bounded domain

classification math.AP
keywords systemboundedcompressiblecucker-smaledomainglobalsolutionsweak
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A coupled kinetic-fluid model is investigated, which describes the dynamic behavior of an ensemble of Cucker-Smale flocking particles interacting with a viscous fluid in a three-dimensional bounded domain. This system consists of a kinetic Cucker-Smale equation and a compressible Navier-Stokes system with nonhomogeneous boundary conditions. The global existence of weak solutions to this system with adiabatic coefficient $\gamma> {3}/{2}$ is established.

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