Well-posedness and ill-posedness of single-phase models for suspensions
Well-posedness and ill-posedness of single-phase models for suspensions
复制标题
悬架单相模型的适定性和不适定性
DOI:
10.1017/jfm.2022.1004
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发表时间:
2023
影响因子:
3.7
通讯作者:
Barker T
中科院分区:
文献类型:
--
作者:
Barker T
Classical theories for suspensions have been formulated by starting from the Navier–Stokes equations describing pure liquid flow and then introducing additional dependencies to account for the presence of suspended particles. These models are often accurate for low particle concentrations but have lacked a convincing description of the frictional interactions of particles, which are important at larger solid volume fractions. The rheology instead suffers from catastrophic blow-up. A further well-posed extension provides a framework for handling the transition between viscous and inertial flows.
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