论文标题
部分可观测时空混沌系统的无模型预测
Numerical study of buoyancy induced arrest of viscous coarsening
论文作者
论文摘要
浮力对粘性变质的影响进行了数值研究。结果表明，在任何时候，浮力诱导垂直流，其尺度像Stokes速度一样。这不会引起在模式的特征长度的值下，在变厚的微观结构的形态上发生任何明显的变化。在此阈值之上，图案朝着准图案和粗糙的停止演变而来。特征长度显示出像$ \ sqrt {γ/（gδρ）} $相比的缩放，其中$γ$是表面张力，而$Δρ$质量dnsiy shisey之间的质量差异。
The effect of buoyant forces on viscous coarsening is studied numerically. It is shown that at any time buoyant forces induce a vertical flow that scales like the Stokes velocity. This does no induce any noticeable change in the morphology of the coarsening microstructure under a value of the characteristic length of the pattern. Above this threshold the pattern evolves toward a quasi two D pattern and coarsening stops. The characteristic length is shown to scale like $\sqrt{γ/(g Δρ)}$ where $γ$ is he surface tension and $Δρ$ the mass dnsiy difference between the phases.
