Nonlinear dynamics of irradiated thin volatile liquid films
Nonlinear dynamics of irradiated thin volatile liquid films
复制标题
辐照挥发性液膜的非线性动力学
DOI：
10.1063/1.870282
复制
发表时间：
2000
影响因子：
4.6
通讯作者：
A. Oron
中科院分区：
文献类型：
--
作者：
A. Oron
在长波理论框架下研究了辐照挥发性液体薄膜的动力学。强非线性演化方程描述的时空动力学的薄膜在光学薄和厚的情况下推导。利用准定常方法，得到了各种含时基态，并讨论了它们的线性稳定性。控制演化方程的数值研究结果支持了线性分析的结果。结果表明，辐照可以部分抑制界面扰动的增长。非线性效应加速了膜破裂相对于相应基态消失时间的变化。薄膜破裂时间随辐照强度的增加而减小。
The dynamics of irradiated volatile thin liquid films is studied in the framework of long-wave theory. Strongly nonlinear evolution equations describing the spatio-temporal dynamics of the film in both the optically thin and thick cases are derived. Various kinds of time-dependent base states are found and their linear stability is considered using the quasi-steady method. The results of the numerical study of the governing evolution equations support the results of the linear analysis. It is found that irradiation can partially suppress the growth of the interfacial disturbance. The nonlinear effects accelerate the film rupture with respect to the disappearance time of the corresponding base state. The film rupture time is found to decrease with the intensity of irradiation.