在化涂层上对水/干湿和潮过程的粗粒度建模
Panagiotis C Petris1, Georgiy Teverovskiy2, Richard Ross2
1Siemens Industry Software Netherlands B.V, The Hague 2595 BN, Netherlands.
Langmuir : the ACS journal of surfaces and colloids
|November 20, 2024
概括
本研究介绍了一种使用散射粒子动态的计算框架,以数字测量表面上的滴滴接触角度. 该方法准确地预测了静态和动态接触角度,揭示了表面化学如何影响滴滴行为.
科学领域:
- 计算物理和化学 计算物理和化学
- 材料科学是一种材料科学.
- 表面科学是一门科学.
背景情况:
- 精确测量滴滴接触角度对于理解表面特性至关重要.
- 现有的方法可能缺乏复杂的表面相互作用所需的时空分辨率.
- 粗粒度模型提供了一种计算效率高的方法来模拟分子系统.
研究的目的:
- 开发一个数字框架,用于评估各种基板上的液滴的静态和动态接触角度.
- 引入一种新的散射粒子动力学 (DPD) 粗粒度模型,用于模拟滴水表面相互作用.
- 创建用于计算静态和动态接触角度的计算技术.
主要方法:
- 开发一个新的DPD粗粒度模型来模拟滴水表面系统.
- 实现密度配置技术用于静态接触角的计算.
- 扰动方法和表面力模拟用于动态接触角度分析的应用.
主要成果:
- 对聚合物表面上水的静态接触角度的验证协议.
- 精确预测具有化添加剂的表面的动态接触角度.
- 成功复制接触角度歇斯底里趋势,将它们与表面特性联系起来.
结论:
- DPD框架提供了一个强大的数字工具,用于分析滴水表面相互作用.
- 表面化学,特别是化添加剂,显著决定了表面的湿透性和滴滴行为.
- 该模型捕捉了自我组装,表面能量和水性介质相互作用之间的相互作用.
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