数值润湿基准——推进 plicRDF-isoAdvector 非结构化流体体积法（VOF）
Numerical wetting benchmarks -- advancing the plicRDF-isoAdvector unstructured Volume-of-Fluid (VOF) method
AI总结：
本文通过近壁输运、液滴平面/球面铺展和二维毛细上升四项基准，验证并确认了 plicRDF-isoAdvector 非结构化 VOF 方法处理润湿问题的准确性与可用性。
摘要：
几何复杂表面润湿与去润湿过程的数值模拟受益于非结构化数值方法，因为这类方法能够以二阶精度离散计算域。近期开发的非结构化几何流体体积法（VOF）——plicRDF-isoAdvector 方法，因其体积守恒特性和较高的计算效率，被选用于研究润湿过程。本工作针对润湿问题对 plicRDF-isoAdvector 方法进行了验证与确认。我们提出四项验证研究：第一项研究考察近壁面处界面输运的精度；随后分别研究液滴在平面和球面上的铺展，并在这两个问题上获得了与参考解高度一致的结果。此外，还考虑了二维毛细上升问题，并基于前人工作的结果开展了基准比较。本研究所使用的基准套件、输入数据和 Jupyter Notebooks 均公开可用，以促进进一步研究以及与其他数值代码的比较。
英文摘要：
The numerical simulation of wetting and dewetting of geometrically complex surfaces benefits from unstructured numerical methods because they discretize the domain with second-order accuracy. A recently developed unstructured geometric Volume-of-Fluid (VOF) method, the plicRDF-isoAdvector method, is chosen to investigate wetting processes because of its volume conservation property and high computational efficiency. The present work verifies and validates the plicRDF-isoAdvector method for wetting problems. We present four verification studies. The first study investigates the accuracy of the interface advection near walls. The method is further investigated for the spreading of droplets on a flat and a spherical surface, respectively, for which excellent agreement with the reference solutions is obtained. Furthermore, a 2D capillary rise is considered, and a benchmark comparison based on results from previous work is performed. The benchmark suite, input data, and Jupyter Notebooks used in this study are publicly available to facilitate further research and comparison with other numerical codes.
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