期刊
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
卷 344, 期 -, 页码 360-375出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cma.2018.10.021
关键词
Smoothed particle hydrodynamics; Finite particle method; Thin film; Shallow water equations; Surface tension
资金
- Swiss Federal Commission for Technology and Innovation (CTI), Switzerland [17978.1 PFIW-IW]
The smoothed particle hydrodynamic (SPH) method is applied to the simulation of a small scale thin fluid film. The major influence of surface tension effects in small scales leads to the need of a method capable of accurately modeling third order derivatives. Previous results show that there are circumstances where SPH is not consistent, resulting in difficulties to calculate higher order derivatives. In order to resolve this, the SPH method is extended using the finite particle method which allows to consistently calculate derivatives up to a chosen order. The model is validated by comparing the stationary simulation of a small drop to the analytical solution. (C) 2018 Elsevier B.V. All rights reserved.
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