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A Fixed-Mesh Approach for Gas-Liquid-Rigid Interaction Problems

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, , Citation K Sugiyama et al 2016 IOP Conf. Ser.: Earth Environ. Sci. 49 062020 DOI 10.1088/1755-1315/49/6/062020

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kazuyasu.sugiyama@me.es.osaka-u.ac.jp

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1 Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan

2 Advanced Center for Computing and Communication, RIKEN, 2-1 Hirosawa, Wako, Saitama, 351-0106, Japan

3 Department of Mechanical Engineering, Meiji University, 1-1-1 Higashimita, Tama- ku, Kawasaki, Kanagawa, 214-8571, Japan

4 School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656Japan

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1755-1315/49/6/062020

Abstract

A fixed-mesh approach has been developed to facilitate predicting a certain class of gas-liquid-rigid interaction problems. All the basic equations are discretized on a Cartesian grid in a finite-difference manner. The Volume-Of-Fluid and Boundary Data Immersion methods are employed to treat the gas-liquid and fluid-rigid interfaces, respectively. A hybrid OpenMP- MPI approach is adopted for parallel computing. The developed code is validated through comparisons with experiments of an oil-air flow driven by a rotating disk with holes. The simulated results demonstrate the capability in capturing the velocity distributions.

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10.1088/1755-1315/49/6/062020