Bulletin of the American Physical Society
71st Annual Meeting of the APS Division of Fluid Dynamics
Volume 63, Number 13
Sunday–Tuesday, November 18–20, 2018; Atlanta, Georgia
Session D10: Computational Fluid Dynamics Methods for Multiphase Flows II
2:30 PM–4:40 PM,
Sunday, November 18, 2018
Georgia World Congress Center
Room: B215
Chair: Stephane Zaleski, Pierre and Marie Curie University
Abstract ID: BAPS.2018.DFD.D10.1
Abstract: D10.00001 : Development of a Multi-Plane Interface Reconstruction to Enable Modeling of Atomizing Flows in Volume of Fluid Simulations*
2:30 PM–2:43 PM
Presenter:
Robert Chiodi
(Cornell University)
Authors:
Robert Chiodi
(Cornell University)
Olivier Desjardins
(Cornell University)
For simulations of liquid-gas flows that undergo topology changes, the ideal representation of the interface would be capable of conserving mass and be truthful to the structures in the flow. The need to conserve mass has been largely met by geometric Volume of Fluid methods. These methods, however, typically induce erroneous breakup due to numerical errors once the interfacial structures become near the scale of the mesh size. To prevent the numerical method from dictating when structures breakup, we have developed a novel multi-plane reconstruction technique that allows capturing of sub-cell structures while still maintaining discrete mass conservation. With the small structures maintained, physical models can then be applied to address the onset of breakup and the ensuing physics. In this talk, we will compare the new multi-plane reconstruction method to the current de-facto standard, PLIC, for several canonical test cases along with the case of an atomizing liquid jet. Models for the breakup of sub-cell structures will be explored.
*This work was sponsored by the Office of Naval Research (ONR) as part of the Multidisciplinary University Research Initiatives (MURI) Program and an NDSEG fellowship. The views and conclusions contained herein are those of the authors only.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DFD.D10.1
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