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 M10: Computational Fluid Dynamics Methods for Multiphase Flows III
8:00 AM–10:10 AM,
Tuesday, November 20, 2018
Georgia World Congress Center
Room: B215
Chair: Onkar Sahni, Rensselaer Polytechnic Institute
Abstract ID: BAPS.2018.DFD.M10.5
Abstract: M10.00005 : Interface Curvature Calculations for Rudman Coarse-Fine Conservative Grids*
8:52 AM–9:05 AM
Presenter:
Kristopher Olshefski
(Montana State Univ)
Authors:
Kristopher Olshefski
(Montana State Univ)
Mark F Owkes
(Montana State Univ)
When a subgrid is used, the standard height function method is not accurate as it fails to capture subgrid interface perturbations. The proposed subgrid height function method captures these perturbations. Several variations of the subgrid height function approach are developed and tested. The variants include a fifth-order method and second-order methods that allow the scale the curvature is computed on to be varied. The methods are tested using an oscillating droplet test case and the robustness of the technique is shown by simulating an atomizing Diesel jet.
*Supported by the National Science Foundation under Grant No. (1511325 & 1749779).
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DFD.M10.5
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