Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session P20: Computational Fluid Dynamics
2:30 PM–4:18 PM,
Wednesday, March 4, 2020
Room: 301
Sponsoring
Unit:
DFD
Chair: Anand Oza, New Jersey Inst of Tech
Abstract: P20.00006 : Adaptive time-step selection in volume of fluid (VOF) simulations
Presenter:
Ashkan Davanlou
(Siemens Digital Industries Software)
Author:
Ashkan Davanlou
(Siemens Digital Industries Software)
In this presentation, we focus on a tank sloshing simulation with Simcenter STAR-CCM+ aiming to demonstrate the merits of using adaptive time-step for VOF multi step simulations. We highlight the add on value from two perspectives 1) reduction in overall computational time for a range of transient examples that are known to have non-constant timescales, 2) demonstrate an improvement in convergence compared to a constant time step set at the average of the variable timestep run.
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