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On the Application of a Mobile Grid Technology to Computational Fluid Dynamics
* Corresponding Author: Zhiyuan Cheng. Email: .
(This article belongs to the Special Issue: EFD and Heat Transfer)
Fluid Dynamics & Materials Processing 2019, 15(4), 357-366. https://doi.org/10.32604/fdmp.2019.07843
Abstract
On the basis of harmonic mapping theory, a mobile grid technology is applied to computational fluid dynamics (CFD). Starting from the observation that standard fixed-grid techniques often fail in addressing problems with large deformations, we elaborate a new algorithm relying on the software COMSOL Multiphysics 5.3a to solve the coupling of the mobile grid equation and the governing differential equations for fluid flow. The motion of water in a water tank when the tank waggles is simulated. We demonstrate that this technology can be implemented without a significant increase in the computational cost with respect to standard numerical methodsKeywords
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