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Enhancement and Application of Overset Grid Assembly [PDF]

Chinese Journal of Aeronautics, 2010
In this article, the overset grid assembly method is improved to efficiently solve several critical problems that occur when applying overset grids to the complicated geometries and moving body. First, instead of using the two-step searching (i.e.
Chao Yan
exaly   +2 more sources

Flows around moving bodies using a dynamic unstructured overset-grid method

International Journal of Computational Fluid Dynamics, 2010
Akay, Hasan U/0000-0003-2574-9942In this article, a computational fluid dynamics algorithm is presented for simulations of complex unsteady flows around rigid moving bodies using an unstructured overset-grid method.
Akin Ecer
exaly   +2 more sources

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Compressible lattice Boltzmann method with rotating overset grids

Physical Review E, 2023
The numerical instability of the lattice Boltzmann method (LBM) at high Mach or high Reynolds number flow is well identified, and it remains a major barrier to its application in more complex configurations such as moving geometries. This work combines the compressible lattice Boltzmann model with rotating overset grids (the so-called Chimera method ...
Yoo, Heesik, Wissocq, Gauthier, Jacob, J., Favier, J., Sagaut, Pierre   +4 more
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214 Development of overset grid method with mass conservation

The Proceedings of the JSME Annual Meeting, 2005
Shigeaki Kuroda
exaly   +2 more sources

Analysis of a Fractional-Step Method on Overset Grids

Journal of Computational Physics, 2002
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Burton, Tristan M., Eaton, John K.
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An overset grid method for the study of reflex tearing

Mathematical Medicine and Biology, 2008
We present an overset grid method to simulate the evolution of human tear film thickness subject to reflex tearing. The free-surface evolution is governed by a single fourth-order non-linear equation derived from lubrication theory with specified film thickness and volume flux at each end.
K L, Maki, R J, Braun, T A, Driscoll, P E, King-Smith   +3 more
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Surface grid generation methods for overset grids

Computers & Fluids, 1995
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Chan, William M., Buning, Pieter G.
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On parallel implementations of dynamic overset grid methods

Proceedings of the 1997 ACM/IEEE conference on Supercomputing (CDROM) - Supercomputing '97, 1997
This paper explores the parallel performance of structured overset CFD computations for multicomponent bodies in which there is relative motion between component parts. The two processes that dominate the cost of such problems are the flow solution on each component and the inter-grid connectivity solution.
Andrew M. Wissink, Robert L. Meakin
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An overset-grid method for 3D unsteady incompressible flows

Journal of Computational Physics, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Tang, H. S., Jones, S. Casey, Sotiropoulos, Fotis   +2 more
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Integral vorticity transport method on an overset grid

International Journal for Numerical Methods in Fluids, 2011
SUMMARYWe present an overset grid method for solution of the integro‐differential vorticity–velocity formulation of the Navier–Stokes equations for two‐dimensional, incompressible flow. The method uses a body‐fitted inner grid, on which vorticity is evolved semi‐implicitly, and a Cartesian outer grid with explicit vorticity evolution.
S. Renjitham, J. S. Marshall
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