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Journal of Computational PhysicsThe overset grid method and the immersed boundary (IB) method, which have significant advantages in dealing with moving boundaries involving large amplitude motion, are widely used for fluid-structure interaction (FSI) problems in engineering ...
Abbas Khayyer
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An overset grid method for large eddy simulation of turbomachinery stages
Journal of Computational Physics, 2014zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Gaofeng Wang 0004 +5 more
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Overset adaptive-grid method with applications to compressible flows
Computers & Fluids, 1998zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Matsuno, Kenichi +2 more
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An Overset Chimera Unstructured Grid Method and Its Applications
Volume 1: Symposia, Parts A and B, 2007In this paper, an overset Chimera method is extended to unstructured mesh, the unstructured grid solver enhanced by the overset Chimera method is employed to various specific applications, in which time dependent fluid flows involving multiple moving bodies needs to be solved.
Xiang Zhao, Sijun Zhang
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Energy stable overset grid methods for hyperbolic problems
7th AIAA Theoretical Fluid Mechanics Conference, 2014We investigate an alternative approach of proving energy stability for hyperbolic problems on overset (or overlapping) grids. Instead of bounding the time derivative of the discrete energy in a given norm, we look at the system matrix and show stability in terms of its eigenvalues.
Nek Sharan +2 more
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Overset Unstructured Grids Method for Viscous Flow Computations
AIAA Journal, 2003Overset Unstructured Grids method is extended to the viscous flow computations of the multiple bodies in contact. In this paper, the overset treatment of hybrid meshes composed of tetrahedral , prismatic, pyramidal elements . is discussed in detail when those elements are embedded or contac ted to the wall boundary of another grid.
Fumiya Togashi +3 more
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Provably stable overset grid methods for computational aeroacoustics
Journal of Sound and Vibration, 2011The simulation of sound generating flows in complex geometries requires accurate numerical methods that are non-dissipative and stable, and well-posed boundary conditions. A structured mesh approach is often desired for a higher-order discretization that better uses the provided grids, but at the expense of complex geometry capabilities relative to ...
Daniel J. Bodony +3 more
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High Order Interpolation Method for Overset Grid Using FVM
19th AIAA Computational Fluid Dynamics, 2009In order to realize high order accuracy in an overset grid system, a high order interpolation method was developed based on Finite Volume Method (FVM). To improve stability in calculating a nonlinear discontinuity, it was combined with Multi-dimensional Limiting Process (MLP) to control oscillatory phenomena.
Kyung Rock Lee +2 more
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Aerodynamic Design Optimization by the Adjoint Equation Method on Overset Grids
44th AIAA Aerospace Sciences Meeting and Exhibit, 2006*† This paper deals with the use of the adjoint equation for aerodynamic shape optimization of complex configurations with overset grids methods. The use of overset grid eases the grid generation process, but the nontrivial task of ensuring communication between the overlapping grids needs careful attention.
Wei Liao, Her Mann Tsai
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Overset Grid Method for Simulation of Compressors with Nonaxisymmetric Casing Treatment
Journal of Propulsion and Power, 2013This paper describes a computational fluid dynamics method enabling unsteady Reynolds averaged Navier–Stokes computations of compressor configurations including nonaxisymmetric casing treatments. The interaction between the casing treatment and the rotor is simulated thanks to an overset grid approach, in which the meshes of the rotor blade channel and
Lionel Castillon, Guillaume Legras
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