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Integral vorticity transport method on an overset grid
International Journal for Numerical Methods in Fluids, 2011SUMMARYWe 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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High-order accurate implicit-explicit time-stepping schemes for wave equations on overset grids [PDF]
Journal of Computational PhysicsNew implicit and implicit-explicit time-stepping methods for the wave equation in second-order form are described with application to two and three-dimensional problems discretized on overset grids.
Banks, Jeffrey W. +3 more
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Resolution Appropriate Overset Grid Assembly for Structured and Unstructured Grids
16th AIAA Computational Fluid Dynamics Conference, 2003The assembly of an overset grid system requires two different resolution scales to perform the required holecutting and donor cell location. The assembly of nearbody grids, with overlapping surface grids and possible viscous layers, requires high-resolution and special procedures to produce an accurate assembly.
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Direct Noise Computations Using Overset Grids
15th AIAA/CEAS Aeroacoustics Conference (30th AIAA Aeroacoustics Conference), 2009The use of overset grids allows to describe naturally the solution of a set of partial differential equations for complex computational domain when structured grids are employed. It consists in the decomposition of the domain into smaller ones and in ensuring the communications between these sub-domains by interpolations.
Jérèmie Chicheportiche +1 more
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Conservative interfacing for overset grids
38th Aerospace Sciences Meeting and Exhibit, 2000Philip Cali, Vincent Couaillier
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Implementation and verification of an explicit overset grid method [PDF]
, 2018 This paper presents an initial implementation of the overset method in the solver ReFRESCO. The DCI (Domain Connectivity Information) is computed by the external library Suggar++ and the coupling between meshes is done explicitly. Manufactured solutions and analytical solutions are used in order to quantitatively assess the discretisation errors.
Lemaire, Sébastien +2 more
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Dual-Grid Interpolation for Cell-Centered Overset Grid Systems
AIAA Scitech 2020 Forum, 2020Ralph W. Noack +3 more
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Treatment of solid objects in the Pencil Code using an immersed boundary method and overset grids
Geophysical and Astrophysical Fluid Dynamics, 2020Tai Jin +2 more
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Efficient Upwind Finite-Difference Schemes for Wave Equations on Overset Grids
SIAM Journal of Scientific Computing, 2023Jeffrey Banks, W D Henshaw
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