An efficient immersed boundary method for fluid flow simulations with moving boundaries

An efficient immersed boundary method for fluid flow simulations with moving boundaries •We have developed an efficient immersed boundary (IB) treatment to simulate the interaction effect of fluid flow past a pair of circular cylinderswith heat transfer.•A simple imputation approach was proposed and applied to the immersed grid, and the Dirichlet and Neumann boundary conditions were satisfied.•High-resolution of local differential quadrature (LDQ) method is employed to discretize the Navier–Stokes equations.•We used three parameters included the Re number (10 ≤ Re ≤ 200), transverse spacing (g* = L/D), and longitudinal spacing (s* = S/D)to evaluate the heat transfer effect under dissimilar flow conditions.•The IB method and the discretization of the LDQ method were integrated to process and solve for complex IB problems involving heat transfer and flow–particles coupling. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Mathematics and Computation Elsevier

An efficient immersed boundary method for fluid flow simulations with moving boundaries

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Inc.
ISSN
0096-3003
eISSN
1873-5649
D.O.I.
10.1016/j.amc.2018.01.022
Publisher site
See Article on Publisher Site

Abstract

•We have developed an efficient immersed boundary (IB) treatment to simulate the interaction effect of fluid flow past a pair of circular cylinderswith heat transfer.•A simple imputation approach was proposed and applied to the immersed grid, and the Dirichlet and Neumann boundary conditions were satisfied.•High-resolution of local differential quadrature (LDQ) method is employed to discretize the Navier–Stokes equations.•We used three parameters included the Re number (10 ≤ Re ≤ 200), transverse spacing (g* = L/D), and longitudinal spacing (s* = S/D)to evaluate the heat transfer effect under dissimilar flow conditions.•The IB method and the discretization of the LDQ method were integrated to process and solve for complex IB problems involving heat transfer and flow–particles coupling.

Journal

Applied Mathematics and ComputationElsevier

Published: Jul 1, 2018

References

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