Incompressible Flows
Derivation of Jump Conditions in Multiphase Incompressible Flows with Singular Forces
... The immersed interface method (IIM) is a class of nu- merical schemes for partial differential equations involv- ing interfaces and irregular domains. It is a sharp inter- face method that can accurately capture ...
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A diffuse interface model for quasi–incompressible flows : Sharp interface limits and numerics*,, **,, ***
... Abstract. In this contribution, we investigate a diffuse interface model for quasi–incompressible flows. We determine corresponding sharp interface limits of two different scalings. The sharp interface ...
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Adaptive Stokes preconditioning for steady incompressible flows
... that do not necessitate the evaluation of the Jacobian are preferred. Matrix-free methods revolve around the ability to express the product between the Jacobian and an arbitrary vector without ever evaluating the ...
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Fast Lattice Green's Function Methods for Viscous Incompressible Flows on Unbounded Domains
... viscous, incompressible flows on unbounded domains is ...The incompressible Navier-Stokes equations are discretized on an unbounded staggered Cartesian grid and are solved in a finite number of ...
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Goal oriented adaptive composite discontinuous Galerkin methods for incompressible flows
... The structure of this article is as follows. Section 2 introduces the com- posite finite element spaces, based on the ideas developed in [1, 20, 19]. In Section 3 we introduce the incompressible Navier–Stokes ...
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A Kinematics Scalar Projection Method (KSP) for Incompressible Flows with Variable Density
... The approach proposed here is based entirely on the mechanics of discrete media [20]. This formulation of the momentum conservation equation results in a set of equations that is different from the standard Navier-Stokes ...
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A Fast Immersed Boundary Fourier Pseudo-spectral Method for Simulation of the Incompressible Flows
... Fourier pseudo-spectral solution of the voricity-based formulations of the Navier-Stokes equations (NSE) have been used widely in the two-dimensional incompressible flow simulations [1]. However, the classical ...
10
A new diffusion scheme in vortex methods for three-dimensional incompressible flows
... Vortex methods are numerical methods to solve the vorticity transport equation of incompressible ow. They take advantage of the fact that vorticity is a material quantity in inviscid ows. For two-dimensional ows, ...
13
Dissipative particle dynamics modeling of low Reynolds number incompressible flows
... number. Re is changed by means of the particle mass. We use m = 0.005 → 0.1,which leads to 0.02 ≤ Re ≤ 0.48 and 0.05 ≤ M ≤ 0.24. The corresponding flows can thus be considered as low Reynolds number ...
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Investigation of steady incompressible flows in the vicinity of an airfoil
... 1 Page Discretization of a continuum by a 2a 2b Field transformation: Physical Field transformation: Transformed 3 Converged 4 5 contracted coordinate coordinate uncontracted NACA4412 co[r] ...
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Discontinuous Galerkin methods for compressible and incompressible flows on space-time adaptive meshes
... the incompressible Navier-Stokes equa- ...the incompressible Navier-Stokes equations introduces an important difficulty in their numerical solution: whenever the small- est physical or numerical ...
241
A Hybrid Reconstructed Discontinuous Galerkin and Continuous Galerkin Finite Element Method for Incompressible Flows on Unstructured Grids.
... A large number of models have been developed for numerical simulation of turbulent flows. Beginning with the one-equation model by Spalart and Allmaras [36], turbulence modeling has progressed to seven-equation ...
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A Momentum Interpolation Method for Laminar Incompressible Flows
... In recent years, finite volume methods have become very popular for solving the incompressible Navier– Stokes equations. When scalar and vector variables (e.g. velocities and pressure) are used, special treatment ...
6
Finite difference schemes for incompressible flows in vorticity formulations
... In this paper, we review some recent progress made in 4, 5, 6] on nite dierence schemes for viscous incompressible ows using vorticity formulation. The main purpose of this series of papers 4, 5, 6] is to ...
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Simulation of Gravity Wave Propagation in Free Surface Flows by an Incompressible SPH Algorithm
... of incompressible flows using the SPH model, the incompressibility was achieved by employing an equation of state and the fluid was assumed to be slightly ...truly incompressible version of the SPH ...
9
Dynamical equations for the vector potential and the velocity potential in incompressible irrotational Euler flows: A refined Bernoulli theorem
... two-dimensional flows with singular vorticity distributions ...three-dimensional incompressible flows under similar conditions and their hy- percomplex ...
8
Near-wall scaling for incompressible and compressible flows
... in incompressible and compressible flows. It concen- trates on flows with streamwise pressure gradients which render traditional scaling ...For incompressible flows a scaling for the ...
19
A new approach to the particle-in-cell method for the computation of three-dimensional incompressible unsteady flows
... In this paper we describe a new approach of the particle-in-cell (PIC) method for the computation of three-dimensional incompressible flows. The simulation of the wake roll-up behind a flat plate, in the ...
14
Multiscale Modeling and Computation of 3D Incompressible Turbulent Flows
... 3D incompressible flows at high Reynolds number is very challenging due to the huge number of degrees of ...turbulent flows is essential in many engineer- ing ...homogeneous incompressible ...
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