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Finite volume

A FINITE VOLUME METHOD FOR SOLVING GENERALIZED NAVIER-STOKES EQUATIONS

A FINITE VOLUME METHOD FOR SOLVING GENERALIZED NAVIER-STOKES EQUATIONS

... keywords : generalized Navier-Stokes equations, pseudo-plastic fluids, finite volume methods, admissible primal-dual mesh, discrete derivatives operators, discrete Hodge formula.. ∗ Acce[r] ...

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DEVELOPMENT OF A HYDRODYNAMIC MODEL OF A HYDROCYCLONE INCLUDING THE SIMULATION OF AIR-CORE EFFECT, USING THE FINITE VOLUME METHOD

DEVELOPMENT OF A HYDRODYNAMIC MODEL OF A HYDROCYCLONE INCLUDING THE SIMULATION OF AIR-CORE EFFECT, USING THE FINITE VOLUME METHOD

... The flow simulation was done using a 3D geometry and the partial differenital equations were solved using ANSYS FLUENT 12.1 ®, with the method of finite volume. The turbulence model used was RSM, and water ...

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Plane contraction flows of upper convected Maxwell and phan-ThienTanner fluids as predicted by a finite-volume method

Plane contraction flows of upper convected Maxwell and phan-ThienTanner fluids as predicted by a finite-volume method

... used finite- element and finite-volume methods, and who have also shown that the Oldroyd-B constitutive equation can lead to the appearance of a lip vortex in the 2-D contraction flow, provided the ...

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FINITE VOLUME METHOD FOR THE CALCULATION OF ELECTROSTATIC FIELD OF THE 3-D SPHERE WITH A CUBIC CAVITY

FINITE VOLUME METHOD FOR THE CALCULATION OF ELECTROSTATIC FIELD OF THE 3-D SPHERE WITH A CUBIC CAVITY

... Abstract. The paper presents the numerical approach based on finite volume method, which is used to calculate the electric field in three-dimensional environment. For this reason for formulated Dirichlet ...

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An enriched meshless finite volume method for the modeling of material discontinuity problems in 2D elasticity

An enriched meshless finite volume method for the modeling of material discontinuity problems in 2D elasticity

... local finite volumes in meshless FVM eliminates the need for mesh ...local finite volumes where each finite volume is independent of the others, ...overlapped finite volumes are ...

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Numerical Simulation of Non-linear Elastic Flows with a General Collocated Finite-Volume Method

Numerical Simulation of Non-linear Elastic Flows with a General Collocated Finite-Volume Method

... published finite-element results [20] are sufficient for the present ...present finite-volume procedure is capable of coping with this non-rectangular geometry, both for the Newtonian and ...

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Two-grid Method for Characteristics Finite Volume Element of Nonlinear Convection-dominated Diffusion Equations

Two-grid Method for Characteristics Finite Volume Element of Nonlinear Convection-dominated Diffusion Equations

... When using the characteristics finite volume element method to discrete in space for the nonlinear equation, we can obtain the nonlinear system. The solution of a nonlinear system on the fine space is much ...

7

A solution of two-dimensional magnetohydrodynamic flow using the finite volume method

A solution of two-dimensional magnetohydrodynamic flow using the finite volume method

... The purpose of this paper is to determine the velocity profile in the channel of Magnetohydrodynamic conduction pump using the code developed with the finite volume method in Matlab. Also, the comparison of ...

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FINITE VOLUME METHODS AND ADAPTIVE REFINEMENT FOR GLOBAL TSUNAMI PROPAGATION AND LOCAL INUNDATION

FINITE VOLUME METHODS AND ADAPTIVE REFINEMENT FOR GLOBAL TSUNAMI PROPAGATION AND LOCAL INUNDATION

... We will describe a type of finite volume numerical method that is useful for solving a class of hyperbolic equations, specifically the nonlinear shallow water equations. These equa- tions are one of the ...

10

The log-conformation tensor approach in the finite-volume method framework

The log-conformation tensor approach in the finite-volume method framework

... A Finite Volume Method (FVM) is applied to the numerical simu- lation of laminar viscoelastic flow around a confined cylinder using the Oldroyd-B model [1] and the Phan-Thien–Tanner (PTT) model [2,3] with ...

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DebrisInterMixing-2.3: a finite volume solver for three-dimensional
debris-flow simulations with two calibration parameters – Part 1: Model description

DebrisInterMixing-2.3: a finite volume solver for three-dimensional debris-flow simulations with two calibration parameters – Part 1: Model description

... release volume or po- sition can lead to different accelerations and corresponding changes in the automatic time step control can alter the de- velopment of rheology over ...

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Model based control for run-of-river system. Part 1: Model implementation and tuning

Model based control for run-of-river system. Part 1: Model implementation and tuning

... The finite volume method with staggered grid was compared with the Kurganov-Petrova central upwind scheme, and was used to illustrate the dynamics of the river upstream from the Grønvollfoss run-of-river ...

13

Braz. J. Chem. Eng.  vol.34 número1

Braz. J. Chem. Eng. vol.34 número1

... Abstract - To describe flow-induced fiber orientation, the Fokker-Planck equation is widely applied in the processing of composites and fiber suspensions. The analytical solution only exists when the Péclet number is ...

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Transport and deposition of spherical microparticles with single-shell in a 90 degree bend

Transport and deposition of spherical microparticles with single-shell in a 90 degree bend

... The finite volume method was used to simulate the flow field in the bend pipe and one-way coupled Lagrangian method was used to calculate the trajectory, and DE of ...

4

Central upwind scheme for a compressible two-phase flow model.

Central upwind scheme for a compressible two-phase flow model.

... Very recently, diffuse interface method, finite volume WENO scheme and discontinuous Galerkin method have been used to solve the multiphase flow models [8–10]. However, in this work, the central upwind ...

26

Braz. J. Chem. Eng.  vol.25 número1

Braz. J. Chem. Eng. vol.25 número1

... the finite-difference, finite-element, and finite-volume methods are the most used ...using finite-difference and finite-element methods (Crochet and Pilate, 1976; Perera and ...

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J. Braz. Soc. Mech. Sci. & Eng.  vol.26 número2

J. Braz. Soc. Mech. Sci. & Eng. vol.26 número2

... A significant reduction in gather/scatter costs and memory re- quirements in the solver can be obtained by going from an element- based to an edge-based data structure (Lyra et al., 1998). This reduc- tion is more ...

10

Braz. J. Chem. Eng.  vol.32 número1

Braz. J. Chem. Eng. vol.32 número1

... In this paper, we presented an EOS-based thermal simulation in conjunction with the finite-volume method using unstructured meshes. An equation of state is used for equilibrium calculations between all ...

12

Mat. Res.  vol.14 número3

Mat. Res. vol.14 número3

... well-known finite element/control volume (FE-CV) methods, except that the finite element method is substituted here for a Control Volume Finite Element method ...The finite ...

10

Mat. Res.  vol.14 número1

Mat. Res. vol.14 número1

... the finite volume method (FVM) in a computational code in order to simulate the influence of the heat input, base metal thickness and preheating temperature on the thermal evolution and the cooling rate ...

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