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In this research, it used only numerical methods, which was based on CFD methods using ANSYS/FLUENT software.
Delta wing model Delta wing model was meshed by ICEM-CFD tool in ANSYS/FLUENT software, which was very power meshing tool which specifically blocking a computational domain, was used to mesh computational domain of all cases Delta wings (Fig. 2, Fig. 3).
R., “Compact Difference Scheme Applied to Simulation of Low-Sweep Delta Wing Flow,” AIAA Journal, Vol. 43, No. 8, 2005, pp. 1744–1752

Key process parameters such as temperature, pressure and density were extracted from fluid dynamic simulations using a commercial computation fluid dynamics (CFD) software package [8].
[8] Computational fluid dynamics (CFD) software information http://www.cd-adapco.com/ [9] S.H.

We employ numerical simulations to investigate the breakup of droplets in micro- and nanoscale T junctions which are used to produce small droplets from a large droplet.
A Volume Of Fluid (VOF) method was used and for verifying the accuracy of simulation the results compared with two analytical researches.
Urbant, (2006), "Numerical simulations of drops in microchannels," M.Sc. thesis, Technion [13] R.
Haynes, (2009), "On the CFD modeling of Taylor flow in microchannels ", Chemical Engineering Science 64, 2941-2950 [14] Ahmad Bedram, Ali Moosavi, (2010), "Numerical Investigation of droplets breakup in microfluidic T-junction", International Conference on Physics Science and Technology ICPST, Hong Kong, China, Paper ID: S066 [15] A.
Aluru, (2004), "Microflows and Nanoflows Fundamentals and Simulation", Springer

Numerical simulation methods Flow field and aerodynamic heating simulation.
All the simulation was calculated with CFD software FLUENT.
IR characteristic simulation method.
Simulation results The pressure field of missile surface was shown in Fig.3.
ACM Transactions on Modeling and Computer Simulation, 8 (1998) 3-30

The flow driven by heat difference and buoyant force in such a cavity has been widely investigated by simulations or experiments.
Compared to conventional computational fluid dynamics (CFD) algorithm that solve the momentum and energy equations by finite volume method (FVM)[2] or arbitrary Lagrange equation (ALE), LBM uses a kinetic equation to solve the flow at microscopic level and conservative transport equation for macroscopic variables, which is time-cost saving and easy to parallelization[3].
In section 2, numerical method for the 2D differentially heated cavity simulation is described, including the governing equations and physical model.
Results for the simulations under different Rayleigh numbers from 103 to 106, and the aspect ratios range from 0.5 to 10 are obtained.
Table 1 Comparison of D2Q9 LBM simulations with Benchmark analysis Ra 103 104 105 106 CDA [1] 1.117 2.238 4.509 8.817 present 1.1313 2.2763 4.5641 8.8443 Fig. 2 presents the streamlines for and 106 of a standard square cavity.

The trend line between the simulation data and experimental data has no significant difference and thus it shows that the simulation data were verified.
Simulation The numerical simulation was carried out to determine the drag of the AUV at lower speed, between 0.05ms-1 and 0.5ms-1 which cannot be reached by the experiment.
ANSYS Fluent software was employed to do this simulation.
The simulation trend line is in line with the experiment trend line.
Arshad: CFD Simulation of Cooperative AUV Motion, Indian Journal of marine Sciences, vol. 38(3), (2009), p. 346-351

This paper focuses on computational fluid dynamics (CFD) simulation of the dynamic exploited influence of wind field in the open pit quarry.
Fig. 1 Simulation model Fig. 2 Mesh inside the quarry Simulation Model.
In these simulations, we use SIMPLE algorithm that supposed by Patankar and Spalding [9]， the wall is treated by wall function and face interpolation of cell centered solution variables use a second order upwind scheme.

Fire simulation programs are classified into zone models and field models.
The FDS was developed by the National Institute of Standards and Technology (NIST), based on Computational Fluid Dynamics (CFD), and uses large eddy simulation (LES) for computing flow patterns.
The essential fire simulation positions are shown in Figs. 1-4.
Guo, Numerical simulation of fire-induced flow a stairwell, Build.
Huang, Using fire dynamic simulation (FDS) to reconstruct an arson fire scene, Build.

., taiyuan 030032,China acwy63@126.com,bwyueyou@163.com,csun8711@126.com,dtakai@163.com Keywords: self-priming centrifugal flotation cell;flow field;two phase flow;numerical simulation;feed angle Abstract.Feed angle have a great effect on the flotation efficiency of self-priming centrifugal flotation cell.In order to improve the efficiency of flotation,the effect of feed angle on the flow field in a self-priming centrifugal flotation cell was investigated using STAR CCM+.The distribution law of velocity,pressure,turbulent kinetic energy under different angles was gotten.The turbulent kinetic energy and the pressure difference increased with the feed angle.
Numerical simulation of multiphase turbulent was carried out for flow field of the flotation cell with CFD.
Numerical simulation method Geometry model and boundary conditions.According to the model of the flotation cell and the main structure of size, three-dimensional physical model was created by Gambit software.It includes a outer cylinder,a inner cylinder and the feed equipment.Figure 1 shows the geometry calculation model of the self-priming centrifugal flotation cell.

Numerical Study on the Heat Transfer Characteristic in Periodical Variable Cross-section Channel Li Li, Xiaoze Du School of Energy and Mechanical Engineering, North China Electric Power University Beijing 102206, China doubleli@ncepu.edu.cn, duxz@ncepu.edu.cn Key words: heat transfer, numerical simulation, variable cross-section Abstract.
A commercial CFD software Fluent is used for the numerical solutions.
The grid independence is carried out to raise the accuracy of simulations.
Conclusion Average heat transfer characteristics in a multi-period converging-diverging channel in steady regime have been investigated through numerical simulation.