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The experimental findings are compared to numerical results obtained with a computational fluid dynamics (CFD) package using a finite volume approach and its ability for the prediction of fibre movement in molten matrix during forming processes is evaluated.
Therefore, viscous and viscoelastic material models are used in calculations and numerical simulations of composite forming processes [6, 7].
In addition, numerical flow simulations were set-up to model the experiment.
Numerical simulations have been assessed for the prediction of the resistance force.
Additionally, this could be the result of neglecting elastic material properties in the simulation.

Numerical simulations of mixing enhancement have been studied by Mekkes et al [9], and results of numerical simulations of constant-area combustion by In-Seuck Jeung et al [10,11] are also important in this regard.
A numerical simulation (CFD) approach is applied whereby the total combustor length is constrained by the conditions that 80% or more of the combustion product species are formed, 90% or more of the maximum static pressure rise has occurred and temperature is no more than 2500K.
CFD Approach.
Aerothermodynamic-CFD Design Results Total Combustor Length.
Numerical simulations are carried out for reduction of scramjet combustor length.

To improve simulation accuracy and to ensure the authenticity of the simulation results, the difference scheme of control equation adopt second-order upwind scheme, and the pressure-velocity coupling method of flow use SIMPLE algorithm [9,10,11]. 2 Analysis of simulation results Figure 2 is the room temperature distribution cloud map in N-N section.
Contrasted with Figure 2 and reference [12], the temperature distribution is similar, so the results of this simulation accurately reflected the indoor air distribution.
The heat transfer on maintenance structure has little effect on temperature field and air distribution, so the simulation ignores the heat transfer on maintenance structure.
The simplifying and assumption make the simulation results had some difference to the actual situation, but the effect is little.
Influence of cooled ceiling on displacement ventilation system:CFD study .[ Master's degree paper].

On the basis of previous study, it aims to analyze the structure acoustic coupling effect on noise simulation results.
Influence of Volute Vibration on the Flow-Induced Noise Simulation Numerical simulation of the sound field is an important method in low-noise centrifugal pump design.
It can be seen from Table 1 that combination of CFD and BEM hybrid algorithm has better application.
Combination of CFD and BEM in simulating flow-induced noise is divided into two steps: solving the internal turbulent flow field of centrifugal pump; gaining the flow information based on the CFD calculation and defining equivalent sound source to simulating the sound field.
The sampling time is 5.7471 × 10-5s, which is the same as time-step in CFD.

Generally, a steady solution of pressure information can be obtained based on traditional CFD simulation if the inlet velocity of pipe is time independent.
In the field of CFD, it is easy to result in numerical instability given the strong oscillation of fluid velocity.
Similarly, the simulation of amplitude 3.65m/s lasted 8.5s only (Fig. 8-c).
It is found that the residual of simulation with cavitation model is much lower than that of simulation without cavitation model (Fig. 10).
Besides, simulations with and without cavitation model are tested.

H.Jin [10] calculated the axis force by CFD method.
This paper used the CFD numerical method, and calculated the numerical value of the TTCP wrap-around fins and the planar fins.
The tendency of the curves are alike and the difference should be smaller than the numerical simulation because the convergence condition.
J: Simulation-Based Optimization Design for Fins of a Missile with Wrap-Around Fins (MS.
Z: Journal of System Simulation, Vol.20 (2008) No.13, p. 3401-3403

COMSOL Multiphysics software is employed for simulation.
The maximum and minimum flux density values have been obtained from the simulation using COMSOL Multiphysics software.
The magnetic flux density values have been arrived from the COMSOL simulation.
Conclusion In this study the flow of MR fluid in annular orifice has been simulated using CFD approach.
References [1] Engin Gedik, Hüseyin Kurt, Ziyaddin Recebli, Corneliu Balan, Two-dimensional CFD simulation of magnetorheological fluid between two fixed parallel plates applied external magnetic field, Computers & fluids, 63 (2012) 128–134

Impact of Different Turbulence Models on Air Pollutant Flow and Distribution Peng Wang* , Hailin Mu Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian, Liaoning 116023, China *email: energyx@qq.com Keywords: Numerical Simulation; Urban Street Canyon; Canyon Aspect Ratio; Pollutant Dispersion; Computational Fluid Dynamics (CFD).
Although many wind tunnel simulations of flow around isolated buildings have been validated by on site measurements, the extremely small number of in street detailed flow structure measurements allows only very partial validation of the simulations.
Recently, the Computational Fluid Dynamics (CFD) approaches have been increasingly used to simulate the flow development and pollutant dispersion in street canyons.
�umerical Simulations Methods Model Domain.
CFD modeling is based on the numerical solution of the governing fluid flow and dispersion equations, which are derived from basic conservation and transport principle.

They research less on pressure velocity coupling algorithm in numerical simulation.
CFD Numerical Simulation Control equations.
In the case of numerical simulation calculation the selected vector high is 10m.
In order to compare the effect of different pressure velocity coupling algorithm on numerical simulation results, the paper selected three kinds of algorithm in numerical simulation.
[4] Wang, F.J., Computational fluid dynamics analysis of CFD software theory and application [M].

While a number of studies have investigated nonlinear dynamic fluid slosh using computation fluid dynamics (CFD) methods, the integration of a CFD model to the vehicle models has been attempted in only a few studies due to excessive computational demands of CFD analyses and extensive coordinates transformations [5,6].
Moreover, the validity of the CFD models has been demonstrated in a limited sense under nearly linear conditions.
CFD model validity is also illustrated through comparisons with the laboratory-measured data.
Simulations results are presented to illustrate anti-slosh effects of baffles in view of the braking performance.
The simulation results revealed significant interactions between the cargo and the vehicle.