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Simulations were carried out employing the Ansys CFX commercial software.
To study the characteristics of the filtration process during CFD simulation, the module's geometry was inserted in Cartesian planes, considering the x (transversal length), y (height), and z (longitudinal length) axis.
Implementation of the finite element method for simulation of mass transfer in membrane contactors.
Wilcox, Turbulence modeling for CFD.
Cunha, Treatment of effluents from the oil industry via ceramic membranes - modeling and simulation.

By building a 2D axisymmetric model of 300mm DF-CCP etcher in CFD-ACE+ software, plasma simulation experiments are carried out by orthogonal design.
In this paper, based on a 300mm DF-CCP etcher, a two dimensional fluid model is built with CFD-ACE+.
Then carry out the simulation experiments by orthogonal design.
With argon as the process gas, The CCP discharge simulation is solved in CFD-ACE+ software by the finite volume method, with transient simulation employed.
Then compare the optimization results with simulation results.

The experimental results were compared with theory based calculations and also with 3-D computational fluid dynamics (CFD) simulation results.
The goals of this study were to use a measurement-based method for separation of thermal contact resistances [8], evaluate the pressure dependence between a SiC chip and Molybdenum and between Molybdenum and bulk Copper and validate the results with 3-D computational fluid dynamics (CFD) simulations.
Steady state thermal CFD simulations of the experiment setup were performed in the model.
Detailed CFD model simulation results.
Good agreement between thermal measurements and 3-D CFD simulations was also obtained.

The misalignment was quantified using CFD as design tool.
The aerodynamics visualization through CFD supports well the mass flow improvement.
The detail CFD is done to focus the investigation onto the velocity and pressure distribution inside flow passage.
The flow characteristics and heat transfer properties were studied theoretically using computational fluid dynamics (CFD) simulations and experimentally using rotating test rig.
Idris, Investigations on the effect of blade angle on the ventilated brake disc using CFD, vol. 376 , no.

Numerical Simulation Investigation of the Air Cushion Suspension Technology Yong Yu1, a, Guoqing Zhang1,b 1 Key Laboratory of Dynamics and Control of Flight Vehicle, Ministry of Education， School of Aerospace Engineering, Beijing Institute of Technology, Beijing, 100081, China axyxuyong@bit.edu.cn, bzhangguoqing@bit.edu.cn Keywords: air cushion, numerical simulation, vortex, mesh Abstract.
The work condition of the air cushion suspension technology was simulated numerically based on CFD technology.
This paper would focus on the work principium of the air suspension technology, designing features and simulation examples.
Setup for Numerical Simulation Size Function and Grid Technology.
Numerical simulation.

The improvement method is presented by using Computational Fluid Dynamics (CFD) technology.
Flow field of the improved hydraulic unit is more uniform after the numerical simulation.
Numerical Simulation Modeling and Meshing.
Before (L) and after (R) improvement the hydraulic clack seat Optimization Design and Analysis According to the CFD simulation and analysis, the components are shown: (1) Fig. 6 is the suction valve disc; (2) the parameter of the hydraulic clack seat is improved.
The improved flow has been remodeled and carried out the CFD analysis.

Wind-Resistant Control Research for the Main Girder of Large-Span Bridge Ronggui Liu1,a, Qing Guo2,b , Dongsheng Cai3,c and Bei Chen4,d 1,2,3,4Faculty of Civil Engineering and Mechanics, Jiangsu University, Zhenjiang, 212013, China aliurg@ujs.edu.cn, bforever9guo@163.com, c441734243@qq.com,d185612021@qq.com Keywords:large-span bridge;wind-resistant design;the three component coefficients;numerical simulation;CFD Abstract.
Static wind load is one of the control loads to large-span bridges, since the complexity of the bridge cross section and the characteristics of the natural wind, use the mathematical analysis method can not accurately describe the wind effects on bridges, and to make a model for wind tunnel test is time and money costly, besides, the equipments are very complex.The development of CFD(Computational Fluid Dynamics)provides an alternative means for the physical wind tunnel test.Using numerical simulation technology has many obvious advantages: economical, flexible, free from physical model and test limits,and can easily tell the flow field characteristics on various conditions.Based on these advantages,the CFD method has been applied to engineering practice, and with the combination of wind engineering, gives birth to Computational Wind Engineering, namely Numerical Wind Tunnel Technique[4].
CFD Basic Thought and Control Equation CFD's basic thought:change the physical quantity which is continuous in the time domain and space domain to a series of finite discrete points with different values and establish algebraic equations for these discrete points then solve algebraic equations to obtain the approximate value.
Fig.1 Steel box girder’s cross-sectional images of Sutong bridge Calculation Model and the Calculation Area.If calculated with the full size model, the flow field grid number will be enormous, together with the speed to solve the turbulent solution is slow, numerical simulation of large scale model is often adopted.This paper use the model of 1:50 scale,size is showed in figure 2.
Structural Engineering Mechanics,1997.5(6):767-774 [4] Weilian Qu,Linna Liu.CFD-based Numerical Research in the Identifying of Tri-componentForce Coefficient of Bridge[J].

However, the most limitation of a 2-D CFD model is no geometrical detail of tubes and chambers for the simulation ,due to a great effect of the geometry on the flow field.
Therefore, numerical simulation for the flow filed in the cylinder, suction system and discharge system is predicted unsatisfyingly via a 2-D CFD model. 2-D CFD analyses for temperature and velocity profiles, the valve dynamics and so on, were implemented by Kim , et al.[11], adopting the software package ADNIA. 3-D CFD model: based on Reynolds-averaged Navier–Stokes equations and an ideal gas equation of state, a 3-D CFD model for the analysis of the compressible turbulent flow in the cylinder, the suction chamber and discharge chamber of a reciprocating compressor is built, employing the dynamic mesh owing to the occurrence of moving boundaries, for example, the motions of valves and piston [12].
In contrast with the experiment，CFD can shorten the term and reduce the cost in the development.
In the era of the rapid update of the product and the fierce competition in the market, it’s of great significance for the enterprise to lower costs, shorten the term and be competitive in the market, employing the gas force from CFD as the boundary condition of the simulation of the dynamics of the main drive system.
[7] C.Q Song: Dynamic Analysis and Simulation of the Automotive Air Compressor’s Crank-Rod Mechanism (MS., Wuhan University of Technology, China 2009), p.14

Large Eddy Simulation of Wind Loads on a Low-Rise Structure and Comparison with Wind Tunnel Results Isam Janajreh1,a, and Emil Simiu2,b 1Masdar Institute of Science and Technology, Abu Dhabi, United Arab Emirates 2National Institute of Standard and Technology, Gaithersburg, USA aijanajreh@masdar.ac.ae, bemil.simiu@nist.gov Keywords: Aerodynamics, Computational Fluid Dynamics (CFD), Large Eddy Simulation, Wind Engineering Abstract.
The estimates were obtained by large eddy simulation (LES).
Direct Numerical Simulation (DNS) and Large Eddy Simulations (LES) are alternatives, albeit costly, to RANS that can model satisfactorily the low frequency scales.
Governing System and Turbulent Modeling via Large Eddy Simulation.
This work suggests the potential feasibility of CFD utilizing Large Eddy Simulation to simulate pressure time histories obtained by wind tunnel measurements.

Simulation with software is one of the most important research methods.
Simulation based on ANSYS/FLUENT Structure.
Ma et al. [11] set up a 3D mathematical model of H2-air PEMFC and carried out simulations and performance optimization, by comparing the different cross sections and adjusting structure parameters of flow channel, based on computational fluid dynamics (CFD) software Fluent6.3 Gambit2.2.
The continuity, momentum, and energy equations are simultaneously solved by a general CFD code.
Cao: Computer Simulation Vol. 23 (2006), p. 204 (In Chinese) [25] H.S.