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Modeling technology and simulation for micro-mechanical gas-flow level-gesture sensor is explained.
Through ANSYS－FLOTRAN CFD program and by means of a series of procedures, such as 3d-modeling, network modifying, loads applying and equation solving, FEM analysis has been obtained.
Choose ANSYS-FLOTRAN CFD analysis function; defining the type of unit.
Meshing is an important step in modelling, which has a great influence on precision and simulation time.
Practical engineering simulation and its application in practice on ANSYS [M].Xi’an：Northwestern Polytechnical University Press，1999.221

Regression Test of Stainless Steel Stamping Well-Pump Based On Numerical Simulation Chuan Wang a, Weidong Shi b, Weigang Lu c, Yan Xu d, Ling Zhoue (Research Center of Fluid Machinery Engineering and Technology, Jiangsu University, Zhenjiang, Jiangsu 212013, China) awangchuan198710@126.com, bwdshi@ujs.edu.cn Keywords: stamping pump regression experiment CFD optimization.
Combined with the features of stamping technology, this research was taken on raising the efficiency of stamping well pump, using hydraulic design of impeller and CFD and regression test method.
The research which associates hydraulic design and CFD with regression test is very few nowadays.
Therefore, this paper uses simulation to forecast preliminarily the pump’s efficiency.
Fig.2 Comparisons of efficiency Fig.2 shows that the simulation efficiency of optimization model pump agrees with the experiment value quite well in the entire flow range, the error is within 2%, which proves the accuracy of the whole flow field numerical simulation.

As in many other areas of aerodynamics, computational fluid dynamics (CFD) was introduced as a tool for aerodynamic research and design.
Both the indicial method and the coupled CFD–CSD method were used.
Hoang et al. [5] presented a new integrated CFD–CSD simulation for flutter calculations based on a parallel, multiblock, multigrid flow solver for the Euler/Navier-Stokes’ equations using ANSYS software.
Thin plat with loadcell Fig. 1 Thin plate The simulation of aeroelasticity problem including nonlinear CFD analysis in combination with dynamic structure model, was carried out to study the deformation of the structure under aerodynamic changes over time.
The simulation was set up with the same configuration of experiment.

The numerical simulations are carried out by using Ansys-Fluent solver.
In order to perform numerical simulation, experimental data of Mokry et al. [2] is considered.
In order to get confidence of the present work, the experimental data of Yamagata et al. [1] has been used for simulation.
The simulation and validation of the present model against the experimental data of Yamagata et al. was performed (Figs. 1a and 1b).
Based on simulation of cases with different q/G ratios, it was found that when q/G < 0.6, heat transfer enhancement is observed.

The power coefficient of bidirectional tidal stream turbine obtained by CFD method is 39.36% at the design tip speed ratio.
The comparison between experimental results and numerical prediction results is shown in Fig.1, and the power coefficients obtained by CFD method are almost the same with experiment results.
Fig.1 The comparison between experimental and CFD Blade design and numerical simulation In this paper, the bidirectional airfoil should be fore-aft symmetry to obtain the same power from the both of the tidal current directions.
Computer Simulation, 2010, 27(3):276-280 (in chinese).

Bredell [10] utilized Fluent CFD code to investigate the interaction of fans runnig in a row used in a forced draft air-cooled steam condenser.
Meyer[13] utilized Flo++ code（CFD）and a fan fig to investigate how to simulate the velocity field in the vicinity of fan blades by using the actuator disc and blade element theroy applied to CFD code.
Fan Simulation.
Fan outlet flow field Flow Simulation.
Heat Transfer Simulation.

Comparisons were made between CFD model and weakly non-linear KdV theory, it was shown that the wave amplitude predictions by the CFD model agreed well with the KdV equation.
Introduction With the development of computer technology and numerical simulation methods, numerical wave tanks based on the computational fluid dynamics (CFD) model have been widely used in the studies on the propagation of waves and the interaction between waves and structures [1-3].
Model Application and Simulation Method Numerical Wave Tank Design.
Therefore, the proposed CFD model was capable of simulating the propagation and evolution of internal solitary waves with high precision.
According to the numerical simulation, the convergence flow and divergence flow on the water surface caused by the generation and propagation of internal waves were successfully captured.

The fluid cooling of these models is not represented by a single heat transfer coefficient but an actual Computational Fluid Dynamics (CFD) simulation.
Models with a CFD simulation of the fluid cooling so far always possess only a simplified thermal model.
In this paper a detailed thermal model of a spindle is combined with a holistic CFD simulation of the cooling system.
The internal fluid cooling in the housing is to be simulated separately based on CFD method.
As heat sink the ambient air and the fluid cooling (as separate CFD simulation) were taken into consideration.

A Simulation Study of Flow and Pressure Distribution Patterns in a Two Stage Three Bucket Savonius Vertical Axis Wind Turbine Micha Premkumar T1, a, Seralathan S2, b, Ravikumar T S3, c and Jayagopal J4 1,2,3,4 Department of Mechanical Engineering, Hindustan Institute of Technology and Science Hindustan University, Padur 603 103, Tamil Nadu, India atmichamech@gmail.com, bsiva.seralathan@gmail.com, cravikumar@hindustanuniv.ac.in Keywords: CFD, two stage, three bucket, Savonius wind turbine.
Conventional Savonius vertical axis wind turbine and Dimensional details of SVAWT Numerical Methodology The numerical simulation is carried out with the commercial CFD code, ANSYS CFX 13.0©.
ANSYS ICEM CFD 13.0© is used to generate unstructured grid with tetrahedral elements in the computational domain along with flat prism shaped cells introduced near the wall.
Sunanto, Computer simulation studies on the effect overlap ratio for savonius type vertical axis marine current turbine, Int.
[15] Ivan Dobrev and Fawaz Massouh, CFD and PIV investigation of unsteady flow through Savonius wind turbine, Energy Procedia 6 (2011) 711-720

May used a simplified Monte Carlo model to simulation of polycrystalline CVD diamond film growth [11].
These simulation and experiment studies show that it was difficult to prepare high quality convex diamond film.
It was well agree with the simulation results of pressure.
High quality convex diamond film was prepared, and these results are well with accord simulation predicts.
In the present computional simulations, numerical analysis was based CFD.