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A simplified approach is proposed in order to reduce the computational effort of the simulations.
A decoupled thermo-structural simulation of the assembled actual engine during operating conditions has been performed.
The combustion gas pressure has been evaluated via 1D-CFD simulation of the whole engine and validated versus the experimental data obtained during bench tests of the engine equipped with a spark plug combustion pressure sensor.
Giacopini, “Multiphase CFD-CHT optimization of the cooling jacket and FEM analysis of the engine head of a V6 diesel engine,” Appl.
Kawabata, “Study of the simulation of piston skirt contact,” vol. 15, pp. 15–19, 1994

The CFD computational result and the analysis show that the airfoil of the seagull is suitable for the special work circumstances of the small unmanned plane, and it can be used for the further design of the wings.
Numerical Simulation Method The S-A Turbulent Flow Model The S-A turbulent flow model is specially designed for aerospace field in its research on the wall boundary flows, which is mainly used to properly solve the areas of boundary layer that is affected by viscidity and has a better convergence toward solid wall turbulence flow. [4] The S-A model is not directly simplified by the k-ε equations model, but begins with the analysis of experience and dimension.
The turbulent flow viscosity coefficient is calculated by the following formula: [7] Grid Division and Boundary Condition Settings In this paper, the numerical simulation airfoil models are seagull and NACA 4412 airfoils.
Simulation of Low-Reynolds-Number and High-Lift Airfoil S1223 [J]，Proceedings of the World Congress on Engineering 2009 Vol II，July 1-3,2009

The water pressure distribution of the blade surface of the impeller is obtained, which is more accurately than previous calculations [1], by the interior flow field CFD analysis on the high-pressure small-flow centrifugal pump, and the water pressure in the interfaces is transferred into the corresponding surfaces of the structure field by the One-way Fluid-structure Interaction technique.
The mesh quality is one of the key factors in the CFD calculation, which affects directly the accuracy of numerical calculation, and even the success or failure of computing problems[3].
Simulation results show that: under the water stress, the maximum deformation occurs on the brink of the blade, the maximum equivalent stress occurs at the liner near the blade pressure surface

Table 1deomstrates an excellent comparison of the average Nusselt number at the walls of the lid-driven cavity with two cylinders located along the horizontal centerline between the present results and that of Nek5000 CFD solver (Open-source solver; Argonne National Laboratory).
Comparison of the average Nusselt number at the walls of the lid-driven cavity with two cylinders located along the horizontal centerline between the present results and that of Nek5000 CFD solver (Re = 100, Pr = 0.7, ro/H = 0.2) Isothermal Hot Cylinder- Adiabatic Cylinder Ri Present* Nek5000+ %Relative Error 0.01 10.1 9.79 3.1 1 10.3 9.81 4.8 10 11.15 10.72 3.9 Results and Discussion Figure 2 shows the effect of the presence of the circular cylinders in the lid-driven cavity for various Richardson numbers and different thermal boundary conditions of the cylinders.
The Re number, Pr and ro/H were kept constant at 100, 0.7 and 0.2, respectively for these simulations.

By the Theory of Wind Turbine Design [6-7] and the CFD, X-foil numerical simulation analysis, the horizontal turbine was optimized, and its final basic structural parameters were listed in Table 1.
The Darrieus wind turbine: Proposal for a new performance prediction model based on CFD[J].

CFD Modeling Based on the columnar gap flow of immersion liquid, the three-dimensional computational fluid dynamics (CFD) model is established to predict the liquid renovation and normal stress on lens for wafer scanning, shown in Fig. 2.
Then the simulation is conducted by the software Fluent 6.3 with three-dimensional, pressure-based, steady flow and standard k-ε model, and the key parameters used in the models are listed in Table 1 Table 1.

Many simulations and experiments have been implemented to elucidate the wake characteristic behind a pair of bluff bodies.
The purpose of this paper is to study the flow over two unequal circular cylinders in tandem arrangement by CFD simulations.
In section 2, numerical method for the 2D flow over stationary body simulation is described, including the governing equations and physical model.
Results for the simulation of flow over a static cylinder at Reynolds number 100 showed that the present algorithm is suitable for this work.
[5] Zhao, M., et al., Numerical simulation of viscous flow past two circular cylinders of different diameters.

The main research method was the numerical simulation of three dimensional.
Krutka et al[12,13] first made study on air flow field in MB with dual slots by CFD, and acquired the velocity contour and vector diagram.
In the following, this characteristic was exhibited through numerical simulation method.
Numerical Simulation HS die[12] was selected in this work.
Conclusions Through numerical simulation method, three dimensional air flow field was obtained in MB with dual slot jets.

Numerical simulation was applied to study the inclusion behavior in the rotational flow tundish for the industrial production of steel.
Therefore, in the present study, numerical simulation was carried out to investigate the inclusion behavior in the rotational flow tundish.
Schematic view of the rotational flow tundish Simulation of rotational flow The Navier-Stokes equations together with standard K-εturbulence model were solved to obtain a steady state velocity field inside the tundish.
Solution Procedure The CFD software CFX was employed to solve the continuity, momentum, and turbulence equations.
Inclusion removal under different conditions obtained by the random walk model Conclusions Numerical simulation has been carried out to study the inclusion behavior in the rotational flow tundish for the industrial production of steel.

In this paper, numerical simulation of fluid flow in Forward Facing Step (FFS) configuration was performed to investigate velocity profile after the step.
The velocity profile analysis was conducted Computational Fluid Dynamics (CFD) software.
Methodology Intially, the grid independence test was performed before the simulation process [7].
Reynolds(Re) number employed for this simulation was 100 whilethe step heights, hused were 1µm and 3µm.
Diyana and Tijjani Adam,“Numerical Simulation of Microfluidic Devices,” IEEE-ICSE2012 Proc., 2012 [4] XiangdongXue, Mayur K.