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Computer Simulation Verification Flow Simulation is a software fully integrated in SolidWorks for computing fluid (gas or liquid) flows inside and outside SolidWorks models, as well as heat transfer to (from, between, in) these models due to convection, radiation, and conduction with a proved computational fluid dynamics (CFD) technology.
Fig. 2 shows the information revealed in the solver of the simulation.
Fig. 4 The flow trajectory plot of the simulation.
Fig. 5 The contour plot of pressure distribution in the simulation.
Fig. 6 The vector plot of pressure distribution in the simulation.

Simulation and optimization of turbine blade Shape modification Fang He Xinyu College of Mechanical Engineering 2666 Sunshine Avenue ,high tech Zone of Xinyu,Jiangxi 338004 , People’s Republic of China 514149150@qq.com Keywords:hydroturbine;runner;leaf blade shape modification;CFX;Simulation optimization Abstract:Thickness thinning repair analog simulated using fluid mechanics research tool ANSYS-CFX of mixed-flow turbine runner blade，Through the three-dimensional flow and numerical calculation and analysis of energy distribution on the blade after featheredging.
Introduction This paper used fluid mechanics research tool ANSYS-CFX to cut mixed-flow turbine runner blade thickness thinning for analog simulation.
The mainly is carries on the blade thickness thinning and analysis blade energy or speed. 2 The results of calculation and analysis of numerical simulation of turbine blades In the optimization scheme have been determined, the main numerical on runner blade from the following aspects: the simulated blade speed, blade pressure energy , kinetic energy and total energy.
Finally, the runner blade is thin 0.5cm can obtain numerical performance is relatively good simulation results. 2.1 Analysis and simulation results of velocity distribution From the velocity distribution figure 1 and figure 2, The relative speed of the blade surface in the import side is relatively low, to the outlet side of blade ,especially close to the lower ring, The velocity of the fluid change is relatively large, velocity Uniform distribution,Near the top of blade,The fluid velocity flow better.The working surface of blade inlet flow better, no flow separation, vortex phenomenon; the inlet velocity near the blade ring surface is better; in the back of the blade, no obvious flow separation, transverse flow, inverse flow ,secondary flow, flow in good condition, only near the imported 1/6 around the lower ring ,there is a low zone of velocity .the overall flow condition is good, and the design point is consistent, that leaf thickness thinning 0.5cm it is quite reasonable.
References [1] Chun mei Liu: Analysis of the internal flow in Francis turbine runner CFD [D] XiHua University.2006 [2] Wu xiaojing,liu shuhong,wu yulin.Helicity Application on Analyzing Vortex Rope in Draft tube [C] IAHR Symposiun,Yokohama,2006 [3] Thomas Vekve .The influence of the pressure gradient on draft tube flow at part load operation[C] IAHR Symposium,Stockholm-Sweden,2004

Firstly, Computational Fluid Dynamic (CFD) method which is based on solving the three-dimensional compressible Navier-Stokes (N-S) equations is employed to perform aerodynamic heating analysis.
Firstly, based on the structural model and aerodynamic model, a CFD-based aerodynamic heating calculation is carried out, from which we can get surface thermal fluxes that will be the input of the next step; Secondly, transient heat conduction analysis follows, in which thermal characteristics of materials are taken into account; Thirdly, based on the temperature field of structure, structural thermal analysis is performed, in which the thermal characteristics of materials like elastic modulus and thermal expansion coefficient is also considered; Finally, based on the new stiffness distribution obtained in the previous step, a structural dynamic analysis is carried out.
The aerodynamic heating model of CFD-based is shown in Fig.3.
In addition, the point-to-point multi-block structured grids are employed in the simulation, and the zero-order interpolation is adopted at the boundary.

Using the CFD--fluent6.2 simulation software simulates the airflow organization of the kitchen exhaust system if making up air .
Numerical Simulation Simulation hypothesis.
Numerical Simulation.
Simulation results and analysis.
Set of indoor kitchen lampblack concentration of numerical simulation.

Effect of the Soil Inclination on Natural Convection in Half-Elliptical Greenhouses Djedid Taloub1,2,a*, Abdelkarim Bouras1, Zied Driss3 1Department of Physics, Faculty of Sciences, University Mohamed Boudiaf of M’sila, M’sila, Algeria. 2Laboratory of Renewable Energy and Sustainable Development (LRESD), University brothers Mentouri Constantine 1, Algeria. 3Laboratory of Electromechanical Systems (LASEM), National School of Engineers of Sfax (ENIS), University of Sfax, Sfax, Tunisia aemail: djtaloub@univ-msila.dz Keywords: Heat transfer; half-elliptical; Natural convection; Laminar flow; Multicellular; CFD simulation Abstract.
The commercial CFD code Fluent 6.3 was utilized as a solver to investigate the natural convection heat transfer.
Results and Discussion In this paper we performed numerical simulations of natural convection in a closed semi-elliptic cavity characterized by the eccentricity (e = 0.7), which contains an incompressible fluid of kinematic viscosity ν and thermal diffusivity α, this cavity comprising a half-elliptical "ceiling" upper wall and the "floor" bottom wall, for different lower wall inclination angles δ, (δ = 0 °, δ = 1 °, δ = 3 °, δ = 5 °, δ = 7 °, δ = 9 °, δ = 10 °, δ = 15 °).

Development of CAD-to-CAE Model Preparation Technology Tetsuyuki Kubotaa, Peter Chowb Hayes Park Central, Hayes End Road, Hayes, Middlesex, UB4 8FE, United Kingdom Fujitsu Laboratories of Europe aTetsuyuki.Kubota@uk.fujitsu.com, bPeter.Chow@uk.fujitsu.com Keywords: CAE, CFD, CAD, HPC, Simplification, Numerical simulation Abstract.
Introduction Recently, numerical simulation technologies have been generalized to design and develop industrial products associated with the growth of simulation technologies and computational power.
The procedure of simulation is as follows. 1.Geometry Creation – creating geometric model in the spatial domain.
Analysis – use computer system to undertake simulation and analysis.
When bumps on solid body are small enough, influence from them is negligible to result of numerical simulation, especially fluid dynamics analysis.

WFDS can simulate fires in two or fully three-dimensional simulations, with no symmetry assumptions which three dimensional simulations require significantly more computational resources.
Conventional LES quantities are implicitly filtered in the simulation.
All thin vegetation in CFD code consumed by the fire.
A CFD code used to simulate vegetative combustion in the Wildland and WUI fire.
Numerical simulation and experiments of burning douglas fir trees.

Joshi and Lan [8] discussed the application of a FE method for pultrusion simulation.
It this context, to facilitate the simulation task, it has been used a CFD code (Computer Fluid Dynamics).
CFD codes are structured around algorithms that deal with flow fluids, heat transfer and chemical reactions.
And subsequently validate in laboratory the results of the new simulation.
[4] Lizandro, Simulation and optimization of pultrusion process.

Considering the factors above, a real-time simulation code was established for simulating.
The simulation results were compared with those of the experiment, and showed that the error was smaller than 20%.
The simulation results were compared and it was showed that the error was smaller than 10%.
The hydrodynamic characteristic of the amphibious vehicle was simulated by the numerical simulation method.
It was indicated that the method based on CFD was efficient to predict drag of amphibious vehicles [17].

Convergence criteria for different parameters is set at 0.00001. 2.5 CFD Solver Settings Pressure based CFD solver [16] is used because of the continuous flow being incompressible in nature.
The simulation was run for 1s of total time with the injection of particles done just for 0.2s which physically represents the actuation time of spray from pressurized inhaler [6].
These results are used for validation of the CFD model used in the present study.
Antunes, pMDI sprays: Theory, experiment and numerical simulation,” Adv.
Tu, CFD modeling of spray atomization for a nasal spray device, Aerosol Sci.