Search results

In recent years, with the development of computer and mathematics technology, works are concentrated on CFD simulation[9].The computational methodology allowed a clear capturing of the coherent structures of the flow field and it is helpful in understanding of complicated phenomenon.
Compared with CFD simulation, one-dimensional theory is easier to establish the relationship between pressure with target value and related parameters and to see through the appearance to perceive the essence.

Hu has studied the temperature distribution of the battery pack using CFD (computational fluid dynamics), and recommended a new cooling strategy for the battery pack[11].
In this study, the steady simulations were carried out using a commercial CFD code – FLUENT.
The standard k-ε turbulence model was used for the simulation of convection, and 3 dimensional heat conduction was included.

Influence of the fins on the Static Stability of autonomous underwater vehicle Minglong Huang1, a, Yuhong Liu1, Hongwei Zhang1, Baosheng Duan2 1School of Mechanical Engineering, Tianjin University, Tianjin 300072, China 2China Oilfield Services Limited Stock Company, Tianjin 300451, China ahuangminglong21@163.com Keywords: Autonomous underwater vehicle; fins; static stability; numerical simulation Abstract: Fins, which are mounted at the rear of the underwater vehicles, have the action of stabilizing.
Phillips [6] derived the steady state hydrodynamic derivatives of an AUV by using CFD to replicate the yawed towing tank and rotating arm experiments.
Results obtained from the CFD method were in agreement with those from the experiments.

Flow characteristics and deficiency of air duct for original floor standing air-conditioner are analyzed, and the optimal schemes of air duct are raised and numerical simulation has been carried on to obtain aerodynamic characteristic of the new air duct.
In the present work, a numerical simulation of an air duct of floor standing air-conditioner is carried out to investigate the inner flow characteristics inside the air duct with the FLUENT commercial CFD code.
Numerical simulation of air duct system Fig. 1 shows the structure of original air duct of Floor Standing air-conditioner.
The results of numerical simulation indicate that volume flow rate of new air duct is promoted by 6.1%.
The numerical results agree well with the experimental results, which indicate the feasibility of the computational model and the numerical method used in the simulation.

ProCAST Introduction ProCAST software set the simulation using the finite element method, it can be used for heat transfer calculation (including thermal radiation and angular coefficient calculation), calculation of the flow filling process, the calculation of thermal coupling stress field, microstructure simulation and predictive simulation of modeling Shrinkage.
Its open architecture provides the widest range of CAD, CAE and CFD software interfaces, and supports user-defined mode, which can be seamlessly integrated with any environment simulation.
Technology Development of Numerical Simulation of Casting , J.
Casting Simulation Method, J.
Finite element simulation of metal casting, J.

., Taiyuan, China a gaoyuanlou@263.net, b llxbuaa@126.com, czjl1165@126.com Keywords: CFX, PVC, fluid simulation, the law of pressure and speed Abstract: When extrusion molding, the pressure fluctuations within the nose is the largest problem in the extruder production.
By CFX fluid simulation of flow field distribution in extruder based on PVC production, we obtain the law of pressure with the change of speed, which provide guidance for the control of press inside the extruder.
Simulation analysis We used Ansys CFX to simulate and analysis fluid in the extruder [2].
Simulation results are shown in Fig.1 and Fig.2.
The Computational Fluid Dynamics Analysis–CFD Software Application.

Computational fluid dynamics (CFD) was used, demonstrating that turbulence significantly enhances particle clustering in saturated suspensions.
Wu, Discrete Element Simulation of the Shear Behavior of Binary Mixtures Composed of Spherical and Cubic Particles.
Polojärvi, Breakage in Quasi-Static Discrete Element Simulations of Non-Spherical Particles-An Application to Ice Rubble.
Shapoval, Simulation modeling of an inhomogeneous medium, in particular: round, triangular, square shapes.
Veretennikova, Development of a 3d computer simulation model using C++ methods.

Numerical simulations were carried out using ANSYS Fluent software, which is based on the finite volume method (FVM).
The machine used for the simulations has an Intel Core i7-8700K processor with a frequency of 3.70 GHz and 32 GB of RAM.
So far, the accuracy of the computational model, equations solved in the CFD software, BC, and solution parameters were presented in this chapter.
The characteristics of the regular waves used in this numerical simulation are shown in Table 2.
The ability of the computational model developed in the CFD software ANSYS Fluent to generate and propagate regular waves in numerical channels is evident.

CFD simulation technology was applied to optimize the fluid field of the multi-stage centrifugal pump, and then the velocity, pressure fluctuation and fluid excitation were concerned to investigate the effect of optimization.
There are two methods, experiment [2] and numerical simulation [3], to study the unsteady pressure pulsation.

CFD based multiphase numerical analyses were carried out using a finite element based technique [7], where fluid flow was simulated by using the Navier Stokes equations
The numerical simulations were carried out at the operating and geometric conditions specified in Table 1.
Operating conditions used for the simulations.
Hearty, The Icing of anunheated, Non-rotating Cylinder, Part I: A Simulation Model, J.
[7] http://www.newmerical.com/index.php/products/fensap-ice-cfd-software/