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CFD Numerical Simulation of Aeolian Vibration of Single Conductor Based on the ADINA Yingpei Xia1,a, Xiaoming Rui1,b, Lei Yang1,2,c, Dada Wang2,d, Junyu Liang2,e 1Mechanical engineering department, North China Electric Power University, Beijing, China 2Graduate Workstation of North China Electric Power University & Yunnan Power Grid Corporation, Kunming, China axyp_ncepu@163.com, brxm@ncepu.edu.cn, cyl8311222@163.com, ddadawang@vip.sina.com, eljy_1029@163.com Keywords: Single conductor, Aeolian vibration, ADINA, FSI, Numerical simulation.
In recent years, scholars did a lot of work on the Aeolian vibration problem using the CFD software, the results show that this method is relatively efficient and effective.
The Aeolian vibration simulation model of the transmission line Aeolian vibration of transmission line is a problem which involves electrical, mechanical, meteorology and air dynamics disciplines, and because of fluid-structure coupling and nonlinear characteristics, it is very difficult to solve this problem by CFD software only.
The accuracy of the simulation result and simulation time-consuming are directly affected by the accuracy fluid domain mesh.
CFD NUMERICAL SIMULATION OF FLOW-INDUCED VIBRATION WITH DIFFERENT CROSS-SECTION CYLINDER.

A GPU/CPU programming model for CFD simulation Cao Wei1, a, Wang Zheng-hua2,b and Xu Chuan-fu3,c 1School of Computer, National University of Defense Technology, Changsha 410073, China acaowei193@gmail.com, bzhhwang188@sina.com, c xuchuanfu@nudt.edu.cn Keywords: GPU; Heterogeneous computer; CUDA; OpenMP Abstract.
More and more researchers try to port the computational fluid dynamics (CFD) simulations into heterogeneous computers.
With this programming model, we implement a high-order CFD program on “Tianhe-1A” supercomputer system.
As such, researchers accelerated CFD applications in heterogeneous environment and achieved significant speedups.
In CFD solver, the solution is computed iteratively from the initial input data, until a stopping criterion is satisfied.

In this study, CFD simulation technology, simulation and analysis of spray flow field in an absorber of automotive absorption refrigerator is carried out to verify the effectiveness of packings.
In this study, CFD simulation for automotive air conditioning absorption cold source simulation is carried out, and the contrast of flow field and concentration distribution in packing-absorber with non-packing absorber lays the foundation for the key technical issues and its practical application of absorption cold source for automotives.
Three-dimensional model of the absorber was established and imported from Pro/Engineering software to CFD pre-treatment software.
Pressure-based transient-state and implicit scheme solver is used in the CFD software.
Results and Discussion CFD post-processing software is used for processing the numerical results.

2D CFD Analysis of Micro Arc-groove on the Surface of Tribopairs P.Y.
And then CFD is selected and accepted gradually to be a timely way to study complicated lubrication problems.
In addition, the "engine oil" and "steel" in CFD codes are defined as fluid and wall materials in calculation models, separately.
The surfaces throughout the simulations were assumed to be rigid.
Numerical simulation results and validation experiments are compared, and some conclusions of qualitative evaluation can be drawn to non-smooth application of lubrication problem.

In this study, simulations are performed on a centrifugal pump running in turbine mode using a commercial CFD software.
Euroflo centrifugal pump with back pull feature was selected for the CFD model.
The CFD analysis was set to compute in steady-state conditions.
Conclusion CFD simulations of an end suction centrifugal pump operating at a specific speed of 70 units have been described in this paper.
It can be concluded that the prediction of the PAT performance using CFD is viable.

However, there have been very few reports on prediction accuracy of CFD simulations about wind flow around buildings.
Furthermore, the effect of different calculation conditions (such as size of computational domain, grid resolution, boundary conditions and selection of turbulence model, etc.) on CFD simulations is not understood.
Using numerical CFD simulations have many advantages for optimizing wind tunnel experiments.
Blocken, G.J.F. van Heijst, CFD simulation of pollutant dispersion around isolated buildings: On the role of convective and turbulent mass fluxes in the prediction accuracy, J.
Yoshikawa, Cross Comparisons of CFD Prediction for Wind Environment at Pedestrian Level around Buildings.

This study presents a methodology to validate CFD simulations of the spray fuel injection using an experimental bench and optical measurement tools along with the Shadowgraph Technique.
As long as building prototypes or performing many experiments can generate undesirable costs, the numerical simulations using Computational Fluid Dynamics (CFD) come up as a convenient and effective solution.
The CFD droplet diameter distribution is presented in the Appendix.
The Fig. 10 illustrates the diameter distribution on the CFD simulation presented on this paper.
Rosin-Rammler diameter distribution of the CFD simulation Acknowledgment The authors are grateful to Fiat Chrysler Automobiles and Petrobras for the investments in the CTM-UFMG (Center of Mobility Technology - UFMG) that made this work possible.

The development of a CFD model, using finite volume modelling software Ansys Fluent TM, involves optimisation of simulation parameters to achieve accurate modelling of casting phenomena.
Results and Analysis Amush optimisation CFD simulations were made for one casting speed for different initial Amush conditions and mesh size 1×10-3 m.
Conclusions CFD simulations investigating solidification of OFCu, VUCC, 8 mm rod have been performed and Amush and cell size optimisation was performed with consideration of simulation time, equilibrium conditions and position of SF.
The simulation was compared with cast rod grain growth direction and highlighted qualitatively that the CFD model provided a prediction of the grain growth.
Thomas, CFD Modeling and Simulation in Materials Processing 2018.

Using CFD Method to Simulate Respiratory Aerosols Transportation in Ventilated Built Environment Guohui Feng 1, a Yi Zhang 1, b Xinying Lan 1, c 1 Shenyang Jianzhu University College of Municipal and Environmental Engineering Shenyang, China a fengguohui888@163.com, b sjzu_zy@163.com, c Lanxinying1977@sohu.com Keywords: respiratory aerosols, droplet nuclei, ventilation, CFD simulation Abstract.
Method Some keywords such as respiratory aerosols, ventilation, CFD simulation, airflow, airborne transportation, droplet, droplet nuclei and respiratory were performed limiting the search to title or abstract of papers on residential and non-industrial commercial building.
We cannot realize the simulation on the human model of casually walking.
The data such as the aerosols’ initial velocity, total mass and the number of droplet nuclei generally accessed from experiment in CFD simulation.
Particle model Generally, there are two approaches of modeling particle transport in computational fluid dynamics (CFD) simulations: the Lagrangian method and the Eulerian method.

The simulations were conducted using the ANSYS-FLUENT commercial CFD package.
Temperature measurement at different locations of the forged ingot surfaces were used to validate the transient numerical simulations.
References [1] Kang, Jinwu, and Yiming Rong., Modeling and simulation of load heating in heat treatment furnaces." 
[3] Mayr, B., et al., CFD analysis of a pusher type reheating furnace and the billet heating characteristic.
Hanjalić, Turbulent heat transfer from a multi-layered wall-mounted cube matrix: a large eddy simulation.