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This article first gets the hydrodynamic parameters with CFD and then builds the equations of motion, and the system simulation test was carried out with Matlab and Adams.
The simulation lays a foundation for the development of engineering prototype.
The platform of the moving turbine Numerical simulation of hydrodynamic parameters The hydrodynamic parameters of the system are obtained from CFD.
Fig.6 Mathematical model of the cable with Adams Simulation and test of the system The aim of the simulation is to get the system features, in order to verify and optimize the design.
The following below is a system-level multidisciplinary collaborative simulation schematic.

Detailed simulations have been developed for a full year of performance using a commercial finite volume computational fluid dynamics (CFD) code (©ANSYS-CFX).
Errors in outlet fluid temperature and surface borehole temperature have been estimated for the whole year of simulation.
Two heat exchangers with 25 m and 100 m depth have been simulated in detailed in transient regime by using a commercial finite volume CFD code (©ANSYS-CFX).
The use of a CFD modelling avoids the additional error introduced by the use of convection correlations.
A review of ground coupled heat pump models used in whole-building computer simulation programs.

The hypersonic intake designed for Mach 5 is validated with CFD results and compared with analytical results using python code.
To enhance the accuracy of simulations second-order discretization and grid adaptive technique is proposed by Sandeep et al [6].
The main objective of the present paper is to develop a detailed design procedure for Scramjet intake based on the factors discussed for various operating conditions and the design is to be verified by CFD simulations.
Fig. 8: Effect of Mach number on Cowl length and isolator height CFD Analysis Results and Discussions CFD Analysis is carried out by designing and structured the mesh of intake geometry in ANSYS ICEM CFD.
The double ramp hypersonic intake design has satisfied all the requirements and validated with CFD results.

The results of the simulation are shown in Fig. 3.
According to that, CFD (Computational Fluid Dynamics) simulation programs were used to map the material flow and subsequent form filling optimisation [5].
Temperature in °C Fig. 3: Thermal design of the forming tool using FEM simulation (left).
Fluidic design of the forming tool for an artificial hip joint, using CFD simulation (right) Material constants are used to allow for the material-specific, fluid dynamic properties in the semi-solid state.
Figure 3 (right) shows the form filling of the artificial hip joint, calculated by CFD simulation (blank part geometry: D=40mm x H=50mm, blank part temperature: JR=1630°C, tool temperature: Jtool=600°C to ~650°C ram speed: 400 mm/s) and the dynamic viscosity characteristic in [Pa∙s] for a TiAl6V4 alloy.

Subsequently, CFD simulations of these gaits were carried out and used to define the repertoire of motions that bio-robotic fins be able to perform.
Comprehensive studies have been carried out to assess the effect of the grid resolution and domain size on the salient features of the flow and also to demonstrate the accuracy of the selected grid for the "complete motion" (CFD simulation of experimentally extracted fin kinematics) [3].
In these simulations, the Strouhal number is kept constant at the nominal value of 0.54.
Fig. 6 shows vortex structures for this set of simulations at the end of fin-beat cycle.
Although the modes interact nonlinearly to produce the thrust, the CFD simulation showed that Mode-1, which is a cupping and sweep motion, was able to produce positive thrust throughout the fin beat without being combined with any other modes.

Fig.7 Model of exterior environment simulation room 3.2 Working Condition and Boundary Conditions of CFD The running process of exterior environment simulation room in the rated conditions was simulated.
The boundary conditions of CFD was shown in Table 2.
Table.2 Boundary conditions of CFD Name Type Velocity (m3/h) temperature(k) New air inlet Velocity-inlet 1.875 298 Exhaust fan Velocity-inlet -2.98 323 Inlet of model Velocity-inlet 3.125 323 Outlet of model Outflow - - 3.3 Results of CFD In the CFD, the current condition was convergenced when all the absolute criteria was less than 10-5, import and export flow error was less than 10-8.
The results of CFD was same with the theoretical principle.
(2) Through simulation of exterior environment simulation room, the removable exterior environment simulation room can meet requirements of the test

Simulation results have shown that the sand erosion rate on pressure side is more than on the suction side of the blade.
Unsteady numerical simulations, based on the two-phase homogeneous model, are performed together with wall pressure measurements and flow visualizations.
OpenFOAM is an object-oriented C++ library of classes and routines of use for writing CFD codes.
It has a set of basic features similar to any commercial CFD solver, such as turbulence models and discretization schemes.
Numerical simulation of turbidity current flow and sedimentation: I.

The momentums of the particle size distribution are evaluated using the local flow conditions as obtained from CFD simulations for the processes considered.
The main advantage of this approach is that analytical expressions (including probabilistic parameters) for the characteristic magnitudes could be derived, leading to successful simulations through common and rather simple CFD techniques.
Note that u can be obtained from the CFD flow calculations.
Simulations The flowchart of the simulation algorithm is shown in Figure 1.
The size of the digitized domains is 102×102×102 and the length of the simulation box is ten times the sphere radius.

The Simulation Application for the Structure Design of the Etcher Nozzle Lin Sheng China JiLiang University HangZhou, P.R.China lins@cjlu.edu.cn Keywords: Etcher; Nozzle; Structure; Simulation; Flow Field Abstract.
This paper studied the etcher nozzle structure in detail by using the flow simulation technology to analyze how to get uniform follow field on the surface of the etching wafer, and then this paper determined the structure parameters of the etcher nozzle. 1.
This paper adopted the software CFD－ACE to study the etcher nozzle structure in detail so that to offer the theoretical basis to get the structure parameters of the etcher nozzle by using the simulation method. 2.
Navier－Stokes equation: Here, -----Density; ----- Velocity; u,v,w-----Velocity component; p-----Pressure; ----- Dynamic viscosity; （i＝x，y，z）-----Source term for all directions. 2.2 The simulation process Ø Modeling（Solidworks） Ø Model meshing（ICEM） Ø Simulation computation（CFD－ACE） Ø After-treatment process simulation（CFD－VIEW） Ø Data analysis and treatment The detailed flow as follow: Start ICEM makes the meshing document Set parameters, ACE+ computation Divergence?
Treatment, analysis Over Y Y 3 Simulation result and analysis 3.1 Test condition Under no change of other terms, the flow field changing in the reaction chamber was studied for different nozzle structures, and the nozzle structure parameters were set finally.

The present study aims to analyze a new type PHE—double chevron-type PHE with 3D CFD mode from their heat transfer characteristics and resistance characteristics, as well as their internal flow field and temperature field. 2 Simulation Preprocessing, the primary step of the CFD simulation was done by ICEM CFD13.0.
The final step in CFD, the post-processing was carried out to refine the simulation data for visualizing the vector plots, contour plots and particle tracking.
The simulation was solved using RNG k–e turbulence model.
The simulations were carried in a Pentium 8 work station with 12 GB RAM.
Each simulation took approximately 37 h to converge with a criterion of 1×10-5.