Computational Fluid Dynamics: FLUENT - ME-Áramlás- és ... · PDF fileGeneral Steps in Fluent! Mesh generation is already performed ... Moving zones! Moving mesh! 7 Models in...
Post on 21-Mar-2018
231 Views
Preview:
Transcript
1
Otto-von-Guericke-Univ. Magdeburg!
Computational Fluid Dynamics: FLUENT!
May 14, 2012!
2
Tools in Fluent! Simulationsdefinition!
Physics! Material settings! Boundary conditions!
Solver parameter …! Flow solver!
Computation (Start/Stop)! Convergence …!
3
Tools in Fluent! Analysis!
Vizualization! Animation! Computation!
Export/Import ! …!
4
General Steps in Fluent! Mesh generation is already performed (Gambit)!
Settings of the Simulation in Fluent! Reading the grid ! Settings for the Flow!
Definition of the boundary conditions! Choosing models (for example: turbulence)!
Setting of the Solver-Parameter! …!
5
General Steps in Fluent! Flow-simulation!
Serial (or parallel) Simulation ! Solver-Monitor! …!
Post-Processing! Contourplot!
X-Y Plot! Computation (Integral of a surface) …!
6
Models in Fluent! Flow and heat transfer!
Momentum continuity and energy equation! Radiation!
Turbulence !
Combustion! Moving Grid!
Moving zones! Moving mesh!
7
Models in Fluent! Multiphaseflows!
Diskrete-Phasen-Model! Volume of Fluid (VOF)! Mixture-Modell!
Eulerian-Eulerian und Eulerian-Granular-Model! Liquid/Solid and Cavitation-models!
User defined scalar transport!
8
Start Fluent! fluent 2d!
FLUENT with a 2D-Solver (without double precision)!
fluent 2ddp!FLUENT with a 2D-Solver (with double precision)!
fluent 3d!FLUENT with a 3D-Solver (without double precision)!
fluent 3ddp!FLUENT with a 3D-Solver (with double precision)!
9
Fluent-Window!
10
File-Menu!
11
Read Grid!
12
Import Grid!
13
Hardcopy!
14
Grid-Menu!
15
Scaling Grid!
16
Define-Menu!
17
Define-Menu: Solver!
18
Define-Menu: Multiphase-flow!
19
Define-Menu: Energy!
20
Define-Menu: Viscosity-model!
21
Turbulent flows! One-equation model!
Spalart-Allmaras-Model! Two-equations model!
Standard k-ε-Model!
RNG k-ε-Model! Realizable k-ε-Model!
Standard k-ω-Model! Shear-Stress Transport SST k-ω-Model!
22
Turbulent flows! Reynolds-Stress-Modell (RSM)!
Detached Eddy Simulation (DES) ! LES = Large Eddy Simulation!
23
Define-Menu: Species!
24
Define-Menu: Materials!
25
Define-Menu: Operating Conditions!
26
Define-Menu: Cell condition!
27
Define-Menu: Boundary condition!
28
Define-Menu: Boundary condition!
29
Define-Menu: Units!
30
Define-Menu: User-defined Functions!
31
Solve-Menu!
32
Discretization!
33
Initialization!
34
Solve-Menu: Residuals!
10-3!
10-6!
35
Solve-Menu: Iteration!
steady!
unsteady!
36
Display-Menu!
37
Display-Menu: Countour-plot!
38
XY-Plot!
39
Report-Menu!
40
Report-Menu: Surface-integral!
41
End!
May 14, 2012!
top related