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A channel flow simulation was done using Converge CFD Software for three different mesh sizes: 2e-4m, 1.5e-4m and 1.2e-4m respectively. The steps involved in setting up the case are mentioned below. Case Setup 1) A geometry for the channel is created 2) The necessary boundary conditions are defined. 3)The necessary steps…
Mohammad Anas Imam Khan
updated on 25 Jun 2019
A channel flow simulation was done using Converge CFD Software for three different mesh sizes:
2e-4m, 1.5e-4m and 1.2e-4m respectively. The steps involved in setting up the case are mentioned below.
Case Setup
1) A geometry for the channel is created
2) The necessary boundary conditions are defined.
3)The necessary steps are then followed in setting up the case where materials, simulation parameters, initial conditions, physical models etc are all specified.
4) Base gride sizes are also specified
Running the Solver and Post-Processing
1) After setting up the case the input files are exported to a designated location.
2) Using Cygwin we then run the simulation
3) After the simulation runs successfully, we then post-process the results using Para-View.
Base Grid Mesh Size: 2e-4m
The velocity of the flow is plotted. We see that because of wall shear stress, the velocity profile starts developing a parabolic profile.
This plot shows the velocity vector (arrows)
Base Grid Mesh Size:1.5e-4m
We see a finer mesh due to the refinement.
The velocity magnitude plot starts to smoothen out.
Base Grid Size:1.2e-4m
An even finer mesh is now obtained
Velocity Magnitude
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