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Verification & Validation
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Original Mesh
Refined Mesh
The most striking difference between the two results is the thickness of the shock. Notice that for the refined mesh, the shock is less thick that for the original mesh. This shows that the refined mesh is converging towards the real case.
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In order to verify our simulation, we need to compare our results to either an analytical solution or an experiment. Below is a table comparing the values from the simulation with the calculations from the pre-analysis.
| Mach Number | Static Pressure (atm) | Shock Angle (degrees) |
|---|---|---|---|
Theory Value | 2.254 | 2.824 | 32.22 |
FLUENT Solution | 2.243 | 2.803 | 34.99 |
Percent Difference | 0.8% | 0.7% | 8.2% |
As we can see from the table, we are getting fairly good matching between the computation and analytical approaches. From this we can build our trust in our simulation.
Save Project
Save the project using File > Save. Copy wedge.wbpj and the associated wedge_files folder to a flash drive. You will need both entities to resume the project.
Alternately, you can select File > Archive and save the project as one file called wege.wbpz. You will then need to save only this file. This is also convenient to e-mail the project. Double-clicking on the wedge.wbpz file will resume the project.