View Source

Author: Rajesh Bhaskaran & Yong Sheng Khoo, Cornell University

Problem Specification
1. Create Geometry in GAMBIT
2. Mesh Geometry in GAMBIT
3. Specify Boundary Types in GAMBIT
4. Set Up Problem in FLUENT
5. Solve!
6. Analyze Results
7. Validate the Results

Step 6: Analyze Results

Display Pressure Contours

Main Menu > Display > Contours
SimCafe > FLUENT - Unsteady Flow Past a Cylinder - Step 6 > pressure contour menu.jpg

Under Contours of, choose Pressure.. and Static Pressure. Select the Filled option. Increase the number of contour levels plotted: set Levels to 40. Click Display.

SimCafe > FLUENT - Unsteady Flow Past a Cylinder - Step 6 > pressure contour plot_sm.jpg

https://confluence.cornell.edu/download/attachments/107011458/pressure%20contour%20plot.jpg

The contour shows a clear asymmetric pattern in the flow.

Display Contour of Vorticity Magnitude

Main Menu > Display > Contours

SimCafe > FLUENT - Unsteady Flow Past a Cylinder - Step 6 > velocity magnitude contour menu.jpg

Under Contours of, choose Velocity.. and Vorticity Magnitude. Disable Auto Range and Clip to Range from the Options group box. Enter 0.0001 and 2 for Min and Max, respectively. Select Levels to 50. Click Display.

SimCafe > FLUENT - Unsteady Flow Past a Cylinder - Step 6 > velocity magnitude contour plot_sm.jpg

https://confluence.cornell.edu/download/attachments/107011458/velocity%20magnitude%20contour%20plot.jpg

This figure shows clear vortex shedding process. Zoom in the view around cylinder.

Go to Step 7: Validate the Results

See and rate the complete Learning Module

Go to all FLUENT Learning Modules