cosmos floworks wind tunnel simulation me143 fall 2006 j. cho b. wilson
TRANSCRIPT
![Page 1: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/1.jpg)
COSMOS FloWorks Wind Tunnel Simulation
ME143 Fall 2006
J. Cho
B. Wilson
![Page 2: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/2.jpg)
COSMOS FloWorks Tutorial
• Build a part– Car Body– Wing Shape– Entire Aircraft
• Select Simulation Parameters– Fluid– Fluid Velocity
• Run Simulation• View Results
![Page 3: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/3.jpg)
COSMOS FloWorks Tutorial
• Draw a part in SolidWorks
![Page 4: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/4.jpg)
COSMOS FloWorks Tutorial
• Execute FloWorks Add-In– Tools > Add-Ins
![Page 5: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/5.jpg)
COSMOS FloWorks Tutorial
• Start New Simulation– FloWorks > Project > Wizard
![Page 6: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/6.jpg)
COSMOS FloWorks Tutorial
• Set Simulation Units System
![Page 7: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/7.jpg)
COSMOS FloWorks Tutorial
• Choose Flow Type– Internal: Pipes, Ducts, etc…– External: Flow over surfaces
![Page 8: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/8.jpg)
COSMOS FloWorks Tutorial
• Choose Fluid
![Page 9: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/9.jpg)
COSMOS FloWorks Tutorial
• Set Surface Conditions
![Page 10: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/10.jpg)
COSMOS FloWorks Tutorial
• Set Initial Conditions– Flow Velocity and Direction– Initial Pressure and Temperature
![Page 11: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/11.jpg)
COSMOS FloWorks Tutorial
• Set Simulation Accuracy– More Accuracy = More Simulation Time
![Page 12: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/12.jpg)
COSMOS FloWorks Tutorial
• Size the Computational Domain– FloWorks > Computational Domain
![Page 13: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/13.jpg)
COSMOS FloWorks Tutorial
• Run Solver– FloWorks > Solver > Run
![Page 14: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/14.jpg)
COSMOS FloWorks Tutorial
• Wait for Solution to be Computed– Depending on geometry and accuracy, simulation
time can be several hours
![Page 15: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/15.jpg)
COSMOS FloWorks Tutorial
• Solver Window– Completed Simulation
![Page 16: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/16.jpg)
COSMOS FloWorks Tutorial
• Insert Flow Trajectories– Results > Flow Trajectories > Insert– Export Images and Video
![Page 17: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/17.jpg)
COSMOS FloWorks Tutorial
• Results Image
![Page 18: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/18.jpg)
COSMOS FloWorks Tutorial
• Results Animation• Click image to Animate
![Page 19: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/19.jpg)
Wind Tunnel Comparisons
• Air Foil– Horizontal– Inclined 20 degrees
• 1969 Chevrolet Camaro– 30 mph– 60 mph
![Page 20: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/20.jpg)
Wind Tunnel Comparisons
• Airfoil Image (Horizontal Position)
![Page 21: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/21.jpg)
Wind Tunnel Comparisons
• Airfoil Animation (Horizontal Position)• Click image to Animate
![Page 22: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/22.jpg)
Wind Tunnel Comparisons
• Airfoil Results (Horizontal Position)– Low pressure zone on top of foil produces lift.– Laminar air flow over entire profile.
![Page 23: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/23.jpg)
Wind Tunnel Comparisons
• Airfoil Image (20° Incline)
![Page 24: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/24.jpg)
Wind Tunnel Comparisons
• Airfoil Animation (20° Incline)• Click image to Animate
![Page 25: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/25.jpg)
Wind Tunnel Results
• Airfoil Results (20° Incline)– 20° incline increases surface area.
• More pressure is developed at bottom of airfoil, producing higher lift capabilities for take offs and in-flight maneuverability.
![Page 26: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/26.jpg)
Wind Tunnel Comparisons
• 1969 Chevrolet Camaro (30mph)
![Page 27: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/27.jpg)
Wind Tunnel Comparisons
• 1969 Chevrolet Camaro (30mph)• Click image to Animate
![Page 28: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/28.jpg)
Wind Tunnel Comparisons
• 1969 Chevrolet Camaro (60mph)
![Page 29: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/29.jpg)
Wind Tunnel Comparisons
• 1969 Chevrolet Camaro (60mph)• Click image to Animate
![Page 30: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/30.jpg)
Wind Tunnel Results
• 1969 Chevrolet Camaro Results
• Front vehicle geometry (front spoiler)– Improves aerodynamics
• Rear spoiler provides a downward force– Keeps vehicle on ground at high speeds
![Page 31: COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson](https://reader030.vdocument.in/reader030/viewer/2022032706/56649e895503460f94b8e8bf/html5/thumbnails/31.jpg)
Conclusion
• Cosmos FloWorks– All simulation data is exportable in Excel
format or preformatted “Word” documents.– Flow profile are easily examined for
turbulence.– Multicolored pressure lines easily display
pressure differentials.– All fluid properties and flow parameters are
adjustable.• Fluid information is included in program.