Kyle Donahue 1/24/2008 Trajectory Analyst, CAD Weather and Wind Model

1. Kyle Donahue1/24/2008Trajectory Analyst, CADWeather and Wind Model AAE 450 Spring 2008

2. Wind Model Based on wind profile provided by B. A. Appleby • Assumptions: • Linear Constant wind • Random Gusts • Impulse Wind Gust • Wind is 2-D AAE 450 Spring 2008 Trajectory Optimization

3. Force of the Wind • Future Work: • Converting force • of wind into drag • Weather cocking AAE 450 Spring 2008 Trajectory Optimization

4. Backup Slides – References • Appleby B. A., T. E. Reed, “Dynamic Stability of Space Vehicles” General Dynamics Corporation, San Diego, CA, Nov. 1967. http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19680001621_1968001621.pdf • Fleming, Eric L., Sushil Chandra, Mark R. Shoeberl, John J. Barnett, “Monthly Mean Global Climatology of Temperature, Wind, Geopotential Height, and Pressure for 0-120 km”, NASA Technical Memorandum 100697, NASA, Feb. 1988 http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19880013119_1988013119.pdf • Panel on Meteorological support for Space Operations Board, “Meteorological Support for Space Operations: Review and Recommendations”, National Academy Press, Washington, D.C. 1988 AAE 450 Spring 2008 Trajectory Optimization

5. Backup Slides – Gust and Force AAE 450 Spring 2008 Trajectory Optimization

6. Backup Slides – Gust and Height AAE 450 Spring 2008 Trajectory Optimization

7. New EOMs b(phi): b(theta): b(r): AAE 450 Spring 2008