1. AAE 450 Spring 2008 Kyle Donahue 1/24/2008 Trajectory Analyst, CAD Weather and Wind Model

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

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

4. AAE 450 Spring 2008 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_1968001 621.pdf http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19680001621_1968001 621.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_1988013 119.pdf http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19880013119_1988013 119.pdf  Panel on Meteorological support for Space Operations Board, “Meteorological Support for Space Operations: Review and Recommendations”, National Academy Press, Washington, D.C. 1988 Trajectory Optimization

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

6. AAE 450 Spring 2008 Backup Slides – Gust and Height Trajectory Optimization Number Gusts = 19 Wind Direction-31.12 degSoutheast Gust Direction54.82 degNortheast Altitude of Gusts (m)Velocity of Gusts (m/s) 1 3575.633 2 22766.814 3 48654.045 4 49696.342 5 58984.1 6 68691.006 7 78897.224 8 93369.531 9 105505.679 10 114139.045 11 135168.978 12 159240.647 13 170651.559 14 175589.97 15 184813.013 16 206767.849 17 227163.43 18 275166.597 19 280209.35