Abstract
Multidisciplinary design optimization approaches have significant effects on aerospace vehicle design methodology. In designing next generation of space launch systems, MDO processes will face new and greater challenges. This study develops a system sensitivity analysis method to optimize multidisciplinary design of a two-stage small solid propellant launch vehicle. Suitable design variables, technological, and functional constraints are considered. Appropriate combinations of disciplines such as propulsion, weight, geometry, and trajectory simulation are used. A generalized sensitivity equation is developed and solved. These results are basis for optimization. Comparison of the developed approach with gradient optimization methods reveals that developed approach requires less computation time.
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Jodei, J., Ebrahimi, M. & Roshanian, J. Multidisciplinary design optimization of a small solid propellant launch vehicle using system sensitivity analysis. Struct Multidisc Optim 38, 93–100 (2009). https://doi.org/10.1007/s00158-008-0260-5
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DOI: https://doi.org/10.1007/s00158-008-0260-5