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Multidisciplinary Optimization Branch Experience Using Isight Software
AUTHOR | Nasa, National Aeronautics and Space Adm |
PUBLISHER | Independently Published (09/25/2018) |
PRODUCT TYPE | Paperback (Paperback) |
Description
The Multidisciplinary Optimization (MDO) Branch at NASA Langley is investigating frameworks for supporting multidisciplinary analysis and optimization research. A framework provides software and system services to integrate computational tasks and allows the researcher to concentrate more on the application and less on the programming details. A framework also provides a common working environment and a full range of optimization tools, and so increases the productivity of multidisciplinary research teams. Finally, a framework enables staff members to develop applications for use by disciplinary experts in other organizations. This year, the MDO Branch has gained experience with the iSIGHT framework. This paper describes experiences with four aerospace applications, including: (1) reusable launch vehicle sizing, (2) aerospike nozzle design, (3) low-noise rotorcraft trajectories, and (4) acoustic liner design. Brief overviews of each problem are provided, including the number and type of disciplinary codes and computation time estimates. In addition, the optimization methods, objective functions, design variables, and constraints are described for each problem. For each case, discussions on the advantages and disadvantages of using the iSIGHT framework are provided as well as notes on the ease of use of various advanced features and suggestions for areas of improvement. Padula, S. L. and Korte, J. J. and Dunn, H. J. and Salas, A. O. Langley Research Center NASA/TM-1999-209714, NAS 1.15:209714, L-17914
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Product Format
Product Details
ISBN-13:
9781724035929
ISBN-10:
1724035924
Binding:
Paperback or Softback (Trade Paperback (Us))
Content Language:
English
More Product Details
Page Count:
34
Carton Quantity:
120
Product Dimensions:
8.50 x 0.07 x 11.00 inches
Weight:
0.23 pound(s)
Country of Origin:
US
Subject Information
BISAC Categories
Science | Space Science - General
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publisher marketing
The Multidisciplinary Optimization (MDO) Branch at NASA Langley is investigating frameworks for supporting multidisciplinary analysis and optimization research. A framework provides software and system services to integrate computational tasks and allows the researcher to concentrate more on the application and less on the programming details. A framework also provides a common working environment and a full range of optimization tools, and so increases the productivity of multidisciplinary research teams. Finally, a framework enables staff members to develop applications for use by disciplinary experts in other organizations. This year, the MDO Branch has gained experience with the iSIGHT framework. This paper describes experiences with four aerospace applications, including: (1) reusable launch vehicle sizing, (2) aerospike nozzle design, (3) low-noise rotorcraft trajectories, and (4) acoustic liner design. Brief overviews of each problem are provided, including the number and type of disciplinary codes and computation time estimates. In addition, the optimization methods, objective functions, design variables, and constraints are described for each problem. For each case, discussions on the advantages and disadvantages of using the iSIGHT framework are provided as well as notes on the ease of use of various advanced features and suggestions for areas of improvement. Padula, S. L. and Korte, J. J. and Dunn, H. J. and Salas, A. O. Langley Research Center NASA/TM-1999-209714, NAS 1.15:209714, L-17914
Show More