Concurrent Subspace Complex Coordination Optimization Method for Structural Layout Synthetical Optimization Problem
Publication: Journal of Aerospace Engineering
Volume 36, Issue 5
Abstract
The shortcomings of the concurrent subspace collaborative optimization (CSCO) method for structural layout synthetical optimization problem have been analyzed in the current paper. Based on the complex method principle and the special form of structural layout synthetical optimization problem, a new system-level coordination strategy has been proposed to overcome these defects and improve the CSCO method. The computational stability of the CSCO method has been improved by this strategy. For the sake of distinction, the improved method is called the concurrent subspace complex coordination (CSCC) optimization method. Two examples, including a 25-bar truss structure and a composite stiffened panel structure, have been conducted to demonstrate the effectiveness and reliability of the CSCC optimization method.
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Data Availability Statement
Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request, such as the finite-element models of the two examples and corresponding TCL/Jython scripts.
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Published In
Journal of Aerospace Engineering
Volume 36 • Issue 5 • September 2023
Copyright
© 2023 American Society of Civil Engineers.
History
Received: Apr 14, 2022
Accepted: Mar 14, 2023
Published online: May 23, 2023
Published in print: Sep 1, 2023
Discussion open until: Oct 23, 2023
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