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Geier, B.*) and Zimmermann, R. (1994) Composite laminate stiffnesses and their sensitivities. In: ASME, Advances in Design Automation 1994., 2, pp. 237-246. The 1994 ASME Design Technocal Conference - 20th Design Automation Conf. Minneapolis, Minnesota, 11.-14.9. 1994..
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Abstract
The great number of possible stacking order to from laminates suggests to apply optimization, more frequently than usual, in the design of structures madeof composite materials. One of the columns upon which optimization of structures is built is the mathematical search procedures for locating a minimum ( or maximum ) of a constrained function. Efficient algorithms will require the evaluation of derivatives of the object function as well as of the constraints. In that context the sensitivities of laminate stiffness matrices may be required. In order to meet such a requirement the derivatives with respect to both ply thicknesses and ply angles, of laminate stiffnesses, including transverse shear stiffness, will be presented in this report.
| Item URL in elib: | https://elib.dlr.de/41918/ | |||||||||
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| Document Type: | Conference or Workshop Item (Paper) | |||||||||
| Additional Information: | institution=ASME, LIDO-Berichtsjahr=1994, | |||||||||
| Title: | Composite laminate stiffnesses and their sensitivities. | |||||||||
| Authors: |
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| Date: | 1994 | |||||||||
| Journal or Publication Title: | ASME, Advances in Design Automation 1994. | |||||||||
| Open Access: | No | |||||||||
| Gold Open Access: | No | |||||||||
| In SCOPUS: | No | |||||||||
| In ISI Web of Science: | No | |||||||||
| Volume: | 2 | |||||||||
| Page Range: | pp. 237-246 | |||||||||
| Series Name: | ASME, DE-Vol.69-2 | |||||||||
| Status: | Published | |||||||||
| Event Title: | The 1994 ASME Design Technocal Conference - 20th Design Automation Conf. Minneapolis, Minnesota, 11.-14.9. 1994. | |||||||||
| HGF - Research field: | UNSPECIFIED | |||||||||
| HGF - Program: | Aeronautics | |||||||||
| HGF - Program Themes: | other | |||||||||
| DLR - Research area: | UNSPECIFIED | |||||||||
| DLR - Program: | L ST - Starrflüglertechnologien | |||||||||
| DLR - Research theme (Project): | UNSPECIFIED | |||||||||
| Location: | Braunschweig | |||||||||
| Institutes and Institutions: | Institute of Composite Structures and Adaptive Systems > Institut für Strukturmechanik | |||||||||
| Deposited By: | DLR-Beauftragter, elib | |||||||||
| Deposited On: | 02 Apr 2006 | |||||||||
| Last Modified: | 27 Apr 2009 12:00 |
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