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Hartung, D. and Sickinger, C. and Herbeck, L. (2002) Homogenization And Test Of A Flat Hollow Body Structure. In: CD: Poceedings, European Conference on Spacecraft Structures, Materials & Mechanical Testing, pp. 1-10. ACTES. European Conference on Spacecraft Structures, Materials & Mechanical Testing, Toulouse,France, 11.-13.December 2002.
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Abstract
The Lightex structure is a non homogeneous thinwalled lightweight plate structure which combines different mechanical properties advantageously. For example it can be used for acoustic and thermal isolating also it is able to carry relatively high mechanical loads with respect to its weight. This structure is characterized by one periodic repetitive cubic cell. The aim of this publication is to present a simple homogenization method based on the finite element method. The equivalent stiffness energy of a characteristic cubic cell is computed with finite elements. Stiffness coefficients according to the Kirchhoff plate theory are determined by comparing this energy with the equivalent stiffness energy of a homogeneous plate. The results of this homogenization are stiffness coefficients which can be used to analyze the elastic behavior of thin Lightex plates in large structures.
| Item URL in elib: | https://elib.dlr.de/16715/ | ||||||||||||
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| Document Type: | Conference or Workshop Item (Paper) | ||||||||||||
| Additional Information: | LIDO-Berichtsjahr=2003, | ||||||||||||
| Title: | Homogenization And Test Of A Flat Hollow Body Structure. | ||||||||||||
| Authors: |
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| Date: | 2002 | ||||||||||||
| Journal or Publication Title: | CD: Poceedings, European Conference on Spacecraft Structures, Materials & Mechanical Testing | ||||||||||||
| Open Access: | No | ||||||||||||
| Gold Open Access: | No | ||||||||||||
| In SCOPUS: | No | ||||||||||||
| In ISI Web of Science: | No | ||||||||||||
| Page Range: | pp. 1-10 | ||||||||||||
| Editors: |
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| Publisher: | ACTES | ||||||||||||
| Series Name: | MECHANICAL ARCHITECTURE,DESIGN AND ENGINEERING | ||||||||||||
| Status: | Published | ||||||||||||
| Event Title: | European Conference on Spacecraft Structures, Materials & Mechanical Testing, Toulouse,France, 11.-13.December 2002 | ||||||||||||
| Organizer: | Centre de Congrès DIAGORA | ||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport (old) | ||||||||||||
| HGF - Program: | other | ||||||||||||
| HGF - Program Themes: | other | ||||||||||||
| DLR - Research area: | Aeronautics | ||||||||||||
| DLR - Program: | no assignment | ||||||||||||
| DLR - Research theme (Project): | UNSPECIFIED | ||||||||||||
| Location: | Braunschweig | ||||||||||||
| Institutes and Institutions: | Institute of Composite Structures and Adaptive Systems > Institut für Strukturmechanik | ||||||||||||
| Deposited By: | Wolff, Sibylle | ||||||||||||
| Deposited On: | 16 Sep 2005 | ||||||||||||
| Last Modified: | 14 Jan 2010 16:26 |
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