Název: Identification of material properties of sandwich structure with piezoelectric patches
Autoři: Zemčík, Robert
Sadílek, Petr
Citace zdrojového dokumentu: Applied and Computational Mechanics. 2008, vol. 2, no. 1, p. 199-206.
Datum vydání: 2008
Nakladatel: University of West Bohemia
Typ dokumentu: article
článek
URI: http://www.kme.zcu.cz/acm/old_acm/full_papers/acm_vol2no1_p020.pdf
http://hdl.handle.net/11025/1760
ISSN: 1802-680X (Print)
2336-1182 (Online)
Klíčová slova: kompozitní materiály;vlastnosti;materiálové inženýrství;metoda konečných prvků;piezoelektrické materiály;výpočetní metody ve fyzice
Klíčová slova v dalším jazyce: composition materials;properties;material engineering;finite element method;piezoelectric materials;computational methods in physics
Abstrakt: The work focuses on light-weight sandwich structures made of carbon-epoxy skins and foam core which have unique bending stiffness compared to conventional materials. The skins are manufactured by vacuum autoclave technology from unidirectional prepregs and the sandwich is then glued together. The resulting material properties of the structure usually differ from those provided by manufacturer or even those obtained from experimental tests on separatematerials, which makes computationalmodels unreliable. Therefore, the properties are identified using the combination of experimental analysis of the sandwich with attached piezoelectric transducer and corresponding static and modal finite element analyses. Simple mathematical optimization with repetitive finite element solution is used. The model is then verified by transient analysis when the piezoelectric patch is excited by harmonic signals covering the first two eigen-frequencies and the induced oscillations are measured by laser sensor.
Práva: © 2008 University of West Bohemia. All rights reserved.
Vyskytuje se v kolekcích:Volume 2, number 1 (2008)
Články / Articles (KME)
Volume 2, number 1 (2008)

Soubory připojené k záznamu:
Soubor Popis VelikostFormát 
acm_vol2no1_p020.pdf493,04 kBAdobe PDFZobrazit/otevřít


Použijte tento identifikátor k citaci nebo jako odkaz na tento záznam: http://hdl.handle.net/11025/1760

Všechny záznamy v DSpace jsou chráněny autorskými právy, všechna práva vyhrazena.