Název: Stress wave propagation in thin long-fiber carbon/epoxy composite panel: numerical and experimental solutions
Autoři: Kroupa, Tomáš
Červ, Jan
Valeš, František
Citace zdrojového dokumentu: Applied and Computational Mechanics. 2007, vol. 1, no. 1, p. 127-136.
Datum vydání: 2007
Nakladatel: University of West Bohemia
Typ dokumentu: article
článek
URI: http://www.kme.zcu.cz/acm/old_acm/full_papers/acm_vol1no1_p015.pdf
http://hdl.handle.net/11025/1817
ISSN: 1802-680X (Print)
2336-1182 (Online)
Klíčová slova: šíření rázových vln;numerická analýza;karbon;pryskyřice
Klíčová slova v dalším jazyce: stress wave propagation;numerical analysis;carbon;epoxy
Abstrakt: The article deals with experimental and numerical analysis of stress wave propagation in a thin long fiber carbon/epoxy composite material. Experiments were performed on in-plane loaded square composite panels with dimensions 501mm £ 501mm £ 2:2 mm. The panels have several fiber orientations (0±, 30±, 60± and 90± measured from the loaded edge). They were loaded by in-plane impact of steel sphere. The impact area was on the edge, exactly 150mm from top left corners corner of the panels. The loading force was approximated by a time dependent function. Its shape was obtained from three dimensional contact analysis, which was performed on smaller area of panel. The function was used in further plane stress analysis of the whole panels. The comparison of the numerical and experimental results was executed. An attempt at determination of velocity of propagation of Rayleigh waves on the loaded edge was performed and the results are discussed in the paper. Further directions of the research are proposed.
Práva: © 2007 University of West Bohemia. All rights reserved.
Vyskytuje se v kolekcích:Volume 1, number 1 (2007)
Volume 1, number 1 (2007)

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