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Comparative Study on Analysis Models for Layered Composite Plates

Friedrichs, S. and Wehmeier, C. (2004) Comparative Study on Analysis Models for Layered Composite Plates. DLR-Interner Bericht. DLR-IB 131-2004/28, 129 S.

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Abstract

In the open literature there is available a tremendous number of models and methods for analyzing laminated structures. With respect to the assumptions across the laminate thickness, theories with Cz1-continuous functions are to be distinguished from layer-wise approaches, where for the latter the functional degrees of freedom can be dependent or independent of the number of layers. Transverse shear and normal stresses are more accurate when obtained by locally evaluating the equilibrium conditions. Guidelines are needed as to which model is suitable for what task. Especially for layer-wise models a fair judgment is missing. To ease up this deficiency two simple layer-wise models are evaluated and compared with models based on Cz1-continuous functions. It turns out that for standard application the FSDT with improved transverse shear stiffness is a good choice with respect to efficiency.

Item URL in elib:https://elib.dlr.de/49103/
Document Type:Monograph (DLR-Interner Bericht)
Title:Comparative Study on Analysis Models for Layered Composite Plates
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Friedrichs, S.UNSPECIFIEDUNSPECIFIED
Wehmeier, C.UNSPECIFIEDUNSPECIFIED
Date:October 2004
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:129
Keywords:Analysis, model, composite, layered plates
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures & Materials (old)
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems
Deposited By: Ries, Doris
Deposited On:02 Jul 2007
Last Modified:27 Apr 2009 13:54

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