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THREE-DIMENSIONAL STRESS ANALYSIS OF LAMINATED COMPOSITE PLATES USING FLWT-BASED FINITE ELEMENTS

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2019
bitstream_6615.pdf (12.49Mb)
Authors
Damnjanović, Emilija
Marjanović, Miroslav
Conference object (Published version)
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Abstract
The paper deals with the 3-D stress analysis of laminated composite plates using a layerwise displacement model of Reddy, that assumes piece-wise linear variation of all displacement components and the quadratic variation of interlaminar stresses within each layer of the plate. Based on the assumed displacement field, kinematic relations, 3-D constitutive equations of both lamina and laminate and governing equations of motion have been derived. Starting from the strong formulation of the full layerwise theory (FLWT), family of layered finite elements has been developed and implemented in original object-oriented MATLAB code. GiD software is used for the pre- and post-processing. The parametric effects of plate side-to-thickness ratio, mesh refinement in- and out-of-plane and applied element type on total deflection and stress distribution in the considered laminate are shown. The accuracy of the present model is verified against the existing data from the literature and the ...commercial software. The possibilities for the further improvement and applications of the model are briefly presented.

Keywords:
full layerwise theory / 3-D stress state / bending / laminate / composite / plate
Source:
Proceedings / The 7th International Congress of Serbian Society of Mechanics, Sremski Karlovci, June 24-26, 2019, 2019, S1c-
Funding / projects:
  • Towards development of sustainable cities: influence of traffic induced vibrations on buildings and humans (RS-36046)
  • Research on condition assessment and improvement methods of civil engineering structures in view of their serviceability, load-bearing capacity, cost effectiveness and maintenance (RS-36048)

ISBN: 978-86-909973-7-4

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_grafar_1736
URI
https://grafar.grf.bg.ac.rs/handle/123456789/1736
Collections
  • Radovi istraživača / Researcher's publications
  • Катедра за техничку механику и теорију конструкција
Institution/Community
GraFar
TY  - CONF
AU  - Damnjanović, Emilija
AU  - Marjanović, Miroslav
PY  - 2019
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/1736
AB  - The paper deals with the 3-D stress analysis of laminated composite plates using a layerwise
displacement model of Reddy, that assumes piece-wise linear variation of all displacement
components and the quadratic variation of interlaminar stresses within each layer of the plate.
Based on the assumed displacement field, kinematic relations, 3-D constitutive equations of both
lamina and laminate and governing equations of motion have been derived. Starting from the
strong formulation of the full layerwise theory (FLWT), family of layered finite elements has
been developed and implemented in original object-oriented MATLAB code. GiD software is
used for the pre- and post-processing.
The parametric effects of plate side-to-thickness ratio, mesh refinement in- and out-of-plane
and applied element type on total deflection and stress distribution in the considered laminate are
shown. The accuracy of the present model is verified against the existing data from the literature
and the commercial software. The possibilities for the further improvement and applications of
the model are briefly presented.
C3  - Proceedings / The 7th International Congress of Serbian Society of Mechanics, Sremski Karlovci, June 24-26, 2019
T1  - THREE-DIMENSIONAL STRESS ANALYSIS OF LAMINATED COMPOSITE PLATES USING FLWT-BASED FINITE ELEMENTS
SP  - S1c
UR  - https://hdl.handle.net/21.15107/rcub_grafar_1736
ER  - 
@conference{
author = "Damnjanović, Emilija and Marjanović, Miroslav",
year = "2019",
abstract = "The paper deals with the 3-D stress analysis of laminated composite plates using a layerwise
displacement model of Reddy, that assumes piece-wise linear variation of all displacement
components and the quadratic variation of interlaminar stresses within each layer of the plate.
Based on the assumed displacement field, kinematic relations, 3-D constitutive equations of both
lamina and laminate and governing equations of motion have been derived. Starting from the
strong formulation of the full layerwise theory (FLWT), family of layered finite elements has
been developed and implemented in original object-oriented MATLAB code. GiD software is
used for the pre- and post-processing.
The parametric effects of plate side-to-thickness ratio, mesh refinement in- and out-of-plane
and applied element type on total deflection and stress distribution in the considered laminate are
shown. The accuracy of the present model is verified against the existing data from the literature
and the commercial software. The possibilities for the further improvement and applications of
the model are briefly presented.",
journal = "Proceedings / The 7th International Congress of Serbian Society of Mechanics, Sremski Karlovci, June 24-26, 2019",
title = "THREE-DIMENSIONAL STRESS ANALYSIS OF LAMINATED COMPOSITE PLATES USING FLWT-BASED FINITE ELEMENTS",
pages = "S1c",
url = "https://hdl.handle.net/21.15107/rcub_grafar_1736"
}
Damnjanović, E.,& Marjanović, M.. (2019). THREE-DIMENSIONAL STRESS ANALYSIS OF LAMINATED COMPOSITE PLATES USING FLWT-BASED FINITE ELEMENTS. in Proceedings / The 7th International Congress of Serbian Society of Mechanics, Sremski Karlovci, June 24-26, 2019, S1c.
https://hdl.handle.net/21.15107/rcub_grafar_1736
Damnjanović E, Marjanović M. THREE-DIMENSIONAL STRESS ANALYSIS OF LAMINATED COMPOSITE PLATES USING FLWT-BASED FINITE ELEMENTS. in Proceedings / The 7th International Congress of Serbian Society of Mechanics, Sremski Karlovci, June 24-26, 2019. 2019;:S1c.
https://hdl.handle.net/21.15107/rcub_grafar_1736 .
Damnjanović, Emilija, Marjanović, Miroslav, "THREE-DIMENSIONAL STRESS ANALYSIS OF LAMINATED COMPOSITE PLATES USING FLWT-BASED FINITE ELEMENTS" in Proceedings / The 7th International Congress of Serbian Society of Mechanics, Sremski Karlovci, June 24-26, 2019 (2019):S1c,
https://hdl.handle.net/21.15107/rcub_grafar_1736 .

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