2017
DOI: 10.1590/1679-78253562
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Stability Analysis of Variable Stiffness Composite Laminated Plates with Delamination Using Spline-FSM

Abstract: The dynamic behavior of variable stiffness composite laminated (VSCL) plate with curvilinear fiber orientation subjected to inplane end-loads is investigated. A variable stiffness design can increase the laminated composite structural performance and also provides flexibility for trading-offs between various structural properties. In each ply of the VSCL plate, the fiber-orientation angle assumed to be changed linearly with respect to horizontal geometry coordinate. The spline finite strip method based on both… Show more

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Cited by 19 publications
(12 citation statements)
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“…The force resultants ( N, M ,O,P,Q,R,T,U ) in energy integrands are location dependent due to change in the fiber orientation angles of curvilinear plies on any layers and may be related to the local strain terms via the curvilinear fiber laminated material equivalent stiffness matrices through 13 …”
Section: Theoretical Developmentmentioning
confidence: 99%
See 2 more Smart Citations
“…The force resultants ( N, M ,O,P,Q,R,T,U ) in energy integrands are location dependent due to change in the fiber orientation angles of curvilinear plies on any layers and may be related to the local strain terms via the curvilinear fiber laminated material equivalent stiffness matrices through 13 …”
Section: Theoretical Developmentmentioning
confidence: 99%
“…The changing fiber angle is denoted by a two-angle set <T 0 , T 1 > where the former one and the latter are the fiber angle at the plate middle section and plate ends, respectively. 13 Figure 2(b) depicts the pattern of changing fiber orientation in longitudinal direction. The fiber angle at every arbitrary point in the geometry surface could then be expressed by linear equation …”
Section: Theoretical Developmentmentioning
confidence: 99%
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“…Use of the Finite Strip Method (FSM) is simpler and more economical compared to the FEM, in order to analyze long thin-walled structures such as cylindrical panels (Mirzaei et al 2015, Fazilati 2017, Balogh and Logo 2015, Rondal 1998. Moreover, while in the FEM the structure is discretized in transverse and longitudinal directions, it is only discretized in transverse direction in FSM (Rondal 1998).…”
Section: Introductionmentioning
confidence: 99%
“…All of the above research works focused on the study of dynamic instability of constant stiffness laminated plates or shells with delaminations. Fazillati [33] recently reported a research work that applied a B-spline finite strip method to study the dynamic instability behavior of variable stiffness composite laminated plates with delamination. However, the non-uniform in-plane stress field was not considered in his model and analysis.…”
Section: Introductionmentioning
confidence: 99%