Recent developments in manufacturing, mechanics, and design optimization of variable stiffness composites
D Punera, P Mukherjee - Journal of Reinforced Plastics and …, 2022 - journals.sagepub.com
The functional advantages of tailored stiffness, often seen in nature, are also utilized in
composite structures. Advancements in the multiaxis tow placement and automated fiber …
composite structures. Advancements in the multiaxis tow placement and automated fiber …
[HTML][HTML] A nodal-based optimization method for the design of continuous fiber-reinforced structures
The mechanical performance of fiber-reinforced structures highly relies on fibers' paths in
the matrix material. Unlike the level set method that offsets the zero-level contours of a …
the matrix material. Unlike the level set method that offsets the zero-level contours of a …
Efficient reliability-based design optimization of composite structures via isogeometric analysis
Composite variable-stiffness (VS) panels with curvilinear fiber paths are very promising for
aerospace structures. Due to the inherent complexity of VS laminates, buckling analysis and …
aerospace structures. Due to the inherent complexity of VS laminates, buckling analysis and …
[HTML][HTML] Dynamic analysis of prestressed variable stiffness composite shell structures
The design space for high-performance lightweight composite structures has grown
considerably since the advent of the variable stiffness concept. In fact, variable stiffness …
considerably since the advent of the variable stiffness concept. In fact, variable stiffness …
Buckling optimization of variable-stiffness composite panels based on flow field function
Due to the non-uniform in-plane stress distribution, variable-stiffness panel with curvilinear
fiber paths is a promising structural concept for cutout reinforcement of composite structures …
fiber paths is a promising structural concept for cutout reinforcement of composite structures …
Design of manufacturable fiber path for variable-stiffness panels based on lamination parameters
Compared with traditional composite panels, the modeling, analysis and design of variable-
stiffness panels with curvilinear fibers are much more complicated. Although the design …
stiffness panels with curvilinear fibers are much more complicated. Although the design …
Prestressed vibration of stiffened variable-angle tow laminated plates
W Zhao, RK Kapania - AIAA Journal, 2019 - arc.aiaa.org
Compared to straight fiber path laminates, variable-angle tow (VAT) laminates are known to
redistribute the in-plane stress resultants for improving structural buckling response. The …
redistribute the in-plane stress resultants for improving structural buckling response. The …
Supersonic panel flutter of variable stiffness composite laminated skew panels subjected to yawed flow by using NURBS-based isogeometric approach
V Khalafi, J Fazilati - Journal of Fluids and Structures, 2018 - Elsevier
An enhanced isogeometric finite element method is developed to investigate the free
vibration analysis as well as the linear flutter characteristics of finite square as well as skew …
vibration analysis as well as the linear flutter characteristics of finite square as well as skew …
Eigenfrequencies of prestressed variable stiffness composite shells
The introduction of the variable stiffness concept has broadened the design space for high-
performance lightweight composite structures. In particular, when considering prestressed …
performance lightweight composite structures. In particular, when considering prestressed …
Effect of fiber orientation path on the buckling, free vibration, and static analyses of variable angle tow panels
In this work, the effect of the fiber orientation on the mechanical response of variable angle
tow (VAT) panels is investigated. A computationally efficient high-order one-dimensional …
tow (VAT) panels is investigated. A computationally efficient high-order one-dimensional …