Journal ArticleDOI
Analysis of process-induced deformations and residual stresses in curved composite parts considering transverse shear stress and thickness stretching
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TLDR
A computationally efficient modeling approach for the accurate evaluation of process-induced deformations and residual stresses in composite parts is presented in this paper, where a family of refined one-dimensional kinematic models, developed in the framework of the Carrera Unified Formulation, has been used to predict the accurate through-thickness deformation of layered structures during the manufacturing process.About:
This article is published in Composite Structures.The article was published on 2020-06-01. It has received 20 citations till now. The article focuses on the topics: Residual stress & Stress field.read more
Citations
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Who needs refined structural theories
TL;DR: It is demonstrated that the possibility of incorporating higher-order effects in 1D and 2D models continues to remain attractive in many structural engineering problems to alleviate the computational burdens of 3D analyses.
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Study on cure-induced residual stresses and spring-in deformation of L-shaped composite laminates using a simplified constitutive model considering stress relaxation
TL;DR: In this paper, a simplified constitutive model of resin in curing process considering stress relaxation was proposed, which is used to predict the spring-in deformations of L-shaped composite laminates with different structural parameters.
Journal ArticleDOI
The effect of curing deformation on the vibration behavior of laminated composite beams
TL;DR: In this article, the effect of curing deformation on the vibration behavior of a laminated composite beam is studied, and the Rayleigh-Ritz method is used to obtain the natural frequencies of the laminate composite beam considering the curing deformations.
Journal ArticleDOI
Effects of processing parameters for vacuum-bagging-only method on shape conformation of laminated composites
TL;DR: In this article, the authors investigated the contribution of multivariate processing parameters such as bagging techniques, curing profiles, and laminate structures on laminates' shape conformation, and provided guidelines to reduce thickness variations and spring effect in laminated composites with complex shapes.
Journal ArticleDOI
Determination of the influence of thermo-mechanical factors on the residual stresses of cylindrical composite tubes: Experimental and computational analyses
TL;DR: In this paper, thermal residual stresses in fiber reinforced polymer (FRP) tubes have been investigated and three important thermo-mechanical parameters, namely, cooling temperature, CNT reinforcement, and tube size, have been taken into account with the aim of achieving optimum design in manufacturing of FRP tubes.
References
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Book
Finite Element Analysis of Structures through Unified Formulation
TL;DR: In this paper, the Finite Element Method for the analysis of elastic structures such as beams, plates, shells and solids has been used to deal with multilevel problems involving mechanical, electrical and thermal loadings.
Journal ArticleDOI
A Plane Strain Model for Process-Induced Deformation of Laminated Composite Structures
TL;DR: In this article, a plane strain finite element model for simulation of the development of process-induced deformation during autoclave processing of complex-shaped composite structures is presented, where a "cure-hardening" mechanism is used.
Journal ArticleDOI
Experimental and numerical study of the effect of cure cycle, tool surface, geometry, and lay-up on the dimensional fidelity of autoclave-processed composite parts
TL;DR: In this article, the authors present an experimental study that shows that spring-in can be strongly affected by a number of factors such as cure cycle, tool surface, part geometry, and lay-up.
Journal ArticleDOI
Spring-in and warpage of angled composite laminates
Carolyne Albert,Göran Fernlund +1 more
TL;DR: In this paper, a large number of experiments were performed to examine the effect of design and process parameters on spring-in and warpage of composite laminates with a symmetrical lay-up.
Journal ArticleDOI
Refined beam elements with only displacement variables and plate/shell capabilities
Erasmo Carrera,Marco Petrolo +1 more
TL;DR: In this paper, a refined beam formulation with displacement variables is proposed, in which Lagrange-type polynomials are used to interpolate the displacement field over the beam cross-section.
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