Studies on knot placement techniques for the geometry construction and the accurate simulation of isogeometric spatial curved beams
Sign Up to like & getrecommendations! Published in 2020 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2019.112705
Abstract: Abstract The present paper investigates the use of different knot placement techniques for isogeometric analysis of spatial curved beams, to enhance analysis results in cases when geometries are given in terms of data points. Focusing… read more here.
Keywords: placement techniques; curved beams; geometry; placement ... See more keywords
Static analysis of bi-directional functionally graded curved beams
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DOI: 10.1016/j.compstruct.2016.10.120
Abstract: Abstract Flexure of bi-directional functionally graded (FG) circular beams is analyzed using the kinematical assumptions of the Euler–Bernoulli theory. The material properties are varied along the axis (tangential direction) and thickness (radial direction) of the… read more here.
Keywords: graded curved; functionally graded; curved beams; directional functionally ... See more keywords
Geometrically exact beam element with predefined stress resultant fields for nonlinear analysis of FG curved beams with discontinuous stiffness
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DOI: 10.1016/j.compstruct.2021.114437
Abstract: Abstract Based on the geometrically exact beam theory, a novel force-based beam finite element formulation is proposed in this paper for geometrically nonlinear analysis of functional graded (FG) curved beams with discontinuous stiffness. In this… read more here.
Keywords: exact beam; geometrically exact; curved beams; beam ... See more keywords
Machine learning-based design and optimization of curved beams for multistable structures and metamaterials
Sign Up to like & getrecommendations! Published in 2020 at "Extreme Mechanics Letters"
DOI: 10.1016/j.eml.2020.101002
Abstract: Abstract Curved beams have been wildly used in MEMS (Micro-electromechanical systems) devices and energy absorption materials owing to its bistability. Almost all curved beams in previous studies have a constant thickness. Although better performance can… read more here.
Keywords: curved beams; optimization; machine learning; design optimization ... See more keywords
An adaptive differential quadrature element method for large deformation contact problems involving curved beams with a finite number of contact points
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2017.03.020
Abstract: Abstract Contact problems involving large deformation of curved beams are difficult to analyze due to uncertainty of contact positions and strong nonlinearity. A nonlinear large-deformation model of curved beams is formulated in arc-length coordinates. A new… read more here.
Keywords: contact; curved beams; number contact; large deformation ... See more keywords
Dynamic analysis of rotating curved beams by using Absolute Nodal Coordinate Formulation based on radial point interpolation method
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2018.10.011
Abstract: Abstract It is well known that rotating beams are stretched due to centrifugal forces. Accordingly, it can be speculated that the stretching effect for rotating curved beams leads to changes of the curvature. But this… read more here.
Keywords: curved beams; centrifugal forces; absolute nodal; rotating curved ... See more keywords
Vibration analysis of functionally graded porous piezoelectric deep curved beams resting on discrete elastic supports
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DOI: 10.1016/j.tws.2021.107838
Abstract: Abstract This paper presents a modified variational method for the dynamic analysis of functionally graded piezoelectric (FGPM) deep curved beams with porosity (FGPP beam) resting on an arbitrary number of discrete elastic foundations (EFs). The… read more here.
Keywords: functionally graded; discrete elastic; analysis functionally; curved beams ... See more keywords
In-plane and out-of-plane free vibration of stepped straight and curved beams with different materials
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DOI: 10.1063/1.5038722
Abstract: This paper presents a comprehensive investigation of the free vibrations of stepped straight and curved beams with different shapes and different materials. The beams are assumed to be Euler-Bernoulli type, and Finite Element Displacement Method… read more here.
Keywords: beams different; stepped straight; curved beams; straight curved ... See more keywords
Vibration analyses of general thin and moderately thick laminated composite curved beams with variable curvatures and general boundary conditions
Sign Up to like & getrecommendations! Published in 2019 at "Mechanics of Advanced Materials and Structures"
DOI: 10.1080/15376494.2018.1503760
Abstract: Abstract An exact semianalytical method for vibration analysis of general thin and moderately thick laminated composite curved beams with variable curvatures and general boundary conditions is presented. In the framework of the first-order shear deformation… read more here.
Keywords: boundary conditions; composite curved; general boundary; curved beams ... See more keywords
Enhanced cohesive zone model to predict delamination behavior of carbon/epoxy laminated curved beams
Sign Up to like & getrecommendations! Published in 2020 at "Mechanics of Advanced Materials and Structures"
DOI: 10.1080/15376494.2020.1769232
Abstract: This paper proposes an enhanced Cohesive Zone Model (CZM) for the prediction of delamination in curved beams of epoxy carbon laminates. This model improves the conventional CZM, taking into account... read more here.
Keywords: enhanced cohesive; curved beams; zone model; cohesive zone ... See more keywords
Thermoelastic Vibration of Shear Deformable Functionally Graded Curved Beams with Microstructural Defects
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Structural Stability and Dynamics"
DOI: 10.1142/s0219455418501353
Abstract: In the present study, the thermoelastic vibration of shear deformable functionally graded material (FGM) curved beams with microstructural defects (porosity) has been analyzed by the finite element method. The formulation is based on the higher-order… read more here.
Keywords: thermoelastic vibration; functionally graded; curved beams; shear deformable ... See more keywords