Effect of residual stress distribution in a log on lumber warp due to sawing: a numerical simulation based on the beam theory
Sign Up to like & getrecommendations! Published in 2020 at "Wood Science and Technology"
DOI: 10.1007/s00226-020-01240-y
Abstract: When a squared lumber such as a beam and/or a bearer is produced from a log, they often show warps. Warp of the sawn lumber is practically not serious when the pith is located at… read more here.
Keywords: numerical simulation; residual stress; beam theory; based beam ... See more keywords
Instability of functionally graded micro-beams via micro-structure-dependent beam theory
Sign Up to like & getrecommendations! Published in 2018 at "Applied Mathematics and Mechanics"
DOI: 10.1007/s10483-018-2343-8
Abstract: This paper focuses on the buckling behaviors of a micro-scaled bi-directional functionally graded (FG) beam with a rectangular cross-section, which is now widely used in fabricating components of micro-nano-electro-mechanical systems (MEMS/NEMS) with a wide range… read more here.
Keywords: theory; functionally graded; structure dependent; beam theory ... See more keywords
Vibration suppression of magnetostrictive laminated beams resting on viscoelastic foundation
Sign Up to like & getrecommendations! Published in 2020 at "Applied Mathematics and Mechanics"
DOI: 10.1007/s10483-020-2635-7
Abstract: The vibration suppression analysis of a simply-supported laminated composite beam with magnetostrictive layers resting on visco-Pasternak’s foundation is presented. The constant gain distributed controller of the velocity feedback is utilized for the purpose of vibration… read more here.
Keywords: vibration; foundation; vibration suppression; beam theory ... See more keywords
A (3,2) reduced degree-of-freedom unified zigzag laminated beam theory
Sign Up to like & getrecommendations! Published in 2020 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2019.09.041
Abstract: Abstract A (3,2) unified zigzag beam theory is developed with a reduced number of degree-of-freedom. Comparing to previous methods in the field of zigzag beam theory, the main novelty in this paper's method is that… read more here.
Keywords: freedom; zigzag; shear stress; beam theory ... See more keywords
Dynamic stability analysis of delaminated composite beams in frequency domain using a unified beam theory with higher order displacement continuity
Sign Up to like & getrecommendations! Published in 2021 at "Composite Structures"
DOI: 10.1016/j.compstruct.2021.114173
Abstract: Abstract In this paper the dynamic stability behaviour of single delaminated composite beam is investigated using higher order shear deformable beam theories. The system is discretised by the _nite element method and the mass, material… read more here.
Keywords: order; beam theory; beam; dynamic stability ... See more keywords
Asymptotic beam theory for non-classical elastic materials
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2020.105950
Abstract: Abstract This paper is devoted to the study of the plane-stress deformation of a beam composed of non-classical elastic materials that are suitable for modeling certain inter-metallic alloys with a nonlinear constitutive relation between the… read more here.
Keywords: non classical; classical elastic; elastic materials; beam theory ... See more keywords
Accuracy of beam theory for estimating bone tissue modulus and yield stress from 3-point bending tests on rat femora.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of biomechanics"
DOI: 10.1016/j.jbiomech.2020.109654
Abstract: Mechanical analysis of animal long bones often makes use of beam theory to estimate tissue properties from bending tests. An earlier study (van Lenthe et al., 2008) found that beam theory leads to a considerable… read more here.
Keywords: theory; yield stress; tissue; beam theory ... See more keywords
An innovative co-rotational pointwise equilibrating polynomial element based on Timoshenko beam theory for second-order analysis
Sign Up to like & getrecommendations! Published in 2019 at "Thin-Walled Structures"
DOI: 10.1016/j.tws.2019.04.001
Abstract: Abstract The pointwise equilibrating polynomial (PEP) beam-column element has been widely used in engineering applications since 1994 as it can accurately and efficiently account for second-order P-δ effect. However, the PEP element was derived from… read more here.
Keywords: order; second order; beam theory; element ... See more keywords
Geometrically nonlinear analysis of perforated rack columns under a compression load by means of Generalized Beam Theory
Sign Up to like & getrecommendations! Published in 2021 at "Thin-walled Structures"
DOI: 10.1016/j.tws.2021.108102
Abstract: Abstract This paper presents a simplified methodology to take perforations in rack columns into account by means of a geometrically nonlinear Generalized Beam Theory (GBT) analysis. A new GBT formulation, which considers perforation effects through… read more here.
Keywords: geometrically nonlinear; rack columns; beam theory; generalized beam ... See more keywords
Strain proportional damping in Bernoulli-Euler beam theory
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DOI: 10.1016/j.ymssp.2020.106907
Abstract: Abstract In structural dynamics, different damping models are used; however, due to modal decomposition, those models typically result in the use of the damping ratio as the modal damping parameter. If proportional viscous damping is… read more here.
Keywords: damping parameter; mode; bernoulli euler; beam theory ... See more keywords
Stability analysis of single-walled carbon nanotubes embedded in winkler foundation placed in a thermal environment considering the surface effect using a new refined beam theory
Sign Up to like & getrecommendations! Published in 2019 at "Mechanics Based Design of Structures and Machines"
DOI: 10.1080/15397734.2019.1698437
Abstract: Abstract This article is devoted to investigate the stability of different types of Single Walled Carbon Nanotubes (SWCNTs) such as zigzag, chiral, and armchair types which are rested in Winkler elastic foundations exposing to both… read more here.
Keywords: single walled; surface; walled carbon; beam theory ... See more keywords