Size optimization method for controlling the buckling mode shape and critical buckling temperature of composite structures
Sign Up to like & getrecommendations! Published in 2021 at "Composite Structures"
DOI: 10.1016/j.compstruct.2020.112902
Abstract: Abstract The present study develops a novel size optimization method to control the buckling mode shape and associated buckling temperatures of plates. From a structural stability point of view, predicting the buckling temperature and mode… read more here.
Keywords: mode shape; optimization; buckling temperature; size optimization ... See more keywords
Non-model-based damage identification of plates using principal, mean and Gaussian curvature mode shapes
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2017.03.030
Abstract: Abstract Mode shapes have been extensively used to identify structural damage. This paper presents a new non-model-based method that uses principal, mean and Gaussian curvature mode shapes (CMSs) to identify damage in plates; the method… read more here.
Keywords: principal mean; mode; mode shape; damage ... See more keywords
Damage localization of beam structures using mode shape extracted from moving vehicle response
Sign Up to like & getrecommendations! Published in 2018 at "Measurement"
DOI: 10.1016/j.measurement.2018.02.066
Abstract: Abstract Mode shape curvature change has been regarded as a promising damage localization index (DLI). However, its application is limited by the requirement for high spatial resolution and reference mode shapes, and the central difference… read more here.
Keywords: mode shape; damage localization; moving vehicle; damage ... See more keywords
A mode shape assembly algorithm by using two stage Bayesian Fast Fourier Transform Approach
Sign Up to like & getrecommendations! Published in 2019 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2019.106328
Abstract: Abstract Operational modal analysis may require identifying global modal shapes by using multiple setup measurements. For this purpose, various algorithms have been developed which make use of the Bayesian approach to estimate the global mode… read more here.
Keywords: mode; fast fourier; mode shape; approach ... See more keywords
Second-harmonic generation in single-mode integrated waveguides based on mode-shape modulation
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4978696
Abstract: Second-harmonic generation is demonstrated using grating-assisted quasi-phase matching, based on waveguide-width modulation or mode-shape modulation. Applicable to any thin-film integrated second-order nonlinear waveguide, the technique is demonstrated in compact lithium niobate ridge waveguides. Fabricated devices… read more here.
Keywords: shape modulation; second harmonic; harmonic generation; mode shape ... See more keywords
Reliability of the Tensile Force Identification in Ancient Tie-Rods Using One Flexural Mode Shape
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Architectural Heritage"
DOI: 10.1080/15583058.2018.1563227
Abstract: ABSTRACT This article presents an investigation into the reliability of an experimental procedure for the axial load identification of tie-rods with unknown boundary conditions, that uses one vibration frequency and five amplitudes of the corresponding… read more here.
Keywords: tie rods; mode shape; identification; force identification ... See more keywords
Long-term mode shape degradation in large mode area Yb-doped pulsed fiber amplifiers
Sign Up to like & getrecommendations! Published in 2017 at "Laser Physics Letters"
DOI: 10.1088/1612-202x/14/1/015102
Abstract: Experimental observation of long-term output mode shape degradation in pulsed Yb-doped fiber amplifiers is reported for the first time. The process occurs in large mode area Yb-doped fibers and is caused by the formation of… read more here.
Keywords: mode; fiber amplifiers; long term; large mode ... See more keywords
Mode Shape Description and Model Updating of Axisymmetric Structures Using Radial Tchebichef Moment Descriptors
Sign Up to like & getrecommendations! Published in 2021 at "Shock and Vibration"
DOI: 10.1155/2021/8895583
Abstract: A novel approach for mode shape feature extraction and model updating of axisymmetric structures based on radial Tchebichef moment (RTM) descriptors is proposed in this study. The mode shape features extracted by RTM descriptors can… read more here.
Keywords: updating axisymmetric; axisymmetric structures; model; mode shape ... See more keywords