A novel iterative algorithm for natural frequency analysis of FG thin plates under interval uncertainty
Sign Up to like & getrecommendations! Published in 2019 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-019-02267-x
Abstract: High-accuracy numerical method for uncertainty propagation analysis is a crucial issue in the field of structural reliability design. In this work, a novel iterative algorithm is proposed to study the free vibration of the functionally… read more here.
Keywords: novel iterative; iterative algorithm; thin plates; frequency ... See more keywords
High natural frequency gap topology optimization of bi-material elastic structures and band gap analysis
Sign Up to like & getrecommendations! Published in 2021 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-020-02811-0
Abstract: This work aims to perform the topology optimizationof frequency separation interval of continuous elastic bi-dimensional structures in the high-frequency domain. The studied structures are composed of two materials. The proposed algorithm is an adaptation of… read more here.
Keywords: optimization; gap; frequency; topology ... See more keywords
Numerical analysis of natural frequency and stress intensity factor in Euler–Bernoulli cracked beam
Sign Up to like & getrecommendations! Published in 2019 at "Acta Mechanica"
DOI: 10.1007/s00707-019-02492-x
Abstract: In this paper, the evaluation procedures of the natural frequency and the stress intensity factor in the opening mode are established for the Euler–Bernoulli cracked beam by using (a) a technique in the framework of… read more here.
Keywords: natural frequency; frequency; intensity factor; frequency stress ... See more keywords
Design optimization of a 2-DOF parallel kinematic machine based on natural frequency
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-020-0133-4
Abstract: In this paper, kinematics, workspace, and dynamic analysis of a two degree of freedom (2-DOF) translational parallel robot are carried out. The mechanism of the 2-DOF translational parallel robot consists of four links. Links 1… read more here.
Keywords: natural frequency; frequency; kinematic machine; parallel kinematic ... See more keywords
Assessment of bridge natural frequency as an indicator of scour using centrifuge modelling
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Civil Structural Health Monitoring"
DOI: 10.1007/s13349-020-00420-5
Abstract: One of the most prevalent causes of bridge failure around the world is “scour”—the gradual erosion of soil around a bridge foundation due to fast-flowing water. A reliable technique for monitoring scour would help bridge… read more here.
Keywords: natural frequency; scour; frequency; foundation ... See more keywords
Assessment of the fundamental natural frequency of bridge decks
Sign Up to like & getrecommendations! Published in 2019 at "Asian Journal of Civil Engineering"
DOI: 10.1007/s42107-019-00155-9
Abstract: In this paper, considering some important and influencing parameters on the fundamental natural frequencies of bridges including bridge span length, number of spans, bridge width, number of girders, and height of girders, variation of the… read more here.
Keywords: natural frequency; frequency; frequency bridge; bridge ... See more keywords
Implementation and application of digitally controlled piezoelectric vibration absorbers to truss structures
Sign Up to like & getrecommendations! Published in 2019 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2018.05.052
Abstract: Abstract The aim of this study involves implementing adaptive PVAs by adjusting their characteristics in orbit. Specifically, the results of the study focus on the implementation of digitally controlled PVAs and demonstrate their performance in… read more here.
Keywords: vibration; truss structures; natural frequency; digitally controlled ... See more keywords
Space elevator cable's oscillation caused in space thermal environment
Sign Up to like & getrecommendations! Published in 2020 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2020.07.012
Abstract: Abstract On the assumption that the tether's Young's modulus depends on the tether temperature, we analyzed the behavior of the space elevator tether with taking the tether's temperature change into account. The results show the… read more here.
Keywords: natural frequency; space; frequency; vibration ... See more keywords
Natural frequency analysis of functionally graded material beams with axially varying stochastic properties
Sign Up to like & getrecommendations! Published in 2019 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2018.10.011
Abstract: Abstract The functionally graded material (FGM) has a potential to replace ordinary ones in engineering reality due to its superior thermal and dynamical characteristics. In this regard, the paper presents an effective approach for uncertain… read more here.
Keywords: axially varying; functionally graded; frequency; frequency analysis ... See more keywords
Natural frequency of offshore wind turbines on rigid and flexible monopiles in cohesionless soils with linear stiffness distribution
Sign Up to like & getrecommendations! Published in 2017 at "Applied Ocean Research"
DOI: 10.1016/j.apor.2017.07.009
Abstract: Abstract A simplified method is introduced to obtain the fundamental frequency of offshore wind turbines supported by monopile foundations. Soil-pile interaction is modeled based on Winkler approach and concept of beam on elastic foundation. The… read more here.
Keywords: natural frequency; offshore wind; frequency; frequency offshore ... See more keywords
Natural frequency of earthen dams at different induced strain levels
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Geology"
DOI: 10.1016/j.enggeo.2018.12.008
Abstract: Abstract A method is proposed to estimate the degradation of the first natural frequency of vibration of earthen dams with increase in strain levels induced due to seismic events. A synthesised wave, referred to as… read more here.
Keywords: frequency; natural frequencies; strain; strain levels ... See more keywords