Results 11 to 20 of about 531 (135)

Torsional Vibration of a Shafting System under Electrical Disturbances

open access: yesShock and Vibration, 2012
Torsional vibration responses of a nonlinear shafting system are studied by a modified Riccati torsional transfer matrix combining with the Newmark-β method. Firstly, the system is modeled as a chain consisting of an elastic spring with concentrated mass
Ling Xiang, Shixi Yang, Chunbiao Gan
doaj   +1 more source

Dynamic responses of a riser under combined excitation of internal waves and background currents

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2014
In this study, the dynamic responses of a riser under the combined excitation of internal waves and background currents are studied. A modified Taylor-Goldstein equation is used to calculate the internal waves vertical structures when background currents
Lou Min, Yu Chenglong
doaj   +3 more sources

Dynamics Investigation on Axial-Groove Gas Bearing-Rotor System with Rod-Fastened Structure

open access: yesApplied Sciences, 2021
This research report discusses the dynamic behaviors of an axial-groove gas bearings-rotor system with rod-fastened structure. The time-based dependency-compressible Reynolds equation in the gas bearing nonlinear system is solved by the differential ...
Sha Li   +4 more
doaj   +1 more source

Damage Detection for Large-Scale Grid Structure Based on Virtual Axial Strain

open access: yesShock and Vibration, 2020
To identify the damaged beams in large-scale spatial structure, a damage indicator based on virtual axial strain calculated from mode shape vectors was proposed.
Jian-xin Yu, Hui-feng Tan
doaj   +1 more source

Dynamic Response of an Euler-Bernoulli Beam Coupled with a Tuned Mass Damper under Moving Load Excitation

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2020
In this study, dynamic analysis of Euler-Bernoulli beam and Tuned Mass Damper (TMD) interaction problem under the effect of moving load was carried out by the mode superposition method.
Mehmet Akif Koç
doaj   +1 more source

A semi-analytical method for dynamic analysis of a rectangular plate with general boundary conditions based on FSDT

open access: yesReviews on Advanced Materials Science, 2022
In this paper, the unified Jacobi–Ritz method (JRM) is utilized to analyze the dynamic response of rectangular plates with general boundary conditions.
Jia Di   +5 more
doaj   +1 more source

Vibration Analysis of Flexible Rotor with Angular Contact Ball Bearings Using a General Bearing Stiffness Model [PDF]

open access: yes한국정밀공학회지, 2018
The vibration analysis of flexible rotor systems supported by angular contact ball bearings is presented. Vibration analysis of rotor-ball bearing systems has often been performed via simplification of supporting bearings as linear springs with constant ...
Van-Canh Tong, Seong-Wook Hong
doaj   +1 more source

A Fully Coupled Time-Domain BEM-FEM Method for the Prediction of Symmetric Hydroelastic Responses of Ships with Forward Speed

open access: yesShock and Vibration, 2022
This paper presents a direct time-domain method for the prediction of symmetric hydroelastic responses of ships progressing with forward speed in small amplitude waves.
Tushar Kanti Show   +2 more
doaj   +1 more source

Prediction of Time Domain Vibro-Acoustic Response of Conical Shells Using Jacobi–Ritz Boundary Element Method

open access: yesAcoustics
Considering the lack of studies on the transient vibro-acoustic properties of conical shell structures, a Jacobi–Ritz boundary element method for forced vibro-acoustic behaviors of structure is proposed based on the Newmark-β integral method and the ...
Cong Gao   +5 more
doaj   +1 more source

Nonlinear Dynamics of Pilot-Operated Hydraulic Control Valves for Submersible Based on Improved Newmark- Integration Method

open access: yesIEEE Access, 2023
Submersible is an important equipment for the development and utilization of marine resources. The pilot-operated hydraulic control valves have an extremely wide range of applications in the buoyancy adjustment system of submersibles.
Shuxun Li   +3 more
doaj   +1 more source

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