Topology optimization of piezoelectric curved shell structures with active control for reducing random vibration
Sign Up to like & getrecommendations! Published in 2019 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-019-02423-3
Abstract: This paper investigates topology optimization of the surface electrode coverage on piezoelectric sensor/actuator layers attached to a curved shell structure subjected to stationary random force excitation, with the aim to minimize the random vibration response… read more here.
Keywords: curved shell; topology; optimization; active control ... See more keywords
Dynamic Response Characteristics and Fatigue Life Prediction of Printed Circuit Boards for Random Vibration Environments
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Failure Analysis and Prevention"
DOI: 10.1007/s11668-020-00895-w
Abstract: The study focuses on the analysis of the surface mounted components of the printed circuit boards (PCB) under random vibration loading. The surface mount technology used for the study involves ball grid arrays. In order… read more here.
Keywords: printed circuit; analysis; fatigue life; random vibration ... See more keywords
Random vibration analysis of axially compressed cylindrical shells under turbulent boundary layer in a symplectic system
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2017.06.018
Abstract: A random vibration analysis of an axially compressed cylindrical shell under a turbulent boundary layer (TBL) is presented in the symplectic duality system. By expressing the cross power spectral density (PSD) of the TBL as… read more here.
Keywords: vibration analysis; system; compressed cylindrical; axially compressed ... See more keywords
Failure and failure characterization of QFP package interconnect structure under random vibration condition
Sign Up to like & getrecommendations! Published in 2018 at "Microelectronics Reliability"
DOI: 10.1016/j.microrel.2018.08.011
Abstract: Abstract Electronics installed in modern complex systems, like automotive and aircraft systems, are mainly subjected to mechanical vibrations in applications. The interconnection structure, as the mechanical fixing and electrical interconnection between the electrical device and… read more here.
Keywords: interconnect structure; failure; random vibration; structure ... See more keywords
Random vibration fatigue life analysis of electronic packages by analytical solutions and Taguchi method
Sign Up to like & getrecommendations! Published in 2019 at "Microelectronics Reliability"
DOI: 10.1016/j.microrel.2019.113475
Abstract: Abstract This paper provides an analytical solution to solve for the electronic assembly random vibration problem. Additionally, this paper employs Taguchi method to investigate the fatigue life performance of electronic vehicles subjected to random vibrations… read more here.
Keywords: taguchi method; solution; fatigue life; random vibration ... See more keywords
Random vibration of train-track-ground system with a poroelastic interlayer in the subsoil
Sign Up to like & getrecommendations! Published in 2019 at "Soil Dynamics and Earthquake Engineering"
DOI: 10.1016/j.soildyn.2019.01.025
Abstract: Abstract A semi-analytical train-track-ground model considering rail irregularity is developed to study random vibration of the system. The ground is modeled as a layered half-space comprising two elastic layers, a poroelastic interlayer and a semi-infinite… read more here.
Keywords: track ground; system; ground; random vibration ... See more keywords
Random vibration of pretensioned rectangular membrane structures under heavy rainfall excitation
Sign Up to like & getrecommendations! Published in 2021 at "Thin-Walled Structures"
DOI: 10.1016/j.tws.2021.107856
Abstract: Abstract This paper analytically and experimentally investigates the random vibration problem of pretensioned rectangular membrane structures under heavy rainfall. An analytical model is firstly proposed. In this model, the heavy rainfall is modeled as a… read more here.
Keywords: pretensioned rectangular; random vibration; heavy rainfall; membrane structures ... See more keywords
Multiple-input multiple-output non-stationary non-Gaussian random vibration control by inverse system method
Sign Up to like & getrecommendations! Published in 2019 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2019.01.055
Abstract: Abstract This paper investigates the control method for multi-input multi-output non-stationary non-Gaussian random vibration test with the specified references composed of stationary power spectra, moving root mean square distributions and moving kurtosis distributions. The objective… read more here.
Keywords: non stationary; stationary non; vibration; random vibration ... See more keywords
A hybrid method for analysing stationary random vibration of structures with uncertain parameters
Sign Up to like & getrecommendations! Published in 2022 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2021.108259
Abstract: Abstract This paper presents a new hybrid polynomial dimensional decomposition-pseudo excitation method (PDD-PEM) for analysing stationary random vibration of structures with uncertain parameters. The power spectral density (PSD) of the structural random response is expressed… read more here.
Keywords: vibration structures; stationary random; method; analysing stationary ... See more keywords
Random vibration analysis procedure of railway vehicle
Sign Up to like & getrecommendations! Published in 2019 at "Vehicle System Dynamics"
DOI: 10.1080/00423114.2019.1656813
Abstract: In this paper, the development of railway vehicles random analysis procedure (RVRAP) based on the pseudo-excitation theory is described in detail; the procedure helps predict the structural random response of railway vehicle. As traditional finite… read more here.
Keywords: railway vehicle; vibration; analysis; vehicle ... See more keywords
Parallel Calculation of Random Vibration for Reentry Vehicles in Fluctuating Pressure Environment
Sign Up to like & getrecommendations! Published in 2021 at "Shock and Vibration"
DOI: 10.1155/2021/6864973
Abstract: The reentry vehicle is in an unconstrained free-flight state during the reentry process. The pressure of air fluctuations acts on the external surface of the vehicle and induces a random vibration environment with a wide-frequency… read more here.
Keywords: reentry; vibration; calculation; parallel calculation ... See more keywords