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Power Spectrum Analysis and Optimization Design of Nonlinear Energy Sink Under Random Excitation
PurposeThe vibration problem of nonlinear structures is very challenging, especially for random excitations.
MethodsThis paper investigates the...
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Topology optimization design of frequency- and temperature-dependent viscoelastic shell structures under non-stationary random excitation
This paper investigates the topology optimization design of viscoelastic planar shell structures to minimize the random vibration intensity under...
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Influence of random road excitation on DCT vehicle dynamic characteristics during starting and shifting
Road excitation is the basic input of vehicle vibration, which greatly impacts on vehicle ride comfort. In addition, it can cause vertical vibration...
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Modelling and simulation of driving dynamics of wheeled launch system under random road surface excitation
Modelling and simulation of driving dynamics is the prerequisite and basis for the dynamics performance and test design of the wheeled launch system...
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Parametric Vibration Model and Response Analysis of Cable–Beam Coupling Under Random Excitation
ObjectiveConsidering the influence of cable geometric nonlinearity, inclination angle, and the synergistic vibration of the bridge deck beam, the...
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Nonlinear damper interconnecting adjoining similar structures subjected to random excitation
As one damper controls the response of two adjoining interconnected structures, the interconnecting adjoining structures concept turns into an...
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Response of train-bridge system under intensive seismic excitation by random vibration method
Earthquake is a kind of sudden and destructive random excitation in nature. It is significant to determine the probability distribution...
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Averaging-Based Characteristics of the Response Induced by Combined Random and Harmonic Excitation
Slender engineered structures are sensitive to unwanted vibration effects mainly due to their soft nature. With respect to physical laws, the...
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Investigation of Random Vibration Response of Journal Bearings Under Turbulent Boundary Layer Excitation
The internal turbulent boundary layer (TBL) excitation of journal bearings is a significant excitation source to induce random vibration. The random...
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Minimization of the Primary Structure Response Under Random Excitation Using High-Performance Passive Tuned Mass Damper Ineter Control Configurations
PurposeTwo passive tuned mass damper inerter control configurations TMDI-I and TMDI-II are used in this paper to minimize the response of the primary...
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Array Excitation Error Analysis
The array pattern synthesis requires precise excitation of each antenna element by various synthesis techniques to obtain desired array pattern...
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Hybrid N-way Partial Least Squares and Random Forest Model for Brick Tea Identification Based on Excitation–emission Matrix Fluorescence Spectroscopy
Excitation-emission matrix fluorescence spectroscopy coupled with a hybrid N-way partial least squares and random forest (NPLS-RF) model was proposed...
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Random Vibration Analysis of a Vehicle–Bridge Interaction System Subjected to Traveling Seismic Ground Motions Using Pseudo-excitation Method
For long, multi-span bridges, traveling seismic waves arrive at different bridge support points at different times. To study this difference, random...
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Excitation-Induced Coherent Effects
The theoretical description of the coherent interactions in semiconductors is often successfully described by mean-field theories. Here the Coulomb...
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Method of non-stationary random vibration reliability of hydro-turbine generator unit
The hydraulic excitation acting on a hydro-turbine generator unit exhibits obvious non-stationary characteristics. In order to account for these...
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Probabilistic analysis of nonlinear oscillators under correlated multi-power velocity multiplicative excitation and additive excitation
This paper adopts an optimization-oriented exponential-polynomial-closure (OEPC) approach for conducting probabilistic analyses of oscillators under...
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On Random Vibration Based Robust Damage Detection for a Population of Composite Aerostructures Under Variable and Non-measurable Excitation
The problem of random vibration response based robust and unsupervised damage detection for a population of composite aerostructures is addressed....
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Topology optimization of non-linear viscous dampers for energy-dissipating structures subjected to non-stationary random seismic excitation
Non-linear fluid viscous dampers have found widespread applications in engineering practice for seismic mitigation of civil structures. Topology...
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Suppressing random response of structure via inertial nonlinear energy sink
Stochastic excitations inevitably pose a significant threat to the safety and reliability of structures, making it imperative to develop stochastic...
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Modal Identification of a Turbine Blade with a Curved Surface Under Random Excitation by a 3D CSLDV System and the Extended Demodulation Method
This study develops a novel general-purpose 3D continuously scanning laser Doppler vibrometer (CSLDV) system to measure 3D full-field vibration of a...