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Hartree–Fock Mean Field Calculations with Random Phase Approximation for 140Ce Nuclei Structure
The fundamental technique for calculating excited states of nuclei over the Hartree–Fock ground state, as well as for energy density functionals, is...
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Dynamics of a delayed Duffing-type energy harvester under narrow-band random excitation
In this paper, a Duffing-type energy harvester with time delay circuit under narrow-band random excitation is studied by using the method of multiple...
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Measured dynamic load distribution within the in situ axlebox bearing of high-speed trains under polygonal wheel–rail excitation
The dynamic load distribution within in-service axlebox bearings of high-speed trains is crucial for the fatigue reliability assessment and forward...
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Probabilistic description of extreme oscillations and reliability analysis in rolling motion under stochastic excitation
Large-amplitude rolling motions, also regarded as extreme oscillations, are a great threat to marine navigation, which may lead to capsizing in ship...
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Vibration suppression of multi-frequency excitation using cam-roller nonlinear energy sink
This paper discusses the application of a cam-roller nonlinear energy sink (CRNES) to suppress the vibrations induced by multi-frequency excitation....
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A data assimilation method to track excitation-inhibition balance change using scalp EEG
Recent neuroscience studies have suggested that controlling the excitation and inhibition (E/I) balance is essential for maintaining normal brain...
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Model reduction for an internally damped n-particle chain in a potential well under polyharmonic excitation
The study focuses on the model reduction of an internally damped chain of particles confined within a weakening potential well subjected to...
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Dynamical reliability of the stochastic power systems with discrete random variability
In this paper a novel method is presented to analyze the dynamical reliability of the stochastic power systems with discrete random variability. It...
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The level-crossing problem of a weakly damped particle in quadratic potential well under harmonic excitation
Escape and level-crossing are fundamental and closely related problems in transient dynamics. Often, when a particle reaches a critical displacement,...
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Condition Assessment of Railway Bridge Sliding Bearing Using Alternating Vehicle Longitudinal Excitation
The identification of maximum bearing friction is critical to working performance assessment of bridge sliding bearings. The friction-displacement...
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Dynamic Stress Response and Fatigue Life of Cantilever Beam Under Non-Gaussian Base Excitation
The stress response of cantilever beam to non-Gaussian random base excitation is investigated. First, the statistical properties and spectral...
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Dynamic Modelling and Vibration Analysis of Axlebox Bearings Excited by Internal Clearance and External Random Excitations
Axlebox bearings are vital components of high-speed train transmission systems. The vibration characteristics of these bearings are influenced by...
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Design and mechanical properties of metal rubber secondary multidirectional vibration isolation system under random vibration
A secondary multidirectional vibration isolation system (MR-SMDIS) was designed by utilizing the multidirectional vibration isolation characteristics...
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Non-Gaussian Random Vibration Accelerated Test
A novel non-Gaussian random vibration accelerated test methodology was proposed, which can significantly reduce the test time and the sample size....
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Multigrid reduced-order topology optimization scheme for structures subjected to stationary random excitations
Topology optimization methods for structures subjected to random excitations are difficult to widely apply in aeronautic and aerospace engineering,...
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Data-based deep learning for random vibration fatigue life prediction of car seat frame
Seats are important components in automobiles, susceptible to vibration and fatigue caused by random road spectra. To address this issue, we...
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Vibration suppression and stability analysis of a beam at large amplitude excitation using a two-degree-of-freedom nonlinear energy sink
A two-degree-of-freedom (TDOF) nonlinear energy sink (NES) is proposed to suppress the vibration of a simply supported beam subjected to a large...
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Study of gear pair vibration caused by random manufacturing errors
The surface quality and manufacturing errors of gear teeth directly affect their noise and vibration during operation. These errors depend on the...
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Modelling of fatigue damage in granitic rock by piezoelectric effect in quartz phase due to alternating current excitation
This paper considers numerical modelling of hypothetical fatigue damage in granitic rock by alternating current (AC) excitation of piezoelectric...
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Two-step data-driven identification of probability densities for random vibrating systems with implicit Hamiltonian functions
Nonlinear random vibration is a common phenomenon, and predicting its probability density is an essential component of vibration engineering. This...
