Showing papers in "Journal of Sound and Vibration in 2001"

TL;DR: In this article, a local radial point interpolation method (LRPIM) is presented to deal with boundary value problems for free vibration analyses of two-dimensional solids, where local weak forms are developed using weighted residual method locally from the partial differential equation of free vibration.

TL;DR: The ICBEN Community Response to Noise (CRO2N) survey as discussed by the authors was the first attempt to measure community response to noise in nine languages for which a standardized empirical study protocol has been followed to select annoyance scale words.

TL;DR: In this article, a numerical algorithm based on the harmonic balance method was proposed to calculate the periodic response of a non-linear system under periodic excitation, and the algorithm also calculated the stability of the periodic solutions found, marks turning and bifurcation points, and follows a solution branch over varying system parameters via arc-length continuation.

TL;DR: In this paper, a continuous cracked beam vibration theory is used for the prediction of changes in transverse vibration of a simply supported beam with a breathing crack, where the equation of motion and the boundary conditions of the cracked beam considered as a one-dimensional continuum were used.

TL;DR: In this article, the authors used principal component analysis (PCA)-based data reduction technique to the measured FRFs, represented by their projection onto the most significant principal components, were then used as the ANN input variables instead of the raw FRF data.

TL;DR: In this paper, a method is presented to obtain a non-proportional (non-viscous) viscous damping matrix from complex modes and complex natural frequencies.

TL;DR: In this article, the authors employ the method of proper orthogonal decomposition (POD), also known as the Karhunen-Loeve (K-L) method, to extract dominant coherent structures (modes that approximate the system behavior) from time-series data.

TL;DR: In this article, the vibration analysis of cylindrical shells using wave propagation method is presented, and the results obtained using the method have been evaluated against those available in the literature.

TL;DR: In this article, free field vibrations and track response have been measured during the passage of a Thalys HST at speeds varying between 223 and 314 km/h during homologation tests of the HST track between Brussels and Paris.

TL;DR: In this article, an active suspension system for a quarter car model using the concept of sliding mode control is presented. But the active control is derived by the equivalent control and switching function where the sliding surface is obtained by using Linear Quadratic Control (LQ control) theory.

TL;DR: In this article, a method is introduced which allows one to reconstruct the transfer matrix of an acoustic two-port from an instationary computation of the response of the two ports to an imposed perturbation of the steady state.

TL;DR: In this article, the problem of determining the location of a crack in a beam of varying depth when the lowest three natural frequencies of the cracked beam are known is solved using the finite element approach.

TL;DR: In this article, the authors deal with the identification of a single crack in a vibrating rod based on the knowledge of the damage-induced shifts in a pair of natural frequencies.

TL;DR: In this article, the authors explored the utility of a discrete singular convolution algorithm for vibration analysis and selected a number of different realizations of singular convolutions kernels to illustrate the present algorithm.

TL;DR: In this paper, a new method for natural frequency analysis of beam with an arbitrary number of cracks is developed on the bases of the transfer matrix method and rotational spring model of crack.

TL;DR: In this article, it was found by direct numerical simulation that sound waves at high intensity can induce vortex shedding at the mouths of the resonators of an acoustic liner, which is a dominant dissipation mechanism of resonant acoustic liners.

TL;DR: In this paper, a simple two-degree-of-freedom linear model is used to derive a number of analytical formulae describing the dynamic behaviour of passively suspended vehicles running on randomly profiled roads.

TL;DR: In this article, a new technique based on a spatial windowing of plane waves is presented in order to take into account the finite size of a plane structure in sound radiation and sound transmission calculation.

TL;DR: In this paper, a non-linearly coupled multi-modal response model is proposed for modeling large deflection beam response involving multiple vibration modes, which can be applied to the case of a homogeneous isotropic beam.

TL;DR: In this article, the stiffness and mass matrices of a rotating twisted and tapered beam element were derived and the effects of shear deformation and rotary inertia were also considered in deriving the elemental matrices.

TL;DR: In this paper, a set of fundamental dynamic equations of a one-dimensional higher order theory for laminated composite beams subjected to axial stress is derived through Hamilton's principle, which can predict the natural frequencies, buckling stresses and interlaminar stresses of multilayered composite beams as accurately as three-dimensional elasticity solutions.

TL;DR: In this article, the authors derived the governing equations for linear vibration of a rotating Timoshenko beam by the d&Alembert principle and the virtual work principle and used the consistent linearization of the fully geometrically non-linear beam theory to solve the natural frequency of the rotating beam.

TL;DR: In this article, a mesh-free method is presented to analyze the static deflection and the natural frequencies of thin plates of complicated shape using moving least squares (MLS) interpolation.

TL;DR: In this article, a quadratic isoparametric finite element formulation based on the first order shear deformation theory is presented for the free vibration and transient response analysis of multiple delaminated doubly curved composite shells subjected to a hygrothermal environment.

TL;DR: In this paper, the authors present analytical solutions for the free vibration analysis of laminated composite and sandwich plates based on two higher order re,ned theories already developed by the,rst author for which analytical formulations and solutions were not reported earlier in the literature.

TL;DR: In this article, a new analytical model of a gear pair with time varying mesh stiffness, viscous damping and sliding friction parameters is presented, where the excitation consists of three separate terms, namely the unloaded transmission error, time-invariant external torque and the periodically varying sliding friction force.

TL;DR: In this paper, an alternative framework for analyzing bearing vibration signals, based on cyclostationary analysis, is proposed, being able to model, additionally, signals with periodically varying statistics, is better able to exhibit the underlying physical concepts of the modulation mechanism present in the vibration response of bearings.

TL;DR: In this article, the authors presented linear sensors with two entries whose signals are influenced by both pressure and volume velocity, and classified them according to the way the volume velocity is determined or controlled.