Journal of Vibration and Acoustics: Recent submissions
Now showing items 221-240 of 3913
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Nonlinear Random Vibrations Using Second-Order Adjoint and Projected Differentiation Methods
(The American Society of Mechanical Engineers (ASME), 2022)This paper proposes a new computationally efficient methodology for random vibrations of nonlinear vibratory systems using a time-dependent second-order adjoint variable (AV2) method and a second-order projected differentiation ... -
The Response of an Inerter-Based Dynamic Vibration Absorber With a Parametrically Excited Centrifugal Pendulum
(The American Society of Mechanical Engineers (ASME), 2022)The inerter has been integrated into various vibration mitigation devices, whose mass amplification effect could enhance the suppression capabilities of these devices. In the current study, the inerter is integrated with ... -
Prognostics of Gear Manufacturing Errors for Planetary Gear Systems Based on Power Flow Theory
(The American Society of Mechanical Engineers (ASME), 2022)Gear manufacturing errors are key parameters in planetary gear trains and have effects on load sharing, tooth stress, and so on. Accurate estimation of manufacturing errors can help monitor the conditions of planetary gear ... -
Breaking the Reciprocity in Acoustic Metamaterials by Active Eigen-Structure Control Strategy
(The American Society of Mechanical Engineers (ASME), 2022)The theory governing breaking the reciprocity in acoustic metamaterials by using active eigen-structure control strategy is presented. Such theoretical foundation aims at demonstrating the ability of introducing controlled ... -
Design Method of Tuned Mass Damper by Linear-Matrix-Inequality-Based Robust Control Theory for Seismic Excitation
(The American Society of Mechanical Engineers (ASME), 2022)This paper presents a new design method based on a robust-control strategy in the form of a linear matrix inequality (LMI) approach for a passive tuned mass damper (TMD), which is one of the common passive-control devices ... -
A New Moving Kirchhoff–Love Plate Element for Dynamic Analysis of Vehicle–Pavement Interaction
(The American Society of Mechanical Engineers (ASME), 2022)A new moving Kirchhoff–Love plate element is developed in this work to accurately and efficiently calculate the dynamic response of vehicle–pavement interaction. Since the vehicle can only affect a small region nearby, the ... -
Nonlinear Modeling of Series-Type Pendulum Tuned Mass Damper-Tuned Liquid Damper
(The American Society of Mechanical Engineers (ASME), 2022)The nonlinear response of a series-type pendulum tuned mass damper-tuned liquid damper (TMD-TLD) system is investigated in this study. The TLD is mounted on the pendulum TMD in series to remove the need for costly viscous ... -
Power Efficient Active Vibration Control Via Twin Rotor Damper in the Presence of Gravity
(The American Society of Mechanical Engineers (ASME), 2022)The twin rotor damper (TRD) is a device which primarily utilizes centrifugal forces for active vibration control. In its basic form, the TRD consists of two eccentric control masses rotating about two parallel axes. In a ... -
Hybrid Mass Damper: Theoretical and Experimental Power Flow Analysis
(The American Society of Mechanical Engineers (ASME), 2022)In this paper, a hybrid mass damper (HMD) and its hyperstability due to a power flow approach are studied. The HMD proposed combines an active control system with an optimal passive device. The initial passive system is ... -
How Intrusive Are Accelerometers for Measuring Nonlinear Vibrations? A Case Study on a Compressor Blade Subjected to Vibro-Impact Dynamics
(The American Society of Mechanical Engineers (ASME), 2022)A characteristic feature of nonlinear vibrations is the energy transfer among different parts or modes of a mechanical system. Moreover, nonlinear vibrations are often non-periodic, even at steady state. To analyze these ... -
Experimental and Theoretical Investigation of Vibro-impact Motions of a Gear Pair Subjected to Torque Fluctuations to Define a Rattle Noise Severity Index
(The American Society of Mechanical Engineers (ASME), 2022)Vibro-impacts are common in various automotive engine and transmission gear applications. They are known to cause excessive noise levels, often called rattling or hammering. Input and output fluctuations acting on such ... -
Acoustic Wave Splitting and Wave Trapping Designs
(The American Society of Mechanical Engineers (ASME), 2022)Acoustic metasurfaces use the phase gradient of a single layer to reflect/refract waves in any direction. This study shows that other than wave steering, acoustic metasurfaces can exhibit wave splitting or trapping through ... -
Post-Processing Deflectometry Grid Images Using Particle Image Velocimetry Analysis
(The American Society of Mechanical Engineers (ASME), 2021)Deflectometry is a full-field optical technique for surface slope measurement based on recording the deformation of a grid image. A hybrid method is explored in which the grid images from a deflectometry measurement are ... -
Acoustic Performance of a Metascreen-Based Coating for Maritime Applications
(The American Society of Mechanical Engineers (ASME), 2022)Time- and frequency-domain numerical models are developed to investigate the acoustic performance of metascreen-based coatings for maritime applications. The coating designs are composed of periodic air-filled cavities ... -
Investigation on Vibro-Impacts of Driveline System Based on a Nonlinear Clearance Element With Time-Varying Stiffness and Oil-Squeeze Damping
(The American Society of Mechanical Engineers (ASME), 2022)The transient vibro-impacts induced by clearance between the connected rotors in driveline system easily causes serious transient noise and vibration, especially between the gear teeth with backlash. To analyze the transient ... -
Resonant Ultrasound Spectroscopy: Sensitivity Analysis for Anisotropic Materials With Hexagonal Symmetry
(The American Society of Mechanical Engineers (ASME), 2022)Resonance ultrasound spectroscopy (RUS) is a nondestructive technique for evaluating elastic and an-elastic material properties. The frequencies of free vibrations for a carefully crafted sample are measured, and material ... -
Interrogating the Lead-Up to a Critical Speed in Rotordynamics
(The American Society of Mechanical Engineers (ASME), 2022)This paper presents a new approach to predicting an incipient critical speed in a rotating shaft. Based on the classical governing equations of motion for an eccentric mass on a flexible shaft (the Jeffcott rotor model), ... -
New Straightforward Benchmark Solutions for Bending and Free Vibration of Clamped Anisotropic Rectangular Thin Plates
(The American Society of Mechanical Engineers (ASME), 2021)This study presents new straightforward benchmark solutions for bending and free vibration of clamped anisotropic rectangular thin plates by a double finite integral transform method. Being different from the previous ... -
Detection of Transients in Vibration Signals Using Reverse Dispersion Entropy
(The American Society of Mechanical Engineers (ASME), 2021)In this work, the reverse dispersion entropy (RDE) is used to process the squared envelope (SE) signal in order to detect nonstationarites. Based on the idea of spectral kurtosis (SK) and kurtogram, the squared envelope ... -
Mechanism of Band Gaps in Self-Similar Triangular Lattice With Koch Fractal
(The American Society of Mechanical Engineers (ASME), 2021)Fractal lattice is a kind of lattices with multifunctional physical characteristics and superior mechanical properties. The wave propagation of the triangular lattice with Koch fractal is calculated by the finite element ...