Topics: Damping , Deflection , Dynamic response , Pavement live loads , Plates (structures) , Stress , Transients (Dynamics) , Vibration , Spectra (Spectroscopy)

Static Nodes of an Axially Moving String With Time-Varying Supports

Lei Lu, Xiao-Dong Yang, Wei Zhang

J. Vib. Acoust. August 2020, 142(4): 041003. doi: https://doi.org/10.1115/1.4046486

Abstract

View articletitled, Static Nodes of an Axially Moving String With Time-Varying Supports

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Topics: Excitation , String , Resonance , Vibration

Mechanical Energy and Equivalent Viscous Damping for Fractional Zener Oscillator

Jian Yuan, Song Gao, Guozhong Xiu, Liying Wang

J. Vib. Acoust. August 2020, 142(4): 041004. doi: https://doi.org/10.1115/1.4046573

Abstract

View articletitled, Mechanical Energy and Equivalent Viscous Damping for Fractional Zener Oscillator

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Topics: Damping , Differential equations , Stiffness

The Static Instability Characteristics of Labyrinth Seals: Experiments and Computational Fluid Dynamics Verification

Wanfu Zhang, Kai Ma, Hao Cao, Tengxi Wang, Jiangang Yang, Chun Li

J. Vib. Acoust. August 2020, 142(4): 041005. doi: https://doi.org/10.1115/1.4046572

Abstract

View articletitled, The Static Instability Characteristics of Labyrinth Seals: Experiments and Computational Fluid Dynamics Verification

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Topics: Clearances (Engineering) , Computational fluid dynamics , Fluids , Pressure , Rotors , Stiffness , Stators

Determination of Coupling Loss Factors Between Two Plates Joined at a Right Angle Using the Wave Approach

Vinayak H. Patil, Dhanesh N. Manik

J. Vib. Acoust. August 2020, 142(4): 041006. doi: https://doi.org/10.1115/1.4046679

Abstract

View articletitled, Determination of Coupling Loss Factors Between Two Plates Joined at a Right Angle Using the Wave Approach

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Topics: Damping , Longitudinal waves , Plates (structures) , Reflection , Stiffness , Waves , Density

Multi-Direction Vibration Isolator for Momentum Wheel Assemblies

Ge Yan, Hong-Xiang Zou, Han Yan, Ting Tan, Sen Wang, Wen-Ming Zhang, Zhi-Ke Peng, Guang Meng

J. Vib. Acoust. August 2020, 142(4): 041007. doi: https://doi.org/10.1115/1.4046680

Abstract

View articletitled, Multi-Direction Vibration Isolator for Momentum Wheel Assemblies

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Topics: Design , Momentum , Stiffness , Vibration , Wheels , Vibration isolation , Excitation , Satellites , Rotation , Vibration isolators

Experimental Characterization of the Electrostatic Levitation Force in MEMS Transducers

Meysam Daeichin, Ronald N. Miles, Shahrzad Towfighian

J. Vib. Acoust. August 2020, 142(4): 041008. doi: https://doi.org/10.1115/1.4046625

Abstract

View articletitled, Experimental Characterization of the Electrostatic Levitation Force in MEMS Transducers

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Topics: Electrodes , Levitation , Microelectromechanical systems , Transducers , Displacement , Resonance , Excitation , Stress , Damping , Manufacturing

Optimized Perforation Schemes in Railway Wheels Toward Acoustic Radiation Mitigation

J. Gutiérrez-Gil, X. Garcia-Andrés, J. Martínez-Casas, E. Nadal, F. D. Denia

J. Vib. Acoust. August 2020, 142(4): 041009. doi: https://doi.org/10.1115/1.4046681

Abstract

View articletitled, Optimized Perforation Schemes in Railway Wheels Toward Acoustic Radiation Mitigation

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Topics: Acoustics , Radiation (Physics) , Wheels , Optimization , Mode shapes , Rail wheels , Noise (Sound)

Modal and Forced Response Analysis of Vehicle Systems With Latent Vibration Modes Due to Hydraulic Mounts

Hyeon Gyu Sakong, Gyunchul Hur, Kwang-Joon Kim, Wonju Jeon

J. Vib. Acoust. August 2020, 142(4): 041010. doi: https://doi.org/10.1115/1.4046682

Abstract

View articletitled, Modal and Forced Response Analysis of Vehicle Systems With Latent Vibration Modes Due to Hydraulic Mounts

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Topics: Modal analysis , Modeling , Stiffness , Fluids , Excitation , Degrees of freedom , Vibration , Mode shapes

System Parameter Optimization for a Frequency-Up-Conversion Piezoelectric Energy Harvester With Backward Mechanical-Electric Coupling Effect

Fengxia Wang

J. Vib. Acoust. August 2020, 142(4): 041011. doi: https://doi.org/10.1115/1.4046683

Abstract

View articletitled, System Parameter Optimization for a Frequency-Up-Conversion Piezoelectric Energy Harvester With Backward Mechanical-Electric Coupling Effect

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Topics: Damping , Dynamics (Mechanics) , Energy harvesting , Excitation , Steady state , Displacement

Approaches to Predicting the Vertical Transmissibility of a Suspension Seat With a Seated Subject

Jun Wu, Meihuan Wang, Yi Qiu

J. Vib. Acoust. August 2020, 142(4): 041012. doi: https://doi.org/10.1115/1.4046748

Abstract

View articletitled, Approaches to Predicting the Vertical Transmissibility of a Suspension Seat With a Seated Subject

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Topics: Modeling , Stiffness , Vibration , Dynamics (Mechanics)

Experimental and Simulation Study on the Response Characteristics of Engine Blades Under Thermo-Acoustic-Vibration Load

Shouqing Huang, Zemin Yao, Shouwen Liu, Jiang Yang, Dazhi Liu

J. Vib. Acoust. August 2020, 142(4): 041013. doi: https://doi.org/10.1115/1.4046750

Abstract

View articletitled, Experimental and Simulation Study on the Response Characteristics of Engine Blades Under Thermo-Acoustic-Vibration Load

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Topics: Acoustics , Blades , Simulation , Stress , Vibration , Frequency response

Experimental Characterization of High-Amplitude Fluid–Structure Interaction of a Flexible Hydrofoil at High Reynolds Number

Brian R. Elbing, Steven D. Young, Michael L. Jonson, Robert L. Campbell, Brent A. Craven, Robert F. Kunz, Kevin L. Koudela

J. Vib. Acoust. August 2020, 142(4): 041014. doi: https://doi.org/10.1115/1.4046751

Abstract

View articletitled, Experimental Characterization of High-Amplitude Fluid–Structure Interaction of a Flexible Hydrofoil at High Reynolds Number

Supplementary data

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Topics: Cylinders , Flow (Dynamics) , Fluid structure interaction , Pressure , Reynolds number , Wakes , Deflection , Chords (Trusses) , Stress , Turbulence

Technical Brief

Calibration and Balancing of Multiple Tuned Mass Absorbers for Damping of Coupled Bending-Torsion Beam Vibrations

David Hoffmeyer, Jan Høgsberg

J. Vib. Acoust. August 2020, 142(4): 044501. doi: https://doi.org/10.1115/1.4046752

Abstract

View articletitled, Calibration and Balancing of Multiple Tuned Mass Absorbers for Damping of Coupled Bending-Torsion Beam Vibrations

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Topics: Calibration , Damping , Vibration , Stiffness , Torsion

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Research Papers

Numerical Modeling of Static and Rotordynamic Characteristics for Three Types of Helically Grooved Liquid Annular Seals

Dynamic Response of Fractionally Damped Viscoelastic Plates Subjected to a Moving Point Load

Static Nodes of an Axially Moving String With Time-Varying Supports

Mechanical Energy and Equivalent Viscous Damping for Fractional Zener Oscillator

The Static Instability Characteristics of Labyrinth Seals: Experiments and Computational Fluid Dynamics Verification

Determination of Coupling Loss Factors Between Two Plates Joined at a Right Angle Using the Wave Approach

Multi-Direction Vibration Isolator for Momentum Wheel Assemblies

Experimental Characterization of the Electrostatic Levitation Force in MEMS Transducers

Optimized Perforation Schemes in Railway Wheels Toward Acoustic Radiation Mitigation

Modal and Forced Response Analysis of Vehicle Systems With Latent Vibration Modes Due to Hydraulic Mounts

System Parameter Optimization for a Frequency-Up-Conversion Piezoelectric Energy Harvester With Backward Mechanical-Electric Coupling Effect

Approaches to Predicting the Vertical Transmissibility of a Suspension Seat With a Seated Subject

Experimental and Simulation Study on the Response Characteristics of Engine Blades Under Thermo-Acoustic-Vibration Load

Experimental Characterization of High-Amplitude Fluid–Structure Interaction of a Flexible Hydrofoil at High Reynolds Number

Technical Brief

Calibration and Balancing of Multiple Tuned Mass Absorbers for Damping of Coupled Bending-Torsion Beam Vibrations

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