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RISVibration Control of Horizontally Excited Structures Utilizing Internal Resonance of Liquid Sloshing in Nearly Square Tanks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Passive control of vibrations in an elastic structure subjected to horizontal, harmonic excitation by utilizing a nearly square liquid tank is investigated. When the natural frequency ratio 1:1:1 is satisfied among the ...
Modal Analysis for Localization of Harmonic Oscillations in Nonlinear Oscillator Arrays
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: When a nonlinear oscillator array is harmonically excited, specific oscillators in the array may oscillate with large amplitudes. This is known as the localization phenomenon; however, the reason for localization has not ...
Modal Analysis for Localization in Multiple Nonlinear Tuned Mass Dampers Installed on a Structure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Localization may occur in systems where multiple nonlinear units are coupled with each other. Additionally, localization may occur in multiple nonlinear tuned mass dampers (TMDs) installed on a structure subjected to ...
Passive Vibration Control of Structures Subjected to Random Ground Excitation Utilizing Sloshing in Rectangular Tanks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Passive vibration control of an elastic structure carrying a rectangular tank, partially filled with liquid, is investigated when the structure is subjected to horizontal, narrowband, random ground excitation. The modal ...
Intrinsic Localized Modes of Harmonic Oscillations in Pendulum Arrays Subjected to Horizontal Excitation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The behavior of intrinsic localized modes (ILMs) is investigated for an array with N pendula which are connected with each other by weak, linear springs when the array is subjected to horizontal, sinusoidal excitation. In ...
Vibration Control of Two-Degree-of-Freedom Structures Utilizing Sloshing in Nearly Square Tanks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper investigates the vibration control of a towerlike structure with degrees of freedom utilizing a square or nearly square tuned liquid damper (TLD) when the structure is subjected to horizontal, harmonic excitation. ...
Intrinsic Localized Modes of Harmonic Oscillations in Nonlinear Oscillator Arrays
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Intrinsic localized modes (ILMs) are investigated in an array with N Duffing oscillators that are weakly coupled with each other when each oscillator is subjected to sinusoidal excitation. The purpose of this study is to ...
Parametric Instability and Localization of Vibrations in Three-Blade Wind Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Nonlinear vibration characteristics of three-blade wind turbines are theoretically investigated. The wind turbine is modeled as a coupled system, consisting of a flexible tower with two degrees-of-freedom (2DOF), and three ...
Intrinsic Localized Modes of Principal Parametric Resonances in Pendulum Arrays Subjected to Vertical Excitation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Intrinsic localized modes (ILMs) are investigated in an Npendulum array subjected to vertical harmonic excitation. The pendula behave nonlinearly and are coupled with each other because they are connected by torsional, ...