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RISOn the Active-Passive Hybrid Control Actions of Structures With Active Constrained Layer Treatments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper is concerned with the analysis of active and passive hybrid actions in structures with active constrained damping layers (ACL). A system model is derived via Hamilton’s Principle, ...
Fabrication, Testing, and Modeling of Carbon Nanotube Composites for Vibration Damping
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this research, carbon nanotube (CNT) composite with epoxy resin is fabricated. The dynamic properties of the nanotube composites are evaluated. A testing apparatus for obtaining dynamic ...
Characteristics of Enhanced Active Constrained Layer Damping Treatments With Edge Elements, Part 1: Finite Element Model Development and Validation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper is concerned with the enhanced active constrained layer (EACL) damping treatment with edge elements. A finite element time-domain-based model (FEM) is developed for the beam structure ...
Characteristics of Enhanced Active Constrained Layer Damping Treatments With Edge Elements, Part 2: System Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents some important characteristics of enhanced active constrained layer damping (EACL) treatments for vibration controls. Specific interests are on understanding how the edge elements ...
Damping Characteristics of Beams with Enhanced Self-Sensing Active Constrained Layer Treatments Under Various Boundary Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, an energy-based approach is developed to investigate damping characteristics of beams with enhanced self-sensing active constrained layer (ESACL) damping treatments. Analytical ...
Analysis of Axial Cracks in Hollow Cylinders Subjected to Thermal Shock by Using the Thermal Weight Function Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, stress intensity factors for axial cracks in hollow cylinders subjected to thermal shock are determined by using the thermal weight function method. The thermal weight function ...
Modeling of Granular Particle Damping Using Multiphase Flow Theory of Gas-Particle
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A theoretical model based on multiphase flow theory of gas-particle is developed to evaluate the granular particle damping characteristics. Expressions for the drag forces of the equivalent viscous ...
Variable Speed Control of Wind Turbines Via Memory-Based Firing Angle Sequence Adjustment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Maximum electric power extraction out of available wind power is directly linked to advanced variable speed wind turbine control. The paper presents a memory-based method for variable speed ...
Vortex-Induced Vibration Performance and Suppression Mechanism for a Long Suspension Bridge with Wide Twin-Box Girder
Publisher: American Society of Civil Engineers
Abstract: This study investigates the vortex-induced vibration (VIV) behavior of a twin-box girder bridge by means of aerodynamic sectional wind tunnel test and particle image velocimetry (PIV) measurements. The effect of grid plates ...
Bearing Capacity Estimation for Strip Foundation under Transient Flows
Publisher: ASCE
Abstract: A new model was first proposed to estimate the ultimate bearing capacity of strip foundations under transient flows on the basis of the kinematic approach of limit analysis. To describe the collapse process, a symmetrical ...