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RISAn Alternative Formulation for Modeling Self-Excited Vibrations of Drillstring With Polycrystalline Diamond Compact Bits
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work describes an alternative formulation of a system of nonlinear state-dependent delay differential equations (SDDDEs), which governs the coupled axial-torsional vibrations of a 2 DOF drillstring model with a realistic ...
Wear Resistance of Polymers With Encapsulated Epoxy Amine Self Healing Chemistry
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, epoxy resin was microencapsulated through in situ polymerization in an oilinwater emulsion, and amine was loaded into etched glass bubbles (GBs) as a curing agent for the microencapsulated epoxy resin. The ...
Acoustic Radiation of a Cylindrical Piezoelectric Power Transformer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Theoretical analysis is performed for the sound radiation of a cylindrical power transformer composed of piezoelectric transducers with radial polarization. The transformer is driven in thicknessstretch mode, and an exact ...
Sensitivity of Simulated Climate to Two Atmospheric Models: Interpretation of Differences between Dry Models and Moist Models
Publisher: American Meteorological Society
Abstract: he dynamical core of the Institute of Atmospheric Physics of the Chinese Academy of Sciences Atmospheric General Circulation Model (IAP AGCM) and the Eulerian spectral transform dynamical core of the Community Atmosphere ...
Impacts of Nudged Sea Surface Temperature on Tropical Precipitation, Moisture, and Vertical Velocity in an Earth System Model
Publisher: American Meteorological Society
Microphysical and Turbulent Structure of Nocturnal Stratocumulus as Observed during ASTEX
Publisher: American Meteorological Society
Abstract: Measurements of the microphysical and turbulence structure of stratocumulus made during the Atlantic Stratocumulus Transition Experiment are presented. The measurements made from a C-130 aircraft, belonging to the ...
Identification of Static Loading Conditions Using Piezoelectric Sensor Arrays
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To make sure the safety, durability, and serviceability of structures in-service, health monitoring systems (HMS) are widely used in management of civil infrastructures in recent years. Compared with traditional force ...
An Alternative Approach to Compute Chip Thickness in Milling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The accurate evaluation of the instantaneous undeformed chip thickness (IUCT) plays a crucial role in the modeling of milling processes. However, the vibrations of the tool–workpiece system can make conventional IUCT models ...
Piezoelectric Energy Harvesting From Roadways Based on Pavement Compatible Package
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Scavenging mechanical energy from the deformation of roadways using piezoelectric energy transformers has been intensively explored and exhibits a promising potential for engineering applications. We propose here a new ...
Optimizing the Sewing Position of Flexible Piezoelectric Energy Harvesters on a Three-Dimensional Deforming Heart: An Integrated Approach Using Finite Element Analysis, Deep Learning, and Theoretical Modeling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Flexible piezoelectric energy harvesters (FPEHs) have attracted tremendous attention due to their potential applications in the field of biomedicine, such as powering implantable devices. Despite observations in numerous ...