Results 241 to 250 of about 3,105,890 (299)
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Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 2000
Glenohumeral contact forces have only been calculated previously either for simple abduction or for athletic activities. The objective of this study was to determine the glenohumeral contact forces for tasks which are demanding of the shoulder but which would commonly be performed by older people.
C, Anglin, U P, Wyss, D R, Pichora
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Glenohumeral contact forces have only been calculated previously either for simple abduction or for athletic activities. The objective of this study was to determine the glenohumeral contact forces for tasks which are demanding of the shoulder but which would commonly be performed by older people.
C, Anglin, U P, Wyss, D R, Pichora
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Contact force-sensing catheters
Current Opinion in Cardiology, 2015The purpose of this review is to highlight recent research findings in contact force-sensing radiofrequency ablation catheters.Contact force parameters evaluated during pulmonary vein isolation for treating atrial fibrillation correlated well with the presence of gaps in the wide area circumferential ablation lines at 3 months, decreased procedural ...
Kurt S, Hoffmayer, Edward P, Gerstenfeld
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Tribology International, 2000
This paper reviews contact modeling with an emphasis on the forces of contact and their relationship to the geometrical, material and mechanical properties of the contacting bodies. Single asperity contact models are treated first. These models include simple Hertz contacts for spheres, cylinders, and ellipsoids.
G.G. Adams, M. Nosonovsky
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This paper reviews contact modeling with an emphasis on the forces of contact and their relationship to the geometrical, material and mechanical properties of the contacting bodies. Single asperity contact models are treated first. These models include simple Hertz contacts for spheres, cylinders, and ellipsoids.
G.G. Adams, M. Nosonovsky
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ROLLING CONTACT FORCE ENERGY RECONSTRUCTION
Journal of Sound and Vibration, 2000Abstract Knowledge of the forces at the wheel–rail contact is fundamental to estimate the consequences in terms of noise and vibration. The traditional use of strain gauges mounted on the wheel web and axle is not capable of determining the high-frequency content of the contact force.
A. Bracciali, CASCINI, GAETANO
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Pantograph/Catenary Contact Force Control
Volume 6: 11th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, 2015In this paper, a new continuum-based pantograph/catenary model based on the absolute nodal coordinate formulation (ANCF) is proposed and used to develop an effective method to control the contact force which arises from the pantograph/catenary interaction.
Pappalardo, Carmine M. +3 more
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Dissipative Contact Force Models
2016In this chapter, some of most relevant dissipative contact force models utilized in multibody dynamics are presented. In particular, attention is given to the constitutive laws proposed by Kelvin and Voigt, Hunt and Crossley, Lankarani and Nikravesh, and Flores et al. Additionally, other nonlinear contact force models are briefly presented. The contact
Flores, Paulo, Lankarani, Hamid M.
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Contact Force and Ablation Index
Cardiac Electrophysiology Clinics, 2019Radiofrequency ablation of arrhythmias depends on durable lesion formation. Catheter tip-tissue contact force (CF) is a key determinant of lesion quality; excessive CF is associated with major complications, whereas insufficient CF increases the risk of electrical reconnection and arrhythmia recurrence.
Sohaib A, Virk +4 more
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Contact electrification using force microscopy
Physical Review Letters, 1989One of the oldest unresolved problems in physics is the mechanism of charge exchange between contacting surfaces when at least one of them is insulating. We describe a new technique, using force microscopy, for studying this problem with greater lateral resolution than has been previously possible. The force microscope is shown to have 0.2 \ensuremath{\
, Terris, , Stern, , Rugar, , Mamin
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Pure Elastic Contact Force Models
2016The most important pure elastic constitutive laws commonly utilized to model and analyze contact-impact events in the context of multibody mechanical system dynamics are presented in this chapter. Additionally, the fundamental issues related to the generalized contact kinematics, developed under the framework of multibody system dynamics formulation ...
Flores, Paulo, Lankarani, Hamid M.
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