Results 11 to 20 of about 677,770 (306)

Mechanical Behavior of Elastic Self-Locking Nails for Intramedullary Fracture Fixation: A Numerical Analysis of Innovative Nail Designs

open access: yesFrontiers in Bioengineering and Biotechnology, 2020
Intramedullary nails constitute a viable alternative to extramedullary fixation devices; their use is growing in recent years, especially with reference to self-locking nails.
Giovanni Putame   +7 more
doaj   +1 more source

Clinical analysis of bronchoscope diagnosis and treatment for airway foreign body removal in pediatric patients

open access: yesItalian Journal of Pediatrics, 2022
Background Along with the wide spread application and technical development of the flexible and rigid bronchoscopy, the airway foreign body removing method cme to the specific technique for different foreign bodies from the single foreign body forceps ...
Lin-Lin Han   +5 more
doaj   +1 more source

Iterative Coordinate Reduction Algorithm of Flexible Multibody Dynamics Using a Posteriori Eigenvalue Error Estimation

open access: yesApplied Sciences, 2020
Coordinate reduction has been widely used for efficient simulation of flexible multibody dynamics. To achieve the reduction of flexible bodies with reasonable accuracy, the appropriate number of dominant modes used for the reduction process must be ...
Seongji Han   +3 more
doaj   +1 more source

Numerical Simulation of an Intramedullary Elastic Nail: Expansion Phase and Load-Bearing Behavior

open access: yesFrontiers in Bioengineering and Biotechnology, 2018
The Marchetti-Vicenzi's nail is an intramedullary device where six curved nails are kept straight by a closing ring in order to allow their insertion into the medullary canal of a long bone; in a following step, these nails stabilize the fracture due to ...
Giulia Pascoletti   +4 more
doaj   +1 more source

Modeling and Parameter Identification of Deflections in Planetary Stage of Wind Turbine Gearbox [PDF]

open access: yesModeling, Identification and Control, 2012
The main focus of this paper is the experimental and numerical investigation of a 750kW wind turbine gearbox. A detailed model of the gearbox with main shaft has been created using MSC.Adams. Special focus has been put on modeling the planet carrier (PLC)
Ole Ø. Mouritsen   +3 more
doaj   +1 more source

Computational Modelling of the Rail Vehicle Multibody System Including Flexible Bodies

open access: yesCommunications, 2015
Tools for computer simulations are widely used in the field of a rail vehicle design. These means of virtual reality allow to perform static analyses of rail vehicle parts and dynamic analyses of a rail vehicle multibody system.
Jan Dizo   +2 more
doaj   +1 more source

Research on Dynamic Characteristics of Flap Actuation System Considering Joint Clearance and Flexibility

open access: yesMachines, 2022
The flight control effects and flight quality of the aircraft are influenced by the flap actuation system directly. The main motivation of this research is to develop a rigid-flexible model of the flap actuation system with clearance and to explore the ...
Qi Wan   +4 more
doaj   +1 more source

Application of flexible fiberoptic bronchoscopy in the removal of adult airway foreign bodies

open access: yesBMC Surgery, 2020
Background Flexible fiberoptic bronchoscopy is a rapid, cost effective and safe procedure. Aim To analyze demographic information and endoscopic findings in adult patients with airway foreign body aspiration and its removal.
Weijun Ma   +4 more
doaj   +1 more source

An efficient Generalized Geometry Contact algorithm including modal reduction flexible bodies

open access: yesMechanical Engineering Journal, 2017
In the MFBD (Multi-Flexible-Body Dynamics) (RecurDyn, 2017), the contact analysis is very important. To develop the general purpose contact algorithm for rigid and flexible bodies, the Generalized Geometry Contact algorithm, which is called ‘Geo Contact ...
Ho-Young CHA   +3 more
doaj   +1 more source

FBG-Based Estimation of External Forces Along Flexible Instrument Bodies

open access: yesFrontiers in Robotics and AI, 2021
A variety of medical treatment and diagnostic procedures rely on flexible instruments such as catheters and endoscopes to navigate through tortuous and soft anatomies like the vasculature.
Omar Al-Ahmad   +4 more
doaj   +1 more source

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