Results 81 to 90 of about 2,857,310 (288)

Finite Element Analysis of a Dynamic Linear Crack Problem

open access: yesEast European Journal of Physics
This work investigates the problem of a linear crack in the middle of a uniform elastic medium under normal tension-compression loading. The direct Finite Element numerical procedure is used to solve the fractured media deformation problem, which also ...
Brian E. Usibe   +6 more
doaj   +1 more source

An Active Knee–Ankle–Foot Orthosis With Torque‐Dense, Low‐Impedance Knee Actuation

open access: yesAdvanced Intelligent Systems, EarlyView.
This article presents the simulation, design, and clinical validation of a robotic active KAFO with torque‐sensitive actuation. By passively and continuously adapting the transmission ratio in response to the knee torque, the torque‐sensitive actuator overcomes the tradeoff between torque, weight, and impedance observed in conventional robot actuators,
Brendon Ortolano   +4 more
wiley   +1 more source

Preferential trading in agriculture: New insights from a structural gravity analysis and machine learning

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Preferential trade agreements (PTAs) contain various non‐tariff provisions, yet identifying their trade effects remains challenging because these commitments are high‐dimensional and strongly correlated within agreements. We estimated a theory‐consistent structural gravity model with domestic flows for 26 agricultural subsectors over 1988–2017
Dongin Kim, Sandro Steinbach
wiley   +1 more source

Workspace Analysis and Dynamic Modeling of 6-DoF Multi-Pattern Cable-Driven Hybrid Mobile Robot

open access: yesMachines
A cable-driven hybrid mobile robot is a kind of robot consisting of two modules connected in series, which uses multiple parallel cables to drive the moving platforms.
Jiahao Song   +4 more
doaj   +1 more source

The effects of simultaneous use of task-oriented training and constraint-induced movement therapy on upper limb motor performance in hemiplegic adult patients

open access: yesمجله پژوهش در علوم توانبخشی, 2013
Introduction: Stroke is one of the most common life-threatening neurologic disorders and is among the most important causes of disability in adult life.
Minoo Kalantary   +3 more
doaj   +1 more source

Dual formulation of a viscoplasticcontact problem with unilateral constraint

open access: yes, 2013
We consider a mathematical model which describes the contact between a viscoplastic body and an obstacle, the so-called foundation. The process is quasistatic, the contact is frictionless and is modelled with unilateral constraint.
A. Matei, M. Sofonea
semanticscholar   +1 more source

Nonsmooth modal analysis of an elastic bar subject to a unilateral contact constraint

open access: yesNonlinear dynamics, 2018
This contribution proposes a numerical procedure capable of performing nonsmooth modal analysis (mode shapes and corresponding frequencies) of the autonomous wave equation defined on a finite one-dimensional domain with one end subject to a Dirichlet ...
Carlos Yoong, Anders Thorin, M. Legrand
semanticscholar   +1 more source

Unilateral forelimb restraint.

open access: yes, 2016
A. Schematic showing a neonate mouse (P1) with unilateral constraint of the right forelimb against the chest using a surgical bandage tape. B. Experimental timeline. C. Experimental design. We traced separately the motor cortex (MCX) contralateral to the
Najet Serradj (3139722)   +1 more
core   +1 more source

Supplementary_Information_Revised_v1_1 – Supplemental material for Randomized controlled trial combining constraint-induced movement therapy and action-observation training in unilateral cerebral palsy: clinical effects and influencing factors of treatment response

open access: yes, 2020
Supplemental material, Supplementary_Information_Revised_v1_1 for Randomized controlled trial combining constraint-induced movement therapy and action-observation training in unilateral cerebral palsy: clinical effects and influencing factors of ...
Lisa Mailleux (4220761)   +10 more
core   +1 more source

Milestone Attainment in Young Children With Arthrogryposis Multiplex Congenita: Developmental Profile and Associated Factors

open access: yesAmerican Journal of Medical Genetics Part C: Seminars in Medical Genetics, EarlyView.
ABSTRACT Evidence on developmental milestones in children with arthrogryposis multiplex congenita (AMC) under the age of five is scarce. This multisite cross‐sectional study described developmental status and examined factors associated with milestone attainment in 143 children aged 0–66 months from a pediatric AMC Registry.
Ahlam Zidan   +13 more
wiley   +1 more source

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