Results 1 to 10 of about 4,605,857 (269)

A study on tolerance design of machine tool components based on shape generation motions

open access: yesNihon Kikai Gakkai ronbunshu, 2016
The kinematic motion deviations of the five-axis machining centers are deeply influenced by the geometric deviations of the components, such as guide-ways and bearings.
Ryo TAKEMATSU   +5 more
doaj   +3 more sources

A Selective Expression Manipulation With Parametric 3D Facial Model

open access: yesIEEE Access, 2023
This paper proposes a novel method to represent expressive 3D facial shapes called the Selective Expression Manipulation (SEM) by fitting the expression coefficients of delta-blendshapes, which is the standard parametric facial model widely used in ...
Jiwoo Kang   +3 more
doaj   +1 more source

Numerical Modeling of Interactions between Solitary Waves and Floating Breakwaters [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2022
In the current numerical work, a 2D wave tank has been planned to explain the shared impacts among three different solitary waves and three different floating breakwaters by applying Reynolds-Averaged Navier-Stokes models and the volume of fluid method ...
M. Tabatabaei Malazi   +2 more
doaj   +1 more source

Common kinematic synergies of various human locomotor behaviours

open access: yesRoyal Society Open Science, 2021
Humans show a variety of locomotor behaviours in daily living, varying in locomotor modes and interaction styles with the external environment. However, how this excellent motor ability is formed, whether there are some invariants underlying various ...
Bo Huang   +5 more
doaj   +1 more source

A Study on estimation of three-dimensional tolerances based on simulation of virtual machining in turning processes including kinematic motion deviations

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2015
The geometric dimensioning and tolerancing is one of the most important characteristics of machined parts. A systematic method is proposed in the paper to simulate the shape generation processes in turning operations, to estimate the geometric ...
Wiroj THASANA   +3 more
doaj   +1 more source

Human motion component and envelope characterization via wireless wearable sensors

open access: yesBMC Biomedical Engineering, 2020
Background The characterization of limb biomechanics has broad implications for analyzing and managing motion in aging, sports, and disease. Motion capture videography and on-body wearable sensors are powerful tools for characterizing linear and angular ...
Kaitlyn R. Ammann   +7 more
doaj   +1 more source

A study on estimation of 3-dimensional surface roughness of boring processes including kinematic motion deviations

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2014
The surface roughness is one of the most important characteristics of machined parts. A systematic method is proposed in the paper to simulate the shape generation processes in the boring operations and to estimate the surface roughness of the generated ...
Wiroj THASANA   +3 more
doaj   +1 more source

Inflationary and Phase-transitional Primordial Magnetic Fields in Galaxy Clusters

open access: yesThe Astrophysical Journal, 2023
Primordial magnetic fields (PMFs) are possible candidates for explaining the observed magnetic fields in galaxy clusters. Two competing scenarios of primordial magnetogenesis have been discussed in the literature: inflationary and phase-transitional.
Salome Mtchedlidze   +6 more
doaj   +1 more source

Analysis of kinematic motion deviations of machining centers based on geometric tolerances

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2014
The objectives of the present research are to investigate relationships between kinematic motion deviations of machine tools and geometric tolerances of their components, to propose mathematical models representing kinematic motion deviations of five ...
Atsushi TAKAHASHI   +5 more
doaj   +1 more source

A comparison between simulation and experiment of virtual machining in CNC turning machine considering kinematic motion deviations, tool wear and workpiece deflection errors

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2019
The virtual machining is one of the most important techniques to estimate the complex various machining parameters of machined parts before operating the real machining, in order to obtain the accuracy, precision and reliability.
Wiroj THASANA, Srisit CHIANRABUTRA
doaj   +1 more source

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