Results 11 to 20 of about 9,792 (263)

Mathematics in Finite Element Modeling of Computational Friction Contact Mechanics 2021–2022

open access: yesMathematics, 2023
In engineering practice, structures with identical components or parts are useful from several points of view: less information is needed to describe the system; designs can be conceptualized quicker and easier; components are made faster than during ...
Nicolae Pop, Marin Marin, Sorin Vlase
doaj   +1 more source

Slip and Friction Mechanisms at Polymer Semi-Dilute Solutions/Solid Interfaces [PDF]

open access: yesMacromolecules, 2021
The role of the polymer volume fraction, $ϕ$, on steady state slippage and interfacial friction is investigated for a semi-dilute polystyrene solutions in diethyl phthalate in contact with two solid surfaces. Signicant slippage is evidenced for all samples, with slip lengths b obeying a power law dependence.
Grzelka, Marion   +5 more
openaire   +5 more sources

Evaluation and Comparison of Moment-to-Force Ratio of a New “PRP Loop” with that of Opus Loop and L Loop- A Finite Element Method Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2023
Introduction: Extraction space closure is the foremost challenging procedure in the field of orthodontics which needs a robust understanding of biomechanics.
Smita Kumari   +3 more
doaj   +1 more source

From the Fan-KKM principle to extended real-valued equilibria and to variational-hemivariational inequalities with application to nonmonotone contact problems

open access: yesFixed Point Theory and Algorithms for Sciences and Engineering, 2022
This paper starts off by the celebrated Knaster–Kuratowski–Mazurkiewicz principle in the formulation by Ky Fan. We provide a novel variant of this principle and build an existence theory for extended real-valued equilibrium problems with general, then ...
Joachim Gwinner
doaj   +1 more source

Invariance Properties of the Entropy Production, and the Entropic Pairing of Inertial Frames of Reference by Shear-Flow Systems

open access: yesEntropy, 2021
This study examines the invariance properties of the thermodynamic entropy production in its global (integral), local (differential), bilinear, and macroscopic formulations, including dimensional scaling, invariance to fixed displacements, rotations or ...
Robert K. Niven
doaj   +1 more source

Modeling and simulation of different and representative engineering problems using Network Simulation Method. [PDF]

open access: yesPLoS ONE, 2018
Mathematical models simulating different and representative engineering problem, atomic dry friction, the moving front problems and elastic and solid mechanics are presented in the form of a set of non-linear, coupled or not coupled differential ...
J F Sánchez-Pérez   +4 more
doaj   +1 more source

A meshfree computational framework for the numerical simulation of the solid-state additive manufacturing process, additive friction stir-deposition (AFS-D)

open access: yesMaterials & Design, 2021
In this work, a fully coupled thermo-mechanical meshfree approach is developed for the first time to simulate a solid-state layer-by-layer additive manufacturing process, Additive Friction Stir-Deposition (AFS-D). The meshfree method in this present work
G.G. Stubblefield   +4 more
doaj   +1 more source

Friction mechanisms at polymer–solid interfaces

open access: yesComptes Rendus. Chimie, 2005
We present series of experiments conducted on model systems consisting of smooth solid surfaces covered with end grafted polymer chains at controlled surface density, and put into contact with either a polymer melt or a crosslinked elastomer of the same chemical species, and devoted to the characterization of friction as a function of the molecular ...
Leger, L, Hervet, H, Bureau, Lionel
openaire   +2 more sources

Understanding the basis of space closure in Orthodontics for a more efficient orthodontic treatment

open access: yesDental Press Journal of Orthodontics, 2016
Introduction: Space closure is one of the most challenging processes in Orthodontics and requires a solid comprehension of biomechanics in order to avoid undesirable side effects.
Gerson Luiz Ulema Ribeiro   +1 more
doaj   +1 more source

How friction and adhesion affect the mechanics of deep penetration in soft solids

open access: yesSoft Matter, 2022
Friction and adhesion create an increment in penetration force with the depth of the penetrator (needle) tip. This work provides the correlation between the force increment, the material properties and the needle radius.
Stefano Fregonese, Mattia Bacca
openaire   +3 more sources

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