Results 31 to 40 of about 160,371 (327)

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

Multi-physics simulation of friction stir welding process [PDF]

open access: yes, 2009
Purpose: The Friction Stir Welding (FSW) process comprises of several highly coupled (and non-linear) physical phenomena: large plastic deformation, material flow transportation, mechanical stirring of the tool, tool-workpiece surface interaction ...
Hamilton, R., Li, Hongjun, Mackenzie, D.
core   +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

Rheophysics of dense granular materials : Discrete simulation of plane shear flows [PDF]

open access: yes, 2005
We study the steady plane shear flow of a dense assembly of frictional, inelastic disks using discrete simulation and prescribing the pressure and the shear rate.
B. Cambou   +32 more
core   +2 more sources

Powder Compaction Mechanics: A New General Theoretical Formulation

open access: yesJournal of King Saud University: Engineering Sciences, 2003
A new general formulation of powder compaction mechanics based on continuum mechanics concepts is presented. The general governing equations are developed, and the analysis of both dynamic and quasi-static compaction of powders in cylindrical dies is ...
Mahir H.H. Es-Saheb
doaj   +1 more source

Linear elastic fracture mechanics predicts the propagation distance of frictional slip [PDF]

open access: yes, 2014
When a frictional interface is subject to a localized shear load, it is often (experimentally) observed that local slip events initiate at the stress concentration and propagate over parts of the interface by arresting naturally before reaching the edge.
Ampuero, Jean-Paul   +3 more
core   +2 more sources

Structural connection with predetermined discrete variable friction forces

open access: yesResilient Cities and Structures, 2023
This paper presents a simple and practical structural connection able to develop predetermined discrete variable friction forces at target design displacement levels. The innovative connection is termed Modified Friction Device (Modified FD).
Kaixin Chen   +2 more
doaj   +1 more source

Influence of Rotations on the Critical State of Soil Mechanics [PDF]

open access: yes, 2010
The ability of grains to rotate can play a crucial role on the collective behavior of granular media. It has been observed in computer simulations that imposing a torque at the contacts modifies the force chains, making support chains less important.
A. Lizcano   +25 more
core   +1 more source

Home - About - Disclaimer - Privacy