Results 1 to 10 of about 29,094 (266)

Investigation of the accuracy of Digital Image Correlation (DIC) in measuring full-field strain for timber materials [PDF]

open access: yesE3S Web of Conferences, 2023
As one of the most successful techniques in experimental mechanics, digital image correlation (DIC) has been widely used to measure the motion and deformation of solid materials, especially in situations where non-contact measurement is required.
Prita Melinda Annisa   +4 more
doaj   +1 more source

A finite element procedure for the analysis of thermo-mechanical solids in contact [PDF]

open access: yesComputers & Structures, 2000
Abstract We present a finite element procedure for the analysis of fully coupled thermo-elasto-plastic response of solids including contact conditions. The continuum mechanics formulation for the solid and contact conditions is summarized and effective finite element techniques for solution are given.
Daniel Pantuso   +2 more
openaire   +1 more source

Inverse problems with the digital image correlation: approach and applications

open access: yesFracture and Structural Integrity, 2021
A viable approach to solve inverse problems in elasticity is proposed. It is based on regression algorithms to estimate materials and/or loading parameters by fitting the experimentally-evaluated displacement field to representative analytical solutions.
Emanuele Sgambitterra, Fabrizio Niccoli
doaj   +3 more sources

Strain-Dependent Solid Surface Stress and the Stiffness of Soft Contacts

open access: yesPhysical Review X, 2017
Surface stresses have recently emerged as a key player in the mechanics of highly compliant solids. The classic theories of contact mechanics describe adhesion with a compliant substrate as a competition between surface energies driving deformation to ...
Katharine E. Jensen   +3 more
doaj   +1 more source

SHAPE OPTIMIZATION OF CONTACT PROBLEMS SUBJECT TO MULTIPLE LOAD CASES USING BI-DIRECTIONAL EVOLUTIONARY STRUCTURAL OPTIMIZATION [PDF]

open access: yesمجله مدل سازی در مهندسی, 2012
Contact problems are one of widely used and important branches in solid mechanics. This paper aims at extending the bi-directional evolutionary structural optimization (BESO) algorithm for optimal contact shape design in structures under the multiple ...
علی Ghoddosian   +2 more
doaj   +1 more source

Relationship between contact stiffness, contact depth, and mechanical properties for indentation in linear viscoelastic solids using axisymmetric indenters [PDF]

open access: yesStructural Control and Health Monitoring, 2006
We derive a relationship between the initial unloading slope, contact depth, and the instantaneous relaxation modulus for indentation in linear viscoelastic solids by a rigid indenter with an arbitrary axisymmetric smooth profile.
Yang-Tse Cheng, Che-Min Cheng
openaire   +1 more source

Solid viscoelasticity in contact mechanics and elastohydrodynamic lubrication

open access: yes, 2022
Driven by the urgent need for transition to new sustainable technology in terms of use of resources and generated waste products, optimal efficiency is of crucial importance. Energy losses at any scale in machines of old (transitional) and new technology and processes need be minimized and performance and service life maximized.
openaire   +2 more sources

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

Computational and experimental diagnostics of the shear properties of greases [PDF]

open access: yesMATEC Web of Conferences, 2021
The study of the properties of consistent and liquid oils is currently receiving much attention in tribology. This is because lubrication is one of the most effective ways to improve machine durability.
Dykha Aleksandr   +3 more
doaj   +1 more source

A Discrete Approach to Meshless Lagrangian Solid Modeling

open access: yesComputation, 2017
The author demonstrates a stable Lagrangian solid modeling method, tracking the interactions of solid mass particles rather than using a meshed grid. This numerical method avoids the problem of tensile instability often seen with smooth particle applied ...
Matthew Marko
doaj   +1 more source

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