Results 51 to 60 of about 1,749,278 (327)

Non-Linear Three Dimensional Finite Elements for Composite Concrete Structures

open access: yesLatin American Journal of Solids and Structures
The current investigation focused on the development of effective and suitable modelling of reinforced concrete component with and without strengthening. The modelling includes physical and constitutive models. New interface elements have been developed,
O. Kohnehpooshi, M.S. Jaafar
doaj   +1 more source

Modelling of impact-abrasive wear of ceramic, metallic, and composite materials; pp. 191-197 [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2019
The behaviour of materials was investigated using finite element modelling software (SOLIDWORKS and COMSOL). Three types of materials were studied: (1) ceramic (diamond), (2) metallic (titanium), and (3) composite (consisting of ceramic and metallic ...
Ramin Rahmani   +2 more
doaj   +1 more source

Validation of Finite Element Modelling of Multielectrode Capacitive System for Process Tomography Flow Imaging [PDF]

open access: yes, 1993
Finite element modelling of process tomography sensor systems is necessary for their CAD both for performance evaluation and design optimization. This paper involves the validation of finite element models of a 12-electrode capacitive sensor system for ...
Abdullah, F., Khan, S.
core  

Modelling of SFRC using inverse finite element analysis

open access: yes, 2006
A method of inverse finite element analysis is used to determine the constitutive relationship of SFRC in tension, using primary experimental data. Based on beam bending test results and results from pull-out tests, an attempt is made to explain the ...
Neocleous, K.   +2 more
core   +1 more source

Computational modelling and experimental characterisation of heterogeneous materials [PDF]

open access: yes, 2009
Heterogeneous materials can exhibit behaviour under load that cannot be described by classical continuum elasticity. Beams in bending can show a relative stiffening as the beam depth tends to zero, a size effect.
A.C. Eringen   +14 more
core   +1 more source

Heterogeneity of Rheumatoid Arthritis–Associated Interstitial Lung Disease by Longitudinal Forced Vital Capacity Trajectory and Associations With Disease Outcomes

open access: yesArthritis Care &Research, EarlyView.
Objective We aimed to identify unique disease trajectories within rheumatoid arthritis–associated interstitial lung disease (RA‐ILD) based on longitudinal forced vital capacity (FVC) values and their associated clinical outcomes. Methods We performed a cohort study of RA‐ILD within the Veterans Health Administration from 1999 to 2021.
Bryant R. England   +9 more
wiley   +1 more source

Finite element modelling and experimental study of oblique soccer ball bounce [PDF]

open access: yes, 2011
In this study, we develop a finite element model to examine the oblique soccer ball bounce. A careful simulation of the interaction between the ball membrane and air pressure in the ball makes the model more realistic than analytical models, and helps us
Degrieck, Joris   +3 more
core   +1 more source

Finite Element Modelling of Cracks as Acoustic Emission Sources

open access: yes, 2015
This paper presents results for a new acoustic emission crack source model based on a finite element modelling approach which calculates the dynamic displacement field during crack formation.
M. Sause, Stefan Richler
semanticscholar   +1 more source

Effect of Foot Orthoses on Midfoot Pain and the Volume of Bone Marrow Lesions in the Midfoot: A Randomized Mechanism of Action Study

open access: yesArthritis Care &Research, EarlyView.
Objective Foot orthoses are thought to improve pain by potentially modifying internal mechanical forces. To test this, we explored whether foot orthoses can modify patterns of bone marrow lesions (BMLs) in people with midfoot pain. Methods Forty‐two people were recruited with midfoot pain, and magnetic resonance imaging–confirmed midfoot BMLs ...
Jill Halstead   +4 more
wiley   +1 more source

Femoral bone mesoscale structural architecture prediction using musculoskeletal and finite element modelling

open access: yes, 2015
Through much of the anatomical and clinical literature bone is studied with a focus on its structural architecture, while it is rare for bone to be modelled using a structural mechanics as opposed to a continuum mechanics approach in the engineering ...
A. Phillips, C. Villette, L. Modenese
semanticscholar   +1 more source

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