Results 81 to 90 of about 2,557 (203)

Computational Mechanics of Fracture and Fatigue in Composite Laminates by Means of XFEM and CZM [PDF]

open access: yes, 2017
This thesis is on the computational fracture analysis of static and fatigue fracture in advanced composite materials using Extended Finite Element Method (XFEM).
Tafazzolimoghaddam, Behrooz
core  

Study on Finite Element Modeling Method and Seismic Performance of Hybrid Connection Joints of Large-Span Frames

open access: yesBuildings
Compared to traditional connection joints, hybrid connection joints are more suitable for large-span frames, especially for prefabricated buildings.
Bin Jian   +3 more
doaj   +1 more source

Recent Advances in the Application of MOFs in Supercapacitors

open access: yesBatteries
As the need for energy is constantly increasing and in the long term fossil fuels are not an option because of global overheating due to the greenhouse effect, alternative energy production concepts such as photovoltaics, wind energy, IR energy ...
Christos Argirusis   +4 more
doaj   +1 more source

Une méthodologie couplant XFEM et CZM pour la simulation de la propagation 3D de fissures dans des métaux ductiles [PDF]

open access: yes, 2019
National audienceOn présente ici une méthodologie numérique tridimensionnelle décrivant les différentes étapes menant à la rupture des structures ductiles, à savoir l’endommagement par croissance de micro- cavités, la localisation de la déformation ...
Longère, Patrice   +2 more
core   +2 more sources

Advances in Metal-Organic Frameworks (MOFs) for Rechargeable Batteries and Fuel Cells

open access: yesBatteries
The growing demand for energy, coupled with the unsustainable nature of fossil fuels due to global warming and the greenhouse effect, have led to the advancement of renewable energy production concepts. Innovations such as photovoltaics, wind energy, and
Christos Argirusis   +4 more
doaj   +1 more source

Numerical-Experimental Correlation of Interlaminar Damage Growth in Composite Structures: Setting Cohesive Zone Model Parameters

open access: yesAdvances in Materials Science and Engineering, 2019
Composite laminates are characterized by high mechanical in-plane properties while experiencing, on the contrary, a poor out-of-plane response.
F. Di Caprio, S. Saputo, A. Sellitto
doaj   +1 more source

A review of development of better prediction equations for blast fragmentation

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2019
The paper reviews the development of prediction formulas for the fragmentation from bench blasting. Much attention has been paid to the Kuz-Ram model, its development and errors, and the mean vs. median misunderstanding.
F. Ouchterlony, J.A. Sanchidrián
doaj   +1 more source

Finite Element Modelling of TBC Failure Mechanisms by Using XFEM and CZM

open access: yesProcedia Structural Integrity, 2019
Abstract Thermal Barrier Coatings have been widely used in modern turbine engines to protect the nickel based metal substrate from the high temperature service conditions, 1600-1800 K. In this study, failure mechanisms of typical Air Plasma Sprayed Thermal Barrier Coatings (TBC) used in after-burner structures composed of three major layers: Inconel ...
Safa Mesut Bostancı   +2 more
openaire   +1 more source

Mesoscale fracture simulation of recycled aggregate concrete under uniaxial compression based on cohesive zone model

open access: yesDevelopments in the Built Environment
It is important to clarify the uniaxial compressive mechanical properties and fracture mechanism of recycled aggregate concrete (RAC) from a mesoscale perspective for its further application in engineering.
Chunqi Zhu   +4 more
doaj   +1 more source

Investigation of the initiation and propagation of cracks in the coated surface of spur gear: An application of irreversible cohesive zone model

open access: yesMATEC Web of Conferences, 2015
Spur gears are the most common type of gears for industry, due to its simple structures and low costs of manufacture. Under the action of rolling contact fatigue, the main mode of the coated teeth failure is surface or subsurface originated micro-pitting,
Feng Jiling, Qin Yi, Dong Hanshan
doaj   +1 more source

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