Results 31 to 40 of about 693,874 (299)

Influence of modeling agents on the surface properties of an esthetic nano-hybrid composite [PDF]

open access: yesRestorative Dentistry & Endodontics, 2020
ObjectiveThe aim of this study was to evaluate the influence of different modeling agents on the surface microhardness (Vickers hardness number; VHN), roughness (Ra), and color change (ΔE) of a nano-hybrid composite with or without exposure to ...
Zeynep Bilge Kutuk   +4 more
doaj   +1 more source

Composite Goodness of Fit in Reaeration Coeffcient Modeling [PDF]

open access: yes, 2012
Determination of reaeration coefficient is an important factor in surface water quality modeling as it determines the efficiency of the Streeter-Phelps model used for predicting dissolved oxygen deficit of any stream. This study compared the efficiency
Omole, D. O.
core   +1 more source

Study of Dynamic Brittle Fracture of Composite Lamina Using a Bond-Based Peridynamic Lattice Model

open access: yesAdvances in Materials Science and Engineering, 2019
We proposed a bond-based peridynamic lattice model for simulating dynamic brittle fracture of 2D composite lamina. Material orthogonal anisotropy was represented by rotating topological lattice structure instead of fiber directions. Analytical derivation
Jushang Guo   +4 more
doaj   +1 more source

Cognitive Modeling of Composite Systems

open access: yesЦифрова платформа: інформаційні технології в соціокультурній сфері, 2019
The purpose of the article is to study and discuss the general problems of such an important area of information activity as cognitive modeling of complex systems, its main stages and components.
Olha Tkachenko
doaj   +1 more source

Α numerical evaluation of various damage models for thermoplastic composite materials subjected to quasi-static tensile loading [PDF]

open access: yesMATEC Web of Conferences, 2021
In the present work, damage propagation in thermoplastic composite laminates subjected to quasi-static tensile loading was numerically simulated using different damage models. The simulation was performed using the commercial finite element suite LS-Dyna,
Sioutis Ioannis, Tserpes Konstantinos
doaj   +1 more source

COMPOSITE APPLICATION DISTRIBUTION METHODS MODELING

open access: yesСучасні інформаційні системи, 2018
The subject of consideration are algorithms for optimal distribution of existing pool of computing resources between composite applications and algorithm of utilization of resources on computing blocks.
Serhii Bulba
doaj   +1 more source

A supersymmetric composite model

open access: yesPhysics Letters B, 1983
Abstract We present a supersymmetric composite model which extends the model by Abbot and Farhi. Its main feature is to be natural and economic, compatibly with the problem of strong CP and massless quarks and leptons.
F. Bordi   +3 more
openaire   +2 more sources

Search for composite models

open access: yesNuclear Physics B, 1982
Abstract Baryonic number conservation and 't Hooft anomaly equations select only a few candidate models for composite quarks and leptons. We carry out a systematic group-theoretical search and find that composite-component duality is the characteristic feature allowing for baryon conservation.
CASALBUONI, ROBERTO, Raoul Gatto
openaire   +1 more source

mistr: A Computational Framework for Mixture and Composite Distributions [PDF]

open access: yes, 2020
Finite mixtures and composite distributions allow to model the probabilistic representation of data with more generality than simple distributions and are useful to consider in a wide range of applications.
Hornik, Kurt, Sablica, Lukas
core  

Composite Dos Attack Model

open access: yesMokslas - Lietuvos ateitis, 2012
Preparation for potential threats is one of the most important phases ensuring system security. It allows evaluating possible losses, changes in the attack process, the effectiveness of used countermeasures, optimal system settings, etc. In cyberattack cases, executing real experiments can be difficult for many reasons.
Ramanauskaitė, Simona, Čenys, Antanas
openaire   +2 more sources

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