Results 71 to 80 of about 679,725 (183)

The theory of critical distances applied to problems in fracture andfatigue of bone [PDF]

open access: yes
The theory of critical distances (TCD) has been applied to predict notch-based fracture and fatigue in a wide range of materials and components. The present paper describes a series of projects in which we applied this approach to human bone.
Brazel, Emma   +2 more
core   +1 more source

Fundamentals of stellar evolution and nucleosynthesis [PDF]

open access: yesEPJ Web of Conferences
The theory of stellar structure and evolution plays a pivotal role in modern astrophysics. Stellar evolution calculations are used to determine the ages and, to a lesser extent, distances of stars, which are critical to our knowledge of the history and ...
Vescovi Diego
doaj   +1 more source

Hamiltonian theory of gaps, masses and polarization in quantum Hall states: full disclosure

open access: yes, 2000
I furnish details of the hamiltonian theory of the FQHE developed with Murthy for the infrared, which I subsequently extended to all distances and apply it to Jain fractions \nu = p/(2ps + 1).
A. Lopez   +72 more
core   +1 more source

Percolation-like Scaling Exponents for Minimal Paths and Trees in the Stochastic Mean Field Model

open access: yes, 2005
In the mean field (or random link) model there are $n$ points and inter-point distances are independent random variables. For $0 < \ell < \infty$ and in the $n \to \infty$ limit, let $\delta(\ell) = 1/n \times$ (maximum number of steps in a path whose ...
Aldous D. J., Balas E.
core   +3 more sources

Fatigue Probabilistic Approach of Notch Sensitivity of 51CrV4 Leaf Spring Steel Based on the Theory of Critical Distances

open access: yesApplied Sciences
The mechanical and structural design of railway vehicles is heavily influenced by their lifetime. Because fatigue is a significant factor that impacts the longevity of railway components, it is imperative that the fatigue resistance properties of crucial
Vítor M. G. Gomes   +3 more
doaj   +1 more source

Supersonic boundary-layer transition on the LaRC F-106 and the DFRF F-15 aircraft. Part 2: Aerodynamic predictions [PDF]

open access: yes
In the leading edge region, the measured pressure distributions exhibit extreme variations from strong suction peaks to a pressure maximum at the attachment line.
Miller, D. S., Rose, Ollie J.
core   +1 more source

Nonsingular Yukawa-modified black holes surrounded by dark matter in 4D-Einstein-Gauss-Bonnet gravity: Shadow and QNM studies

open access: yesNuclear Physics B
This paper investigates the contribution of the nonsingular Yukawa-modified potential in four-dimensional Einstein-Gauss-Bonnet (EGB) gravity, focusing on a static, spherically symmetric black hole solution. These Yukawa-type corrections are described by
Yassine Sekhmani   +5 more
doaj   +1 more source

La lectura en Paulo Freire y la competencia lectora de PISA = PISA reading literacy from Paulo Freire’s critical approach

open access: yesEducação, 2013
This paper is a critical study of the theoretical foundations of the PISA reading test. To this it has tried to use as reference theory proposed by Paulo Freire in relation to reading, trying to offer a different approach to this type of international ...
Caviedes, Juan Francisco Remolina
doaj  

Determining the Cohesive Length of Rock Materials by Roughness Analysis

open access: yesGeosciences
In this research, the cohesive length of various rock types is measured using quantitative fractography alongside a recently developed multifractal analysis.
Saeed Aligholi   +2 more
doaj   +1 more source

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