Results 61 to 70 of about 243,999 (210)

A Priori Assessment of Algebraic Flame Surface Density Models in the Context of Large Eddy Simulation for Nonunity Lewis Number Flames in the Thin Reaction Zones Regime

open access: yesJournal of Combustion, 2012
The performance of algebraic flame surface density (FSD) models has been assessed for flames with nonunity Lewis number (Le) in the thin reaction zones regime, using a direct numerical simulation (DNS) database of freely propagating turbulent premixed ...
Mohit Katragadda   +2 more
doaj   +1 more source

An Enhanced Tire Model for Dynamic Simulation based on Geometrically Exact Shells

open access: yesArchive of Mechanical Engineering, 2016
In the present work, a tire model is derived based on geometrically exact shells. The discretization is done with the help of isoparametric quadrilateral finite elements.
Roller Michael   +3 more
doaj   +1 more source

On closed currents invariant by holomorphic foliations, I

open access: yes, 2012
We consider closed positive currents invariant by a singular holomorphic foliation on an algebraic surface.
Rebelo, Julio C.
core   +1 more source

Algebraic expressions for convective solute transport in a homogeneous soil below a surface barrier

open access: yesVadose Zone Journal
Engineered surface barriers are expected to be used to cover sites containing buried waste radionuclides after site closure. Understanding the transport of contaminants in the soil below a surface barrier is of importance in order to protect the ...
Zhuanfang Fred Zhang
doaj   +1 more source

Pathologies of Modular Algebraic Surfaces [PDF]

open access: yesAmerican Journal of Mathematics, 1961
Mathematics ; Version of ...
openaire   +2 more sources

Characteristic Number: Theory and Its Application to Shape Analysis

open access: yesAxioms, 2014
Geometric invariants are important for shape recognition and matching. Existing invariants in projective geometry are typically defined on the limited number (e.g., five for the classical cross-ratio) of collinear planar points and also lack the ability ...
Xin Fan   +5 more
doaj   +1 more source

Effect of rotation on the surface wave propagation in magneto-thermoelastic materials with voids

open access: yesJournal of Ocean Engineering and Science, 2018
The present investigation is focused on studying the surface wave propagation in a generalized magneto-thermoelastic materials taking (Green Lindsay) model with voids.
A.M. Farhan, A.M. Abd-Alla
doaj   +1 more source

There are enough Azumaya algebras on surfaces [PDF]

open access: yesMathematische Annalen, 2001
Using Maruyama's theory of elementary transformations, I show that the Brauer group surjects onto the cohomological Brauer group for separated geometrically normal algebraic surfaces. As an application, I infer the existence of nonfree vector bundles on proper normal algebraic surfaces.
openaire   +2 more sources

Non-Euclidean Pythagorean triples, a problem of Euler, and rational points on K3 surfaces

open access: yes, 2006
We discover suprising connections between three seemingly different problems: finding right triangles with rational sides in a non-Euclidean geometry, finding three integers such that the difference of the squares of any two is a square, and the problem ...
Robin Hartshorne, Ronald, Van Luijk
core   +1 more source

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