Results 81 to 90 of about 4,749,396 (175)

A Semi‐Resolved LES‐DEM Framework for Turbulent Bedload Transport From Saltation to Sheet‐Flow Regimes

open access: yesWater Resources Research, Volume 62, Issue 10, October 2026.
Abstract Bedload transport widely occurs in natural environments and encompasses flow regimes from saltation to sheet‐flow, with markedly different fluid‐particle interaction characteristics. Understanding these mechanisms requires a numerical tool capable of capturing both the turbulence and fluid‐particle interactions, for which challenges exist due ...
Yuxiang Liu, Lu Jing, Zi Wu, Xudong Fu
wiley   +1 more source

Fractional Moment Theory for Anomalous Transport: A Unified Framework for Lévy Flights, Fractals, and Complex Dynamical Systems

open access: yesMathematical Methods in the Applied Sciences, Volume 49, Issue 13, Page 14964-15009, 15 September 2026.
ABSTRACT We develop a unified mathematical framework extending classical moment theory from discrete integer orders to a continuous spectrum of real orders f>0$$ f>0 $$, providing a systematic statistical characterization of complex systems exhibiting power‐law behavior.
Farrukh A. Chishtie
wiley   +1 more source

Molecular Dynamics Studies of Shape Memory Polymers: From Bead–Spring Models to Atomistic Simulations

open access: yesAdvanced Engineering Materials, Volume 28, Issue 17, 9 September 2026.
Coarse‐grained (left) and atomistic (right) models of the shape memory polymer ESTANE ETE 75DT3 are shown schematically. The two representations bridge molecular detail and mesoscopic description. Both models capture shape memory behavior, linking segmental mobility and conformational relaxation of anisotropic chains to macroscopic recovery, and ...
Fathollah Varnik
wiley   +1 more source

Topological properties of asymptotic invariants and universal volume bounds [PDF]

open access: yes, 2008
In this thesis, we prove that many asymptotic invariants of closed manifolds depend only on the image of the fundamental class under the classifying map of the universal covering.
Brunnbauer, Michael
core   +1 more source

On the orientability of the asset equilibrium manifold [PDF]

open access: yes
This paper addresses partly an open question raised in the Handbook of Mathematical Economics about the orientability of the pseudo-equilibrium manifold in the basic two-period General Equilibrium with Incomplete markets (GEI) model. For a broad class of
Philippe Bich
core   +2 more sources

Josephson effect in multicomponent Bose-Einstein condensates [PDF]

open access: yes, 2013
[cat]En aquesta Tesi s'estudia i es caracteritza el comportament dels condensats de Bose-Einstein en una junció bosònica de Josephson (BJJ), tot utilitzant dos formalismes teòrics diferents: l'aproximació de camp mig (amb l'equació de Gross-Pitaevskii) i
Melé Messeguer, Marina
core  

The sculpture Manifold: a band from a surface, a surface from a band [PDF]

open access: yes, 2008
The steel sculpture Manifold consists of an 8 cm wide closed band of stainless steel that winds around in an intricate way, curving and coming very close to itself.
Osinga, HM   +2 more
core  

Evolution paths on the equilibrium manifold [PDF]

open access: yes
In a pure exchange smooth economy with fixed total resources, we de- fine the length between two regular equilibria belonging to the equilibrium manifold as the number of intersection points of the evolution path connecting them with the set of critical ...
Andrea, Loi, Stefano, Matta
core  

Manifold signal processing for MIMO communications [PDF]

open access: yes, 2009
textThe coding and feedback inaccuracies of the channel state information (CSI) in limited feedback multiple-input multiple-output (MIMO) wireless systems can severely impact the achievable data rate and reliability. The CSI is mathematically represented
Inoue, Takao, doctor of electrical and computer engineering
core  

Gioventù felice in terra pavese. Le lettere di Albert Einstein al Museo per la Storia dell’Università di Pavia

open access: yes, 2005
Il volume presenta e contestualizza le tre lettere di Albert Einstein a Ernesta Pelizza Marangoni oggi custodite al Museo per la Storia dell'Università di Pavia. Oltre alla versione originale di queste lettere, si rende disponibile la loro traduzione in
WINTELER EINSTEIN, Maja   +5 more
core  

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