Results 71 to 80 of about 5,776,228 (320)

Conserved- and zero-mean quadratic quantities in oscillatory systems

open access: yes, 2005
We study quadratic functionals of the variables of a linear oscillatory system and their derivatives. We show that such functionals are partitioned in conserved quantities and in trivially- and intrinsic zero-mean quantities.
Rapisarda, Paolo, Willems, Jan C.
core   +2 more sources

Revisiting Stability Criteria in Ball‐Milled High‐Entropy Alloys: Do Hume–Rothery and Thermodynamic Rules Equally Apply?

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
The stability criteria affecting the formation of high‐entropy alloys, particularly focusing in supersaturated solid solutions produced by mechanical alloying, are analyzed. Criteria based on Hume–Rothery rules are distinguished from those derived from thermodynamic relations. The formers are generally applicable to mechanically alloyed samples.
Javier S. Blázquez   +5 more
wiley   +1 more source

Can body volume predict of body weight in Pelibuey ewe lambs? [PDF]

open access: yesCiência Rural
: In traditional sheep production systems in tropical regions, the evaluation and monitoring of animal growth are not commonly practiced. This is primarily attributed to the limited adoption of technology and the high costs associated with acquiring ...
Ignacio Vazquez-Martinez   +8 more
doaj   +1 more source

Quadratically converging rational mean iterations

open access: yesJournal of Mathematical Analysis and Applications, 1991
Several examples of mean iterations (mixing algorithms of means: \(a_{n+1}=M_ 1(a_ n,b_ n),\) \(b_{n+1}=M_ 2(a_ n,b_ n);\) \(n=0,1,2,...;\) in addition to the usual properties of means, also homogeneity \(M_ k(\lambda x,\lambda y)=\lambda M_ k(x,y),\quad k=1,2,\) is supposed) with quadratic convergence \((| a_{n+1}- b_{n+1}| =0(| a_ n-b_ n|^ 2))\) are ...
openaire   +1 more source

Enhancing Corrosion Resistance and Mechanical Strength of 3D‐Printed Iron Polylactic Acid for Marine Applications via Laser Surface Texturing

open access: yesAdvanced Engineering Materials, EarlyView.
Laser surface texturing significantly improves the corrosion resistance and mechanical strength of 3D‐printed iron polylactic acid (Ir‐PLA) for marine applications. Optimal laser parameters reduce corrosion by 80% and enhance tensile strength by 25% and ductility by 15%.
Mohammad Rezayat   +6 more
wiley   +1 more source

Best Possible Bounds for Neuman-Sándor Mean by the Identric, Quadratic and Contraharmonic Means

open access: yesAbstract and Applied Analysis, 2013
We prove that the double inequalities Iα1(a,b)Q1-α1(a,b)
Tie-Hong Zhao   +3 more
doaj   +1 more source

Optimal tracking control in photovoltaic using linear quadratic tracking

open access: yesJournal of Aceh Physics Society, 2022
Abstrak. Penelitian ini membahas tentang masalah penjejak pasif photovoltaic terhadap posisi matahari secara optimal. Penjejak pasif digunakan ketika penjejak aktif tidak berfungsi.
Mohd Iqbal Muttaqin   +3 more
doaj   +1 more source

Linear–Quadratic Mean-Field Game for Stochastic Delayed Systems

open access: yesIEEE Transactions on Automatic Control, 2018
This paper studies the linear–quadratic mean-field game (MFG) for a class of stochastic delayed systems. We consider a large-population system, where the dynamics of each agent is modeled by a stochastic differential delayed equation.
Jianhui Huang, Na Li
semanticscholar   +1 more source

Mean field game for linear–quadratic stochastic recursive systems [PDF]

open access: yesSystems & Control Letters, 2019
This paper focuses on linear-quadratic (LQ for short) mean-field games described by forward-backward stochastic differential equations (FBSDEs for short), in which the individual control region is postulated to be convex. The decentralized strategies and consistency condition are represented by a kind of coupled mean-field FBSDEs with projection ...
Zhang, L, Li, X
openaire   +3 more sources

Characterization of Defect Distribution in an Additively Manufactured AlSi10Mg as a Function of Processing Parameters and Correlations with Extreme Value Statistics

open access: yesAdvanced Engineering Materials, EarlyView.
Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt   +8 more
wiley   +1 more source

Home - About - Disclaimer - Privacy