Results 111 to 120 of about 2,434,105 (316)

A nonmonotone trust region technique with active-set and interior-point methods to solve nonlinearly constrained optimization problems

open access: yesAIMS Mathematics
This study is devoted to incorporating a nonmonotone strategy with an automatically adjusted trust-region radius to propose a more efficient hybrid of trust-region approaches for constrained optimization problems.
Bothina El-Sobky   +2 more
doaj   +1 more source

Mises, Kantorovich and Economic Computation [PDF]

open access: yes
An article that reviews the work of Kantorovich in the light of von Mises claim that rational calculations were impossible without markets. It gives a tutorial introduction to the use of Kantorovich's methods, compares his approach to that of Dantzig. An
Cockshott, W. Paul
core   +1 more source

Interior Point Methods for Nondifferentiable Optimization

open access: yes, 1998
We describe the analytic center cutting plane method and its relationship to classical methods of nondifferentiable optimization and column generation. Implementations issues are also discussed, and current applications listed.
Goffin, Jean-Louis, Vial, Jean-Philippe
openaire   +2 more sources

Nitride‐Reinforced Metal Matrix Nanocomposite Powders Production by Plasma‐Assisted Thermochemical Treatment of Intermetallic Powders

open access: yesAdvanced Engineering Materials, EarlyView.
This study proposes a new methodology for producing metal matrix nanocomposites in the solid state. The process involves the plasma‐assisted thermochemical treatment of metallic alloy powders. As a proof‐of‐concept, TiN nanoparticles are synthesized directly on the surface of FeTi intermetallic powder particles, enabling the development of the ...
Deivison Daros Paim   +4 more
wiley   +1 more source

Interaction between Molten Al‐Killed Mn–B Steel and Carbon‐Bonded MgO Refractories Based on Recyclates

open access: yesAdvanced Engineering Materials, EarlyView.
High‐temperature interactions between low‐sulfur Al‐killed Mn–B steel and MgO–C refractories (0 and 50 wt% recyclates) are studied via finger immersion tests (1600 °C). Surface‐active elements influence infiltration. MgO/CaS layer forms, along with spinel and calcium silicate.
Matheus Roberto Bellé   +5 more
wiley   +1 more source

Screen‐Printed Flexible Piezoelectric Force Sensor Array with Electromagnetic Interference Shielding

open access: yesAdvanced Engineering Materials, EarlyView.
This article introduces a flexible screen‐printed piezoelectric sensor array designed for low‐frequency healthcare applications such as tactile sensing and cardiovascular monitoring. The device integrates interface electronics enabling the simultaneous acquisition of up to 128 signals, along with flexible EMI shielding that significantly reduces noise ...
Joseph Faudou   +6 more
wiley   +1 more source

Transfer of Energy and Momentum Between Magnetoactive Surface Microstructure and a Solid Object

open access: yesAdvanced Engineering Materials, EarlyView.
We demonstrate that magnetoactive multilamellar arrays subjected to a rotating magnetic field can function as platforms for controlled transport of physical objects. Through systematic experimental investigation, we elucidate the underlying physical mechanisms determining the upper limit of the achievable transportation speed in such magnetic “conveyor‐
Arne Geldof   +9 more
wiley   +1 more source

Convergence of infeasible-interior-point methods for self-scaled conic programming

open access: yes, 2003
Convergence of infeasible-interior-point methods for self-scaled conic ...
Rangarajan, B.K., Todd, M. J.
core  

Influence of Sample Preparation and Processing Procedures on the Thermal Diffusivity of MgO‐C Refractories

open access: yesAdvanced Engineering Materials, EarlyView.
The thermal diffusivity of MgO‐C refractories is highly sensitive to sample preparation and processing procedures. In this article, the effects of coking sequence, machining conditions, structural inhomogeneity, and graphite coating application on measurements using laser flash apparatus are systematically investigated.
Luyao Pan   +4 more
wiley   +1 more source

A New and Efficient Interior Point Method Based on a Weight Vector for Solving LCCO Problems

open access: yesJournal of Optimization, Differential Equations and Their Applications
In this paper, we propose a new full-Newton step weighted interior point method for solving linearly constrained convex optimization problems (LCCO).
Nawel Boudjellal, Djamel Benterki
doaj   +1 more source

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