Results 11 to 20 of about 376,109 (314)

Feature extraction and artificial neural networks for the on-the-fly classification of high-dimensional thermochemical spaces in adaptive-chemistry simulations

open access: yesData-Centric Engineering, 2021
The integration of Artificial Neural Networks (ANNs) and Feature Extraction (FE) in the context of the Sample- Partitioning Adaptive Reduced Chemistry approach was investigated in this work, to increase the on-the-fly classification accuracy for very ...
Giuseppe D’Alessio   +2 more
doaj   +1 more source

Study on sequence problem optimization using variation-robust multi-objective optimization genetic algorithm

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2022
As a solution for sequence optimization, and to obtain a solution that is strong robustness to variations, a multi-objective robust design optimization (MORDO) and robust genetic algorithm (GA) are applied to a multi-objective optimization problem.
Takashi YAMAZAKI   +4 more
doaj   +1 more source

A Review of the Numerical Investigations of Jet-In-Hot-Coflow Burner With Reactor-Based Models

open access: yesFrontiers in Mechanical Engineering, 2020
Moderate or Intense Low-oxygen Dilution (MILD) combustion is considered as one of the most promising novel combustion technologies, as it ensures high efficiency and very low emissions (NOx and CO).
Zhiyi Li   +3 more
doaj   +1 more source

Probabilistic Optimization Techniques in Smart Power System

open access: yesEnergies, 2022
Uncertainties are the most significant challenges in the smart power system, necessitating the use of precise techniques to deal with them properly. Such problems could be effectively solved using a probabilistic optimization strategy.
Muhammad Riaz   +4 more
doaj   +1 more source

On the Influence of Kinetic Uncertainties on the Accuracy of Numerical Modeling of an Industrial Flameless Furnace Fired With NH3/H2 Blends: A Numerical and Experimental Study

open access: yesFrontiers in Energy Research, 2020
Ammonia/hydrogen-fueled combustion represents a very promising solution for the future energy scenario. This study aims to shed light and understand the behavior of ammonia/hydrogen blends under flameless conditions.
Marco Ferrarotti   +9 more
doaj   +1 more source

Evaluation of Modeling Approaches for MILD Combustion Systems With Internal Recirculation

open access: yesFrontiers in Mechanical Engineering, 2020
Numerical simulations employing two different modeling approaches are performed and validated against experimental results from a moderate or intense low-oxygen dilution (MILD) system with internal recirculation. The flamelet-generated manifold (FGM) and
Ruggero Amaduzzi   +7 more
doaj   +1 more source

Frameworks and Results in Distributionally Robust Optimization

open access: yesOpen Journal of Mathematical Optimization, 2022
The concepts of risk aversion, chance-constrained optimization, and robust optimization have developed significantly over the last decade. The statistical learning community has also witnessed a rapid theoretical and applied growth by relying on these ...
Rahimian, Hamed, Mehrotra, Sanjay
doaj   +1 more source

PCAfold: Python software to generate, analyze and improve PCA-derived low-dimensional manifolds

open access: yesSoftwareX, 2020
Many scientific disciplines rely on dimensionality reduction techniques for computationally less expensive handling of multivariate data sets. In particular, Principal Component Analysis (PCA) is a popular method that can be used to discover the ...
Kamila Zdybał   +3 more
doaj   +1 more source

Robust inverse optimization [PDF]

open access: yesOperations Research Letters, 2018
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Kimia Ghobadi   +3 more
openaire   +3 more sources

Robust Optimization for Electricity Generation [PDF]

open access: yesINFORMS Journal on Computing, 2021
We consider a robust optimization problem in an electric power system under uncertain demand and availability of renewable energy resources. Solving the deterministic alternating current (AC) optimal power flow (ACOPF) problem has been considered challenging since the 1960s due to its nonconvexity. Linear approximation of the AC power flow system sees
Haoxiang Yang   +3 more
openaire   +3 more sources

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