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Chapter
Identifying Properties of Real-World Optimisation Problems Through a Questionnaire
Optimisation algorithms are commonly compared on benchmarks to get insight into performance differences. However, it is not clear how closely benchmarks match the properties of real-world problems because thes...
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Article
Dominant parameters for maximum velocity induced by body-force models for plasma actuators
This study investigates the relationship between body-force fields and maximum velocity induced in quiescent air for development of a simple body-force model of a plasma actuator. Numerical simulations are con...
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Chapter and Conference Paper
A Generic Framework for Incorporating Constraint Handling Techniques into Multi-Objective Evolutionary Algorithms
A generic framework for incorporating constraint handling techniques (CHTs) into multi-objective evolutionary algorithms (MOEAs) is proposed to resolve the differences between MOEAs from algorithmic and implem...
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Chapter and Conference Paper
The Impact of Population Size, Number of Children, and Number of Reference Points on the Performance of NSGA-III
We investigate the impact of three control parameters (the population size \(\mu \) , the number of children ...
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Chapter and Conference Paper
Two- and Three-Dimensional Numerical Analysis for Flow Field Characteristics at Various Low Reynolds Numbers
Two- (2D) and three-dimensional (3D) simulation of flow over a flat plate at various low Reynolds numbers (Re) are conducted. The predictability of instantaneous flow fields in the 2D simulation and variation of ...
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Chapter and Conference Paper
Extending AεSεH from Many-objective to Multi-objective Optimization
This work analyzes the dynamics of dominance based multi-objective evolutionary algorithms and extends a many-objective evolutionary algorithm so that it can also work effectively in multi-objective problems. ...
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Chapter
Distribution Search on Evolutionary Many-Objective Optimization: Selection Map**s and Recombination Rate
This work studies distribution search in the context of evolutionary many-objective optimization where, in addition to good convergence towards the optimal Pareto front, it is required to find a set of trade-o...
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Chapter and Conference Paper
A New Multiobjective Genetic Programming for Extraction of Design Information from Non-dominated Solutions
We propose a new type of multi-objective genetic programming (MOGP) for multi-objective design exploration (MODE). The characteristic of the new MOGP is the simultaneous symbolic regression to multiple objecti...
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Chapter and Conference Paper
An Alternative Preference Relation to Deal with Many-Objective Optimization Problems
In this paper, we use an alternative preference relation that couples an achievement function and the ε-indicator in order to improve the scalability of a Multi-Objective Evolutionary Algorithm (moea) in many-obj...
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Chapter and Conference Paper
Adaptive ε-Sampling and ε-Hood for Evolutionary Many-Objective Optimization
Many-objective problems are becoming common in several real-world application domains and there is a growing interest to develop evolutionary many-objective optimizers that can solve them effectively. Studies ...
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Chapter and Conference Paper
Analysis on Population Size and Neighborhood Recombination on Many-Objective Optimization
This work analyzes population size and neighborhood recombination in the context of many-objective optimization. Large populations might support better the evolutionary search to deal with the increased comple...
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Chapter and Conference Paper
A Study on Large Population MOEA Using Adaptive ε-Box Dominance and Neighborhood Recombination for Many-Objective Optimization
Multi-objective evolutionary algorithms are increasingly being investigated to solve many-objective optimization problems. However, most algorithms recently proposed for many-objective optimization cannot find...
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Chapter and Conference Paper
Large-Eddy Simulation of the Flow over a Thin Airfoil at Low Reynolds Number
The performance of airfoil NACA0002 at Reynolds number of 2.3 × 104 is investigated with large-eddy simulation (LES). The angle of attack is 3, 6, or 9 degree. The behavior of a laminar separation bubble which ap...
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Chapter and Conference Paper
Aerodynamic Multiobjective Design Exploration of Flap** Wing Using a Navier–Stokes Solver
An aerodynamic design optimization problem of a three-dimensional flap** wing is explored with the multiobjective design exploration framework coupled with a Navier – Stokes solver. The results show that the...
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Chapter and Conference Paper
Propulsion by an Oscillating Thin Airfoil at Low Reynolds Number
This paper describes an investigation of the mechanisms producing thrust for an airfoil performing a pitching or heaving motion in a low Reynolds-number flow (Re = 1000, based on chord length) by analysis of nume...
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Chapter
Constraint-Handling in Evolutionary Aerodynamic Design
Constraint-handling techniques for evolutionary multiobjective aerodynamic and multidisciplinary designs are focused. Because number of evaluations is strictly limited in aerodynamic or multidisciplinary desig...
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Chapter and Conference Paper
Transonic Wing Shape Optimization Based on Evolutionary Algorithms
A practical three-dimensional shape optimization for aerodynamic design of a transonic wing has been performed using Evolutionary Algorithms (EAs). Because EAs coupled with aerodynamic function evaluations req...
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Chapter and Conference Paper
Real-Coded Adaptive Range Genetic Algorithm Applied to Transonic Wing Optimization
Real-coded Adaptive Range Genetic Algorithms (ARGAs) have been applied to a practical three-dimensional shape optimization for aerodynamic design of an aircraft wing. The real-coded ARGAs possess both advantag...