Leifur Þ. Leifsson

Orcid: 0000-0001-5134-870X

According to our database1, Leifur Þ. Leifsson authored at least 98 papers between 2008 and 2023.

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Bibliography

2023
Broadband/Dual-Band Metal-Mountable UHF RFID Tag Antennas: A Systematic Review, Taxonomy Analysis, Standards of Seamless RFID System Operation, Supporting IoT Implementations, Recommendations, and Future Directions.
IEEE Internet Things J., August, 2023

Identifying key parameters impacting cost in large-scale complex space programs using simulation-based global sensitivity analysis.
Syst. Eng., May, 2023

A Low-Cost System for Far-Field Non-Anechoic Measurements of Antenna Performance Figures.
IEEE Access, 2023

Expedited Metaheuristic-Based Antenna Optimization Using EM Model Resolution Management.
Proceedings of the Computational Science - ICCS 2023, 2023

Low-Cost Behavioral Modeling of Antennas by Dimensionality Reduction and Domain Confinement.
Proceedings of the Computational Science - ICCS 2023, 2023

Efficient Uncertainty Quantification Using Sequential Sampling-Based Neural Networks.
Proceedings of the Computational Science - ICCS 2023, 2023

Constrained Aerodynamic Shape Optimization Using Neural Networks and Sequential Sampling.
Proceedings of the Computational Science - ICCS 2023, 2023

2022
Low-Profile Interdigitated UHF RFID Tag Antenna for Metallic Objects.
IEEE Access, 2022

Global Design Optimization of Microwave Circuits Using Response Feature Inverse Surrogates.
Proceedings of the Computational Science - ICCS 2022, 2022

Multi-criterial Design of Antennas with Tolerance Analysis Using Response-Feature Predictors.
Proceedings of the Computational Science - ICCS 2022, 2022

Analysis of Agricultural and Engineering Systems Using Simulation Decomposition.
Proceedings of the Computational Science - ICCS 2022, 2022

Neural Network-Based Sequential Global Sensitivity Analysis Algorithm.
Proceedings of the Computational Science - ICCS 2022, 2022

Global Surrogate Modeling by Neural Network-Based Model Uncertainty.
Proceedings of the Computational Science - ICCS 2022, 2022

Expedited Optimization of Passive Microwave Devices Using Gradient Search and Principal Directions.
Proceedings of the Computational Science - ICCS 2022, 2022

2021
Gradient-enhanced multifidelity neural networks for high-dimensional function approximation.
CoRR, 2021

Modeling the Contribution of Agriculture Towards Soil Nitrogen Surplus in Iowa.
Proceedings of the Computational Science - ICCS 2021, 2021

On Fast Multi-objective Optimization of Antenna Structures Using Pareto Front Triangulation and Inverse Surrogates.
Proceedings of the Computational Science - ICCS 2021, 2021

Iterative Global Sensitivity Analysis Algorithm with Neural Network Surrogate Modeling.
Proceedings of the Computational Science - ICCS 2021, 2021

Improved Design Closure of Compact Microwave Circuits by Means of Performance Requirement Adaptation.
Proceedings of the Computational Science - ICCS 2021, 2021

Expedited Trust-Region-Based Design Closure of Antennas by Variable-Resolution EM Simulations.
Proceedings of the Computational Science - ICCS 2021, 2021

Endogenous Factors Affecting the Cost of Large-Scale Geo-Stationary Satellite Systems.
Proceedings of the Computational Science - ICCS 2021, 2021

2020
Aerodynamic Shape Optimization for Delaying Dynamic Stall of Airfoils by Regression Kriging.
Proceedings of the Computational Science - ICCS 2020, 2020

Reduced-Cost Constrained Modeling of Microwave and Antenna Components: Recent Advances.
Proceedings of the Computational Science - ICCS 2020, 2020

Model-Based Sensitivity Analysis of Nondestructive Testing Systems Using Machine Learning Algorithms.
Proceedings of the Computational Science - ICCS 2020, 2020

2019
Reduced-Cost Design Optimization of High-Frequency Structures Using Adaptive Jacobian Updates.
Proceedings of the Computational Science - ICCS 2019, 2019

Rapid Multi-band Patch Antenna Yield Estimation Using Polynomial Chaos-Kriging.
Proceedings of the Computational Science - ICCS 2019, 2019

2018
Explicit Size-Reduction-Oriented Design of a Compact Microstrip Rat-Race Coupler Using Surrogate-Based Optimization Methods.
Proceedings of the Computational Science - ICCS 2018, 2018

Model-Assisted Probability of Detection for Structural Health Monitoring of Flat Plates.
Proceedings of the Computational Science - ICCS 2018, 2018

Stochastic-Expansions-Based Model-Assisted Probability of Detection Analysis of the Spherically-Void-Defect Benchmark Problem.
Proceedings of the Computational Science - ICCS 2018, 2018

2017
Expedite Design of Variable-Topology Broadband Hybrid Couplers for Size Reduction Using Surrogate-Based Optimization and Co-Simulation Coarse Models.
Proceedings of the International Conference on Computational Science, 2017

Airfoil Design Under Uncertainty Using Non-Intrusive Polynomial Chaos Theory and Utility Functions.
Proceedings of the International Conference on Computational Science, 2017

Pareto Ranking Bisection Algorithm for EM-Driven Multi-Objective Design of Antennas in Highly-Dimensional Parameter Spaces.
Proceedings of the International Conference on Computational Science, 2017

2016
Supersonic Airfoil Shape Optimization by Variable-fidelity Models and Manifold Mapping.
Proceedings of the International Conference on Computational Science 2016, 2016

Surrogate Modeling of Ultrasonic Nondestructive Evaluation Simulations.
Proceedings of the International Conference on Computational Science 2016, 2016

Expedited Dimension Scaling of Microwave and Antenna Structures using Inverse Surrogates.
Proceedings of the International Conference on Computational Science 2016, 2016

Cost-Efficient Microwave Design Optimization Using Adaptive Response Scaling.
Proceedings of the International Conference on Computational Science 2016, 2016

Trawl-Door Shape Optimization by Space-Mapping- Corrected CFD Models and Kriging Surrogates.
Proceedings of the International Conference on Computational Science 2016, 2016

Sequential Domain Patching for Computationally Feasible Multi-objective Optimization of Expensive Electromagnetic Simulation Models.
Proceedings of the International Conference on Computational Science 2016, 2016

2015
Aerodynamic shape optimization by variable-fidelity computational fluid dynamics models: A review of recent progress.
J. Comput. Sci., 2015

Simulation-driven design of low-speed wind tunnel contraction.
J. Comput. Sci., 2015

Optimal shape design of multi-element trawl-doors using local surrogate models.
J. Comput. Sci., 2015

Efficient knowledge-based optimization of expensive computational models using adaptive response correction.
J. Comput. Sci., 2015

Editorial.
J. Comput. Sci., 2015

Variable-resolution shape optimisation: low-fidelity model selection and scalability.
Int. J. Math. Model. Numer. Optimisation, 2015

Surrogate-based Airfoil Design with Space Mapping and Adjoint Sensitivity.
Proceedings of the International Conference on Computational Science, 2015

Multi-Objective Design Optimization of Planar Yagi-Uda Antenna Using Physics-Based Surrogates and Rotational Design Space Reduction.
Proceedings of the International Conference on Computational Science, 2015

Shape Optimization of Trawl-doors Using Variable-fidelity Models and Space Mapping.
Proceedings of the International Conference on Computational Science, 2015

Fast Optimization of Integrated Photonic Components Using Response Correction and Local Approximation Surrogates.
Proceedings of the International Conference on Computational Science, 2015

2014
Computationally-Efficient EM-Simulation-Driven Multi-objective Design of Compact Microwave Structures.
Proceedings of the Simulation and Modeling Methodologies, Technologies and Applications, 2014

Low-cost EM-simulation-based multi-objective design optimization of miniaturized microwave structures.
Proceedings of the 4th International Conference On Simulation And Modeling Methodologies, 2014

Trawl-door shape optimization with 3D CFD models and local surrogates.
Proceedings of the 4th International Conference On Simulation And Modeling Methodologies, 2014

Computationally efficient multi-objective optimization of and experimental validation of Yagi-Uda antenna.
Proceedings of the 4th International Conference On Simulation And Modeling Methodologies, 2014

Computational Optimization, Modelling and Simulation: Past, Present and Future.
Proceedings of the International Conference on Computational Science, 2014

Fast Low-fidelity Wing Aerodynamics Model for Surrogate-based Shape Optimization.
Proceedings of the International Conference on Computational Science, 2014

Low-cost EM-simulation-driven Multi-objective Optimization of Antennas.
Proceedings of the International Conference on Computational Science, 2014

Nested Space Mapping Technology for Expedite EM-driven Design of Compact RF/Microwave Components.
Proceedings of the International Conference on Computational Science, 2014

2013
Variable-fidelity Aerodynamic Optimization using CFD Models.
Proceedings of the SIMULTECH 2013, 2013

Decomposition and Space Mapping for Reduced-Cost Modeling of Waveguide Filters.
Proceedings of the Simulation and Modeling Methodologies, Technologies and Applications, 2013

Low-cost Modeling of Waveguide Filters using Decomposition and Space Mapping.
Proceedings of the SIMULTECH 2013, 2013

Design of Antenna Arrays using Surrogate-based Optimization.
Proceedings of the SIMULTECH 2013, 2013

Hydrodynamic Design Optimization of Trawl-door Shapes with Local Surrogate Models.
Proceedings of the SIMULTECH 2013, 2013

Efficient Design of Inline E-Plane Waveguide Extracted Pole Filters Through Enhanced Equivalent Circuits and Space Mapping.
Proceedings of the Simulation and Modeling Methodologies, Technologies and Applications, 2013

Surrogate Modeling and Optimization of Inline E-plane Waveguide Extracted Pole Filters.
Proceedings of the SIMULTECH 2013, 2013

Computational Optimization, Modelling and Simulation: Recent Trends and Challenges.
Proceedings of the International Conference on Computational Science, 2013

Physics-Based Surrogates for Low-Cost Modeling of Microwave Structures.
Proceedings of the International Conference on Computational Science, 2013

Multi-Level CFD-Based Airfoil Shape Optimization With Automated Low-Fidelity Model Selection.
Proceedings of the International Conference on Computational Science, 2013

Shape-Preserving Response Prediction for Engineering Design Optimization.
Proceedings of the International Conference on Computational Science, 2013

2012
Computational Optimization, Modelling and Simulation: Smart Algorithms and Better Models.
Proceedings of the International Conference on Computational Science, 2012

Low-Fidelity Model Mesh Density and the Performance of Variable-Resolution Shape Optimization Algorithms.
Proceedings of the International Conference on Computational Science, 2012

Numerical Optimization and Experimental Validation of a Low Speed Wind Tunnel Contraction.
Proceedings of the International Conference on Computational Science, 2012

Knowledge-Based Response Correction and Adaptive Design Specifications for Microwave Design Optimization.
Proceedings of the International Conference on Computational Science, 2012

Scaling Properties of Multi-Fidelity Shape Optimization Algorithms.
Proceedings of the International Conference on Computational Science, 2012

Advances in simulation-driven optimization and modeling.
J. Comput. Methods Sci. Eng., 2012

Simulation-driven design using surrogate-based optimization and variable-resolution computational fluid dynamic models.
J. Comput. Methods Sci. Eng., 2012

Variable-fidelity simulation-driven design optimisation of microwave structures.
Int. J. Math. Model. Numer. Optimisation, 2012

Wing Aerodynamic Shape Optimization by Space Mapping.
Proceedings of the Simulation and Modeling Methodologies, Technologies and Applications, 2012

Hydrodynamic Shape Optimization of Fishing Gear Trawl-Doors.
Proceedings of the Simulation and Modeling Methodologies, Technologies and Applications, 2012

On Low-Fidelity Model Selection for Antenna Design Using Variable-Resolution EM Simulations.
Proceedings of the Simulation and Modeling Methodologies, Technologies and Applications, 2012

Managing Model Fidelity for Efficient Optimization of Antennas using Variable-resolution Electromagnetic Simulations.
Proceedings of the SIMULTECH 2012 - Proceedings of the 2nd International Conference on Simulation and Modeling Methodologies, Technologies and Applications, Rome, Italy, 28, 2012

Efficient Design Optimization of Microwave Structures Using Adjoint Sensitivity.
Proceedings of the Simulation and Modeling Methodologies, Technologies and Applications, 2012

Microwave Design Optimization Exploiting Adjoint Sensitivity.
Proceedings of the SIMULTECH 2012 - Proceedings of the 2nd International Conference on Simulation and Modeling Methodologies, Technologies and Applications, Rome, Italy, 28, 2012

Transonic Wing Optimization by Variable-resolution Modeling and Space Mapping.
Proceedings of the SIMULTECH 2012 - Proceedings of the 2nd International Conference on Simulation and Modeling Methodologies, Technologies and Applications, Rome, Italy, 28, 2012

Trawl-door Performance Analysis and Design Optimization with CFD.
Proceedings of the SIMULTECH 2012 - Proceedings of the 2nd International Conference on Simulation and Modeling Methodologies, Technologies and Applications, Rome, Italy, 28, 2012

Low-speed Modeling and Simulation of Torpedo-shaped AUVs.
Proceedings of the ICINCO 2012 - Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics, Volume 2, Rome, Italy, 28, 2012

2011
Variable-Fidelity Aerodynamic Shape Optimization.
Proceedings of the Computational Optimization, Methods and Algorithms, 2011

Airfoil Shape Optimization Using Variable-Fidelity Modeling and Shape-Preserving Response Prediction.
Proceedings of the Computational Optimization and Applications in Engineering and Industry, 2011

Surrogate-Based Methods.
Proceedings of the Computational Optimization, Methods and Algorithms, 2011

Computational optimization, modelling and simulation: Recent advances and overview.
Proceedings of the International Conference on Computational Science, 2011

Inverse Design of Transonic Airfoils Using Variable-Resolution Modeling and Pressure Distribution Alignment.
Proceedings of the International Conference on Computational Science, 2011

Simulation-Driven Design of Antennas Using Coarse-Discretization Electromagnetic Models.
Proceedings of the International Conference on Computational Science, 2011

Variable-fidelity aerodynamic shape optimisation of single-element airfoils at high-lift conditions.
Int. J. Math. Model. Numer. Optimisation, 2011

Hydrodynamic Shape Optimization of Axisymmetric Bodies Using Multi-fidelity Modeling.
Proceedings of the Simulation and Modeling Methodologies, Technologies and Applications, 2011

Multi-fidelity Design Optimization of Axisymmetric Bodies in Incompressible Flow.
Proceedings of the SIMULTECH 2011 - Proceedings of 1st International Conference on Simulation and Modeling Methodologies, Technologies and Applications, Noordwijkerhout, The Netherlands, 29, 2011

Design of Dielectric Resonator Antennas using Surrogate-based Optimization and Electromagnetic Models.
Proceedings of the SIMULTECH 2011 - Proceedings of 1st International Conference on Simulation and Modeling Methodologies, Technologies and Applications, Noordwijkerhout, The Netherlands, 29, 2011

Transonic Airfoil Design by the Inverse Method using Variable-fidelity Modelling.
Proceedings of the SIMULTECH 2011 - Proceedings of 1st International Conference on Simulation and Modeling Methodologies, Technologies and Applications, Noordwijkerhout, The Netherlands, 29, 2011

2010
Multi-fidelity design optimization of transonic airfoils using shape-preserving response prediction.
Proceedings of the International Conference on Computational Science, 2010

Multi-fidelity design optimization of transonic airfoils using physics-based surrogate modeling and shape-preserving response prediction.
J. Comput. Sci., 2010

2008
Grey-box modeling of an ocean vessel for operational optimization.
Simul. Model. Pract. Theory, 2008


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