Leifur Leifsson

Publication Activity (10 Years)

Years Active: 2013-2024
Publications (10 Years): 43

Top Topics

Global Optimization

Sensitivity Analysis

Top Venues

Publications

Anna Pietrenko-Dabrowska, Slawomir Koziel, Leifur Leifsson
Expedited Machine-Learning-Based Global Design Optimization of Antenna Systems Using Response Features and Multi-fidelity EM Analysis. ICCS (5) (2024)
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
Cost-Efficient Multi-Objective Design of Miniaturized Microwave Circuits Using Machine Learning and Artificial Neural Networks. ICCS (5) (2024)
Abhijnan Dikshit, Leifur Leifsson, Slawomir Koziel, Anna Pietrenko-Dabrowska
Adaptive Sampling for Non-intrusive Reduced Order Models Using Multi-task Variance. ICCS (5) (2024)
Vishal Raul, Leifur Leifsson
Multifidelity aerodynamic shape optimization for airfoil dynamic stall mitigation using manifold mapping. J. Comput. Sci. 75 (2024)
Taeho Jeong, Pavankumar Koratikere, Leifur Leifsson, Slawomir Koziel, Anna Pietrenko-Dabrowska
Adaptive Hyperparameter Tuning Within Neural Network-Based Efficient Global Optimization. ICCS (5) (2024)
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
Low-Cost Behavioral Modeling of Antennas by Dimensionality Reduction and Domain Confinement. ICCS (3) (2023)
Nazareen Sikkandar Basha, Leifur Leifsson, Christina L. Bloebaum
Identifying key parameters impacting cost in large-scale complex space programs using simulation-based global sensitivity analysis. Syst. Eng. 26 (3) (2023)
Fuad Erman, Slawomir Koziel, Leifur Leifsson
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. 10 (16) (2023)
Pavankumar Koratikere, Leifur Leifsson, Slawomir Koziel, Anna Pietrenko-Dabrowska
Efficient Uncertainty Quantification Using Sequential Sampling-Based Neural Networks. ICCS (3) (2023)
Pavankumar Koratikere, Leifur Leifsson, Slawomir Koziel, Anna Pietrenko-Dabrowska
Constrained Aerodynamic Shape Optimization Using Neural Networks and Sequential Sampling. ICCS (3) (2023)
Anna Pietrenko-Dabrowska, Slawomir Koziel, Leifur Leifsson
Expedited Metaheuristic-Based Antenna Optimization Using EM Model Resolution Management. ICCS (3) (2023)
Jan Olencki, Vorya Waladi, Adrian Bekasiewicz, Leifur Leifsson
A Low-Cost System for Far-Field Non-Anechoic Measurements of Antenna Performance Figures. IEEE Access 11 (2023)
Anna Pietrenko-Dabrowska, Slawomir Koziel, Leifur Leifsson
Multi-criterial Design of Antennas with Tolerance Analysis Using Response-Feature Predictors. ICCS (3) (2022)
Yen-Chen Liu, Leifur Leifsson, Anna Pietrenko-Dabrowska, Slawomir Koziel
Analysis of Agricultural and Engineering Systems Using Simulation Decomposition. ICCS (3) (2022)
Leifur Leifsson, Jethro Nagawkar, Laurel Barnet, Kenneth Bryden, Slawomir Koziel, Anna Pietrenko-Dabrowska
Global Surrogate Modeling by Neural Network-Based Model Uncertainty. ICCS (3) (2022)
Yen-Chen Liu, Leifur Leifsson, Slawomir Koziel, Anna Pietrenko-Dabrowska
Neural Network-Based Sequential Global Sensitivity Analysis Algorithm. ICCS (3) (2022)
Anna Pietrenko-Dabrowska, Slawomir Koziel, Leifur Leifsson
Global Design Optimization of Microwave Circuits Using Response Feature Inverse Surrogates. ICCS (3) (2022)
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
Expedited Optimization of Passive Microwave Devices Using Gradient Search and Principal Directions. ICCS (3) (2022)
Fuad Erman, Dalia Mansour, Mohammad Kouali, Arafat A. Shabaneh, Leifur Leifsson, Slawomir Koziel, Eng Hock Lim, Effariza Hanafi
Low-Profile Interdigitated UHF RFID Tag Antenna for Metallic Objects. IEEE Access 10 (2022)
Nazareen Sikkandar Basha, Leifur Leifsson, Christina L. Bloebaum
Endogenous Factors Affecting the Cost of Large-Scale Geo-Stationary Satellite Systems. ICCS (4) (2021)
Yen-Chen Liu, Jethro Nagawkar, Leifur Leifsson, Slawomir Koziel, Anna Pietrenko-Dabrowska
Iterative Global Sensitivity Analysis Algorithm with Neural Network Surrogate Modeling. ICCS (4) (2021)
Jethro Nagawkar, Leifur Leifsson
Gradient-enhanced multifidelity neural networks for high-dimensional function approximation. CoRR (2021)
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
Expedited Trust-Region-Based Design Closure of Antennas by Variable-Resolution EM Simulations. ICCS (4) (2021)
Vishal Raul, Yen-Chen Liu, Leifur Leifsson, Amy L. Kaleita
Modeling the Contribution of Agriculture Towards Soil Nitrogen Surplus in Iowa. ICCS (4) (2021)
Anna Pietrenko-Dabrowska, Slawomir Koziel, Leifur Leifsson
On Fast Multi-objective Optimization of Antenna Structures Using Pareto Front Triangulation and Inverse Surrogates. ICCS (4) (2021)
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
Improved Design Closure of Compact Microwave Circuits by Means of Performance Requirement Adaptation. ICCS (4) (2021)
Jethro Nagawkar, Leifur Leifsson, Roberto Miorelli, Pierre Calmon
Model-Based Sensitivity Analysis of Nondestructive Testing Systems Using Machine Learning Algorithms. ICCS (5) (2020)
Vishal Raul, Leifur Leifsson, Slawomir Koziel
Aerodynamic Shape Optimization for Delaying Dynamic Stall of Airfoils by Regression Kriging. ICCS (5) (2020)
Anna Pietrenko-Dabrowska, Slawomir Koziel, Leifur Leifsson
Reduced-Cost Constrained Modeling of Microwave and Antenna Components: Recent Advances. ICCS (5) (2020)
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
Reduced-Cost Design Optimization of High-Frequency Structures Using Adaptive Jacobian Updates. ICCS (3) (2019)
Xiaosong Du, Leifur Leifsson, Slawomir Koziel
Rapid Multi-band Patch Antenna Yield Estimation Using Polynomial Chaos-Kriging. ICCS (3) (2019)
Xiaosong Du, Jin Yan, Simon Laflamme, Leifur Leifsson, Yonatan A. Tesfahunegn, Slawomir Koziel
Model-Assisted Probability of Detection for Structural Health Monitoring of Flat Plates. ICCS (2) (2018)
Slawomir Koziel, Adrian Bekasiewicz, Leifur Leifsson, Xiaosong Du, Yonatan A. Tesfahunegn
Explicit Size-Reduction-Oriented Design of a Compact Microstrip Rat-Race Coupler Using Surrogate-Based Optimization Methods. ICCS (2) (2018)
Xiaosong Du, Praveen Gurrala, Leifur Leifsson, Jiming Song, William Q. Meeker, Ronald A. Roberts, Slawomir Koziel, Yonatan A. Tesfahunegn
Stochastic-Expansions-Based Model-Assisted Probability of Detection Analysis of the Spherically-Void-Defect Benchmark Problem. ICCS (2) (2018)
Adrian Bekasiewicz, Slawomir Koziel, Leifur Leifsson, Xiaosong Du
Pareto Ranking Bisection Algorithm for EM-Driven Multi-Objective Design of Antennas in Highly-Dimensional Parameter Spaces. ICCS (2017)
Xiaosong Du, Leifur Leifsson, Slawomir Koziel, Adrian Bekasiewicz
Airfoil Design Under Uncertainty Using Non-Intrusive Polynomial Chaos Theory and Utility Functions. ICCS (2017)
Piotr Kurgan, Slawomir Koziel, Leifur Leifsson, Xiaosong Du
Expedite Design of Variable-Topology Broadband Hybrid Couplers for Size Reduction Using Surrogate-Based Optimization and Co-Simulation Coarse Models. ICCS (2017)
Jacob Siegler, Jie Ren, Leifur Leifsson, Slawomir Koziel, Adrian Bekasiewicz
Supersonic Airfoil Shape Optimization by Variable-fidelity Models and Manifold Mapping. ICCS (2016)
Slawomir Koziel, Adrian Bekasiewicz, Leifur Leifsson
Cost-Efficient Microwave Design Optimization Using Adaptive Response Scaling. ICCS (2016)
Jacob Siegler, Leifur Leifsson, Robert Grandin, Slawomir Koziel, Adrian Bekasiewicz
Surrogate Modeling of Ultrasonic Nondestructive Evaluation Simulations. ICCS (2016)
Slawomir Koziel, Adrian Bekasiewicz, Leifur Leifsson
Expedited Dimension Scaling of Microwave and Antenna Structures using Inverse Surrogates. ICCS (2016)
Adrian Bekasiewicz, Slawomir Koziel, Leifur Leifsson
Sequential Domain Patching for Computationally Feasible Multi-objective Optimization of Expensive Electromagnetic Simulation Models. ICCS (2016)
Ingi M. Jonsson, Leifur Leifsson, Slawomir Koziel, Yonatan A. Tesfahunegn, Adrian Bekasiewicz
Trawl-Door Shape Optimization by Space-Mapping- Corrected CFD Models and Kriging Surrogates. ICCS (2016)
Slawomir Koziel, Leifur Leifsson
Editorial. J. Comput. Sci. 9 (2015)
Slawomir Koziel, Adrian Bekasiewicz, Leifur Leifsson
Multi-Objective Design Optimization of Planar Yagi-Uda Antenna Using Physics-Based Surrogates and Rotational Design Space Reduction. ICCS (2015)
Ingi M. Jonsson, Leifur Leifsson, Slawomir Koziel, Yonatan A. Tesfahunegn, Adrian Bekasiewicz
Shape Optimization of Trawl-doors Using Variable-fidelity Models and Space Mapping. ICCS (2015)
Leifur Leifsson, Elvar Hermannsson, Slawomir Koziel
Optimal shape design of multi-element trawl-doors using local surrogate models. J. Comput. Sci. 10 (2015)
Leifur Leifsson, Slawomir Koziel
Aerodynamic shape optimization by variable-fidelity computational fluid dynamics models: A review of recent progress. J. Comput. Sci. 10 (2015)
Adrian Bekasiewicz, Slawomir Koziel, Leifur Leifsson
Fast Optimization of Integrated Photonic Components Using Response Correction and Local Approximation Surrogates. ICCS (2015)
Yonatan A. Tesfahunegn, Slawomir Koziel, Leifur Leifsson, Adrian Bekasiewicz
Surrogate-based Airfoil Design with Space Mapping and Adjoint Sensitivity. ICCS (2015)
Slawomir Koziel, Leifur Leifsson
Efficient knowledge-based optimization of expensive computational models using adaptive response correction. J. Comput. Sci. 11 (2015)
Slawomir Koziel, Adrian Bekasiewicz, Piotr Kurgan, Leifur Leifsson
Computationally-Efficient EM-Simulation-Driven Multi-objective Design of Compact Microwave Structures. SIMULTECH (Selected Papers) (2014)
Slawomir Koziel, Stanislav Ogurtsov, Leifur Leifsson
Decomposition and Space Mapping for Reduced-Cost Modeling of Waveguide Filters. SIMULTECH (Selected Papers) (2013)
Oleksandr Glubokov, Slawomir Koziel, Leifur Leifsson
Efficient Design of Inline E-Plane Waveguide Extracted Pole Filters Through Enhanced Equivalent Circuits and Space Mapping. SIMULTECH (Selected Papers) (2013)