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Erik Vanem
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Journal Articles

Comparative Study of Machine Learning Methods for State of Health Estimation of Maritime Battery Systems

Christian Alm Grindheim, Morten Stakkeland, Ingrid Kristine Glad, Erik Vanem
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. June 2025, 147(3): 031404.
Paper No: OMAE-24-1013
https://doi.org/10.1115/1.4065967
Published Online: September 3, 2024
View Article titled, Comparative Study of Machine Learning Methods for State of Health Estimation of Maritime Battery Systems
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Topics: Batteries, Machine learning, Cycles, Temperature
Journal Articles

Complexity Analysis Using Graph Models for Conflict Resolution for Autonomous Ships in Complex Situations

Azzeddine Bakdi, Erik Vanem
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. June 2025, 147(3): 031406.
Paper No: OMAE-24-1028
https://doi.org/10.1115/1.4066198
Published Online: September 3, 2024
View Article titled, Complexity Analysis Using Graph Models for Conflict Resolution for Autonomous Ships in Complex Situations
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Topics: Collisions (Physics), Preferences, Risk, Ships, Vessels, Traffic, Decision making, Resolution (Optics), Algorithms
Proceedings Papers

A Scenario Optimization Approach to the Prediction of Extreme Structural Responses to Environmental Loading

Luis G. Crespo, Christian Agrell, Erik Vanem
Proc. ASME. OMAE2024, Volume 2: Structures, Safety, and Reliability, V002T02A074, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-131595
https://doi.org/10.1115/OMAE2024-131595
View Paper titled, A Scenario Optimization Approach to the Prediction of Extreme Structural Responses to Environmental Loading
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Topics: Optimization, Structural response analysis
Proceedings Papers

A Simulation Study on the Usefulness of the Bernstein Copula for Statistical Modeling of Metocean Variables

Erik Vanem, Øystein Lande, Elias Fekhari
Proc. ASME. OMAE2024, Volume 2: Structures, Safety, and Reliability, V002T02A003, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-121159
https://doi.org/10.1115/OMAE2024-121159
View Paper titled, A Simulation Study on the Usefulness of the Bernstein Copula for Statistical Modeling of Metocean Variables
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Topics: Modeling, Simulation, Design, Fittings, Goodness-of-fit tests, Marine structures, Ocean engineering, Stress, Wind energy, Wind waves
Journal Articles

A Joint Probability Distribution for Multivariate Wind-Wave Conditions and Discussions on Uncertainties

Erik Vanem, Elias Fekhari, Nikolay Dimitrov, Mark Kelly, Alexis Cousin, Martin Guiton
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. December 2024, 146(6): 061701.
Paper No: OMAE-23-1131
https://doi.org/10.1115/1.4064498
Published Online: February 27, 2024
View Article titled, A Joint Probability Distribution for Multivariate Wind-Wave Conditions and Discussions on Uncertainties
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Topics: Design, Modeling, Statistical distributions, Uncertainty, Waves, Wind, Wind velocity, Wind waves, Significant wave heights, Ocean engineering
Proceedings Papers

A Joint Probability Distribution Model for Multivariate Wind and Wave Conditions

Erik Vanem, Elias Fekhari, Nikolay Dimitrov, Mark Kelly, Alexis Cousin, Martin Guiton
Proc. ASME. OMAE2023, Volume 2: Structures, Safety, and Reliability, V002T02A013, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-101961
https://doi.org/10.1115/OMAE2023-101961
View Paper titled, A Joint Probability Distribution Model for Multivariate Wind and Wave Conditions
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Topics: Ocean engineering, Statistical distributions, Waves, Wind, Significant wave heights, Wind velocity, Computer simulation, Design, Offshore structural design, Offshore wind turbines
Journal Articles

Analyzing Extreme Sea State Conditions by Time-Series Simulation Accounting for Seasonality

Erik Vanem
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. October 2023, 145(5): 051201.
Paper No: OMAE-22-1167
https://doi.org/10.1115/1.4056786
Published Online: February 28, 2023
View Article titled, Analyzing Extreme Sea State Conditions by Time-Series Simulation Accounting for Seasonality
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Topics: Significant wave heights, Time series, Simulation
Proceedings Papers

Analyzing Extreme Sea State Conditions by Time-Series Simulation

Erik Vanem
Proc. ASME. OMAE2022, Volume 2: Structures, Safety, and Reliability, V002T02A041, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-78795
https://doi.org/10.1115/OMAE2022-78795
View Paper titled, Analyzing Extreme Sea State Conditions by Time-Series Simulation
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Topics: Seas, Significant wave heights, Simulation, Time series, Waves
Proceedings Papers

Bivariate Regional Frequency Analysis of Sea State Conditions

Erik Vanem
Proc. ASME. OMAE2021, Volume 2: Structures, Safety, and Reliability, V002T02A013, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-61988
https://doi.org/10.1115/OMAE2021-61988
View Paper titled, Bivariate Regional Frequency Analysis of Sea State Conditions
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Topics: Design, Interpolation, Marine structures, Modeling, North Atlantic Ocean, Ocean engineering, Oceans, Performance, Radiofrequency ablation, Seas
Proceedings Papers

Environmental Contours Based on a Direct Sampling Approach and the IFORM Approach: Contribution to a Benchmark Study

Erik Vanem, Arne Bang Huseby
Proc. ASME. OMAE2020, Volume 2A: Structures, Safety, and Reliability, V02AT02A042, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18041
https://doi.org/10.1115/OMAE2020-18041
View Paper titled, Environmental Contours Based on a Direct Sampling Approach and the IFORM Approach: Contribution to a Benchmark Study
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Topics: Event history analysis, Modeling, Stress, Uncertainty
Proceedings Papers

Adjusting Environmental Contours for Specified Expected Number of Unwanted Events

Erik Vanem
Proc. ASME. OMAE2020, Volume 2B: Structures, Safety, and Reliability, V02BT02A023, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-19293
https://doi.org/10.1115/OMAE2020-19293
View Paper titled, Adjusting Environmental Contours for Specified Expected Number of Unwanted Events
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Topics: Event history analysis, Failure, Probability, Stress
Proceedings Papers

Comparison of the Environmental Contour Method and Response-Based Analysis Using Response Emulator for Estimating Extreme Ship Responses

Erik Vanem, Bingjie Guo
Proc. ASME. OMAE2019, Volume 3: Structures, Safety, and Reliability, V003T02A019, June 9–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2019-95098
https://doi.org/10.1115/OMAE2019-95098
View Paper titled, Comparison of the Environmental Contour Method and Response-Based Analysis Using Response Emulator for Estimating Extreme Ship Responses
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Topics: Event history analysis, Machine learning, Marine structures, Seas, Ships, Significant wave heights, Stress, Structural response analysis, Tankers, Time series
Proceedings Papers

On Environmental Contours for Marine and Coastal Design

Emma Ross, Ole Christian Astrup, Elzbieta Bitner-Gregersen, Nigel Bunn, Graham Feld, Ben Gouldby, Arne Huseby, Ye Liu, David Randell, Erik Vanem, Philip Jonathan
Proc. ASME. OMAE2019, Volume 7B: Ocean Engineering, V07BT06A012, June 9–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2019-96587
https://doi.org/10.1115/OMAE2019-96587
View Paper titled, On Environmental Contours for Marine and Coastal Design
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Topics: Design, Shorelines, Stress, Ambiguity, Event history analysis, Reliability, Shells, Uncertainty
Journal Articles

Study on the Effect of Climate Change on Ship Responses Based on Nonlinear Simulations

Bingjie Guo, Odin Gramstad, Erik Vanem, Elzbieta Bitner-Gregersen
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research-Article
J. Offshore Mech. Arct. Eng. August 2019, 141(4): 041605.
Paper No: OMAE-18-1154
https://doi.org/10.1115/1.4042182
Published Online: January 17, 2019
View Article titled, Study on the Effect of Climate Change on Ship Responses Based on Nonlinear Simulations
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Topics: Climate change, Ships, Waves, Seas
Proceedings Papers

Uncertainty of Environmental Contours due to Sampling Variability

Odin Gramstad, Erik Vanem, Elzbieta Bitner-Gregersen
Proc. ASME. OMAE2018, Volume 7B: Ocean Engineering, V07BT06A008, June 17–22, 2018
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2018-77810
https://doi.org/10.1115/OMAE2018-77810
View Paper titled, Uncertainty of Environmental Contours due to Sampling Variability
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Topics: Uncertainty, Waves, Offshore structural design, Significant wave heights, Stress
Proceedings Papers

Comparison of Wind and Wave Extremes in Very Long-Term Climatic Scales

Christos N. Stefanakos, Erik Vanem
Proc. ASME. OMAE2018, Volume 7B: Ocean Engineering, V07BT06A005, June 17–22, 2018
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2018-77581
https://doi.org/10.1115/OMAE2018-77581
View Paper titled, Comparison of Wind and Wave Extremes in Very Long-Term Climatic Scales
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Topics: Waves, Wind, Climate, Climate change, Modeling, North Atlantic Ocean, Oceans, Risk management, Time series, Uncertainty
Proceedings Papers

Study on the Effect of Climate Change on Ship Responses Based on Nonlinear Simulations

Bingjie Guo, Odin Gramstad, Erik Vanem, Elzbieta Bitner-Gregersen
Proc. ASME. OMAE2018, Volume 11B: Honoring Symposium for Professor Carlos Guedes Soares on Marine Technology and Ocean Engineering, V11BT12A043, June 17–22, 2018
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2018-77934
https://doi.org/10.1115/OMAE2018-77934
View Paper titled, Study on the Effect of Climate Change on Ship Responses Based on Nonlinear Simulations
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Topics: Climate change, Engineering simulation, Ships, Simulation, Waves, Hull, Nonlinear waves, Climate, Event history analysis, Failure
Proceedings Papers

Projected Changes in the Occurrence of Extreme and Rogue Waves in Future Climate in the North Atlantic

Odin Gramstad, Elzbieta Bitner-Gregersen, Erik Vanem
Proc. ASME. OMAE2017, Volume 3A: Structures, Safety and Reliability, V03AT02A012, June 25–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2017-61795
https://doi.org/10.1115/OMAE2017-61795
View Paper titled, Projected Changes in the Occurrence of Extreme and Rogue Waves in Future Climate in the North Atlantic
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Topics: Climate, North Atlantic Ocean, Waves, Climate change, Meteorology, Seas, Significant wave heights, Uncertainty, Wind
Proceedings Papers

Climatic Forecasting of Wind and Waves Using Fuzzy Inference Systems

Christos N. Stefanakos, Erik Vanem
Proc. ASME. OMAE2017, Volume 3A: Structures, Safety and Reliability, V03AT02A048, June 25–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2017-61968
https://doi.org/10.1115/OMAE2017-61968
View Paper titled, Climatic Forecasting of Wind and Waves Using Fuzzy Inference Systems
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Topics: Waves, Wind, Engineering simulation, Simulation, Time series, Climate, Climate change, Design, Modeling, North Atlantic Ocean
Proceedings Papers

On the Influence of Environmental Contour Method in Estimating Extreme Structural Response

Erik Vanem
Proc. ASME. OMAE2017, Volume 3A: Structures, Safety and Reliability, V03AT02A050, June 25–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2017-61047
https://doi.org/10.1115/OMAE2017-61047
View Paper titled, On the Influence of Environmental Contour Method in Estimating Extreme Structural Response
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Topics: Approximation, Computational methods, Design, Event history analysis, Reliability, Simulation, Stress