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Proceedings Papers

Model Tests and Numerical Prediction of the Low Frequency Motions of a Moored Ship in Shallow Water With a Wave Splitting Method

Nuno Fonseca, Galin Tahchiev, Sébastien Fouques, Carl Trygve Stansberg, José Miguel Rodrigues

Proc. ASME. OMAE2020, Volume 1: Offshore Technology, V001T01A036, August 3–7, 2020

Paper No: OMAE2020-18806

DOI: https://doi.org/10.1115/OMAE2020-18806

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Topics: Mooring, Ships, Water, Waves, Computer simulation, Oceans, Uncertainty, Engineering simulation, Sensors, Simulation

Journal Articles

Low Frequency Wave Loads and Damping of Four MODUs in Severe Seastates With Current

Nuno Fonseca, Carl Trygve Stansberg, Kjell Larsen, Rune Bjørkli, Tjerand Vigesdal, Oddgeir Dalane

J. Offshore Mech. Arct. Eng. February 2021, 143(1): 011203.

Paper No: OMAE-19-1189

DOI: https://doi.org/10.1115/1.4047544

Published Online: July 28, 2020

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Topics: Damping, Flow (Dynamics), Wave drift forces, Waves, Surges, Semi-submersible offshore structures, Transfer functions

Proceedings Papers

Low Frequency Excitation and Damping of Four MODUs in Severe Seastates With Current

Nuno Fonseca, Carl Trygve Stansberg, Kjell Larsen, Rune Bjørkli, Tjerand Vigesdal, Oddgeir Dalane

Proc. ASME. OMAE2018, Volume 1: Offshore Technology, V001T01A064, June 17–22, 2018

Paper No: OMAE2018-77873

DOI: https://doi.org/10.1115/OMAE2018-77873

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Topics: Damping, Excitation, Mobile offshore drilling units, Waves, Approximation, Frequency response, Significant wave heights, Statistics, Surges, Transfer functions

Proceedings Papers

Useful Indicators for Screening of Sea States for Wave Impacts on Fixed and Floating Platforms

Tim Bunnik, Carl Trygve Stansberg, Csaba Pakozdi, Sebastien Fouques, Luke Somers

Proc. ASME. OMAE2018, Volume 1: Offshore Technology, V001T01A076, June 17–22, 2018

Paper No: OMAE2018-78544

DOI: https://doi.org/10.1115/OMAE2018-78544

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Topics: Seas, Waves, Design, Stress, Uncertainty, Probability, Computational fluid dynamics, Safety, Accidents, Floating structures

Proceedings Papers

Experimental and Numerical Study of the Free Surface Elevation Over the Pontoons of a Semisubmersible Platform in Waves

João Pessoa, Carl Trygve Stansberg, Nuno Fonseca, Manuel Laranjinha

Proc. ASME. OMAE2018, Volume 1: Offshore Technology, V001T01A030, June 17–22, 2018

Paper No: OMAE2018-78009

DOI: https://doi.org/10.1115/OMAE2018-78009

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Topics: Semi-submersible offshore structures, Waves, Computation, Diffraction, Radiation (Physics), Signals, Computer simulation, Energy dissipation, Flow (Dynamics), Gages

Proceedings Papers

Calibration of a Time-Domain Numerical Hydrodynamic Model for Mooring Analysis of a Semi-Submersible

Nuno Fonseca, Carl Trygve Stansberg

Proc. ASME. OMAE2018, Volume 1: Offshore Technology, V001T01A080, June 17–22, 2018

Paper No: OMAE2018-78753

DOI: https://doi.org/10.1115/OMAE2018-78753

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Topics: Calibration, Mooring, Semi-submersible offshore structures, Damping, Engineering simulation, Simulation, Wave drift forces, Computer simulation, Diffraction, Surges

Journal Articles

Computational Fluid Dynamics Reproduction of Nonlinear Loads on a Vertical Column During Extreme Irregular Wave Events

Erin E. Bachynski, Csaba Pákozdi, Anders Östman, Carl Trygve Stansberg

J. Offshore Mech. Arct. Eng. December 2018, 140(6): 061804.

Paper No: OMAE-16-1129

DOI: https://doi.org/10.1115/1.4040442

Published Online: July 12, 2018

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Topics: Computational fluid dynamics, Waves, Stress

Proceedings Papers

Wave Drift Forces and Low Frequency Damping on the Exwave Semi-Submersible

Nuno Fonseca, Carl Trygve Stansberg

Proc. ASME. OMAE2017, Volume 1: Offshore Technology, V001T01A085, June 25–30, 2017

Paper No: OMAE2017-62539

DOI: https://doi.org/10.1115/OMAE2017-62539

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Topics: Damping, Semi-submersible offshore structures, Wave drift forces, Waves, Flow (Dynamics), Excitation, Harmonic oscillators, Signals, Transfer functions, Wave drift

Proceedings Papers

Wave Drift Forces and Low Frequency Damping on the Exwave FPSO

Nuno Fonseca, Carl Trygve Stansberg

Proc. ASME. OMAE2017, Volume 1: Offshore Technology, V001T01A086, June 25–30, 2017

Paper No: OMAE2017-62540

DOI: https://doi.org/10.1115/OMAE2017-62540

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Topics: Damping, FPSO, Wave drift forces, Waves, Excitation, Flow (Dynamics), Harmonic oscillators, Signals, Surges, Wave drift

Proceedings Papers

Simulation of Low Frequency Motions in Severe Seastates Accounting for Wave-Current Interaction Effects

Babak Ommani, Nuno Fonseca, Carl Trygve Stansberg

Proc. ASME. OMAE2017, Volume 1: Offshore Technology, V001T01A088, June 25–30, 2017

Paper No: OMAE2017-62550

DOI: https://doi.org/10.1115/OMAE2017-62550

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Topics: Accounting, Simulation, Waves, Wave drift forces, Floating structures, Flow (Dynamics), Interpolation, Seas, Semi-submersible offshore structures

Proceedings Papers

Effects of Wave-Current Interaction on Floating Bodies

Elin Marita Hermundstad, Jan Roger Hoff, Carl Trygve Stansberg, Rolf Baarholm

Proc. ASME. OMAE2016, Volume 1: Offshore Technology; Offshore Geotechnics, V001T01A040, June 19–24, 2016

Paper No: OMAE2016-54868

DOI: https://doi.org/10.1115/OMAE2016-54868

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Topics: Floating bodies, Waves, Mooring, Semi-submersible offshore structures, Damping, Potential theory (Physics), Water, Wave drift, Wave drift forces

Proceedings Papers

CFD Reproduction of Model Test Generated Extreme Irregular Wave Events and Nonlinear Loads on a Vertical Column

Csaba Pakozdi, Anders Östman, Erin E. Bachynski, Carl Trygve Stansberg

Proc. ASME. OMAE2016, Volume 2: CFD and VIV, V002T08A024, June 19–24, 2016

Paper No: OMAE2016-54869

DOI: https://doi.org/10.1115/OMAE2016-54869

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Topics: Computational fluid dynamics, Stress, Waves, Signals, Uncertainty, Computer simulation, Cylinders, Excitation, Kinematics

Proceedings Papers

Estimation of Wave Loads due to Green Water Events in 10000-Year Conditions on a TLP Deck Structure

Csaba Pakozdi, Anders Östman, Guomin Ji, Carl Trygve Stansberg, Ola Reum, Stig Ovrebo, Tone Vestbøstad, Christian Sorvaag, Jon Ersland

Proc. ASME. OMAE2016, Volume 1: Offshore Technology; Offshore Geotechnics, V001T01A050, June 19–24, 2016

Paper No: OMAE2016-54839

DOI: https://doi.org/10.1115/OMAE2016-54839

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Topics: Stress, Tension-leg platforms, Water, Waves, Computational fluid dynamics, Time series, Hydrodynamics, Structural design, Design, Engineering simulation

Proceedings Papers

The EXWAVE JIP: Improved Procedures to Calculate Slowly Varying Wave Drift Forces on Floating Units in Extreme Seas

Nuno Fonseca, Carl Trygve Stansberg, Arne Nestegård, Arne Bøckmann, Rolf Baarholm

Proc. ASME. OMAE2016, Volume 1: Offshore Technology; Offshore Geotechnics, V001T01A037, June 19–24, 2016

Paper No: OMAE2016-54829

DOI: https://doi.org/10.1115/OMAE2016-54829

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Topics: Computational fluid dynamics, Design, Drilling rigs, Excitation, Floating structures, FPSO, Mobile offshore drilling units, Nonlinear waves, Seas, Semi-submersible offshore structures

Proceedings Papers

Benchmark Study of Numerical Approaches for Wave-Current Interaction Problem of Offshore Floaters

Zhiyuan Pan, Torgeir Vada, Styrk Finne, Arne Nestegård, Jan Roger Hoff, Elin Marita Hermundstad, Carl Trygve Stansberg

Proc. ASME. OMAE2016, Volume 1: Offshore Technology; Offshore Geotechnics, V001T01A024, June 19–24, 2016

Paper No: OMAE2016-54411

DOI: https://doi.org/10.1115/OMAE2016-54411

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Topics: Ocean engineering, Waves, Mooring, Semi-submersible offshore structures, Tankers, Wave drift forces

Journal Articles

Airgap Statistics for a Tension Leg Platform

Oleg Gaidai, Arvid Naess, Carl Trygve Stansberg

J. Offshore Mech. Arct. Eng. February 2015, 137(1): 011602.

Paper No: OMAE-13-1092

DOI: https://doi.org/10.1115/1.4028734

Published Online: October 21, 2014

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Topics: Statistics, Tension-leg platforms, Waves, Seas, Time series, Probability

Proceedings Papers

Nonlinear Wave Amplification Around Column-Based Platforms in Steep Waves

Carl Trygve Stansberg

Proc. ASME. OMAE2014, Volume 1B: Offshore Technology, V01BT01A046, June 8–13, 2014

Paper No: OMAE2014-24569

DOI: https://doi.org/10.1115/OMAE2014-24569

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Topics: Nonlinear waves, Waves, Computational fluid dynamics, Cylinders, Design, Diffraction, Engineering design, Modeling, Offshore wind turbines, Water

Proceedings Papers

Green Water on FPSO Analyzed by a Coupled Potential-Flow-NS-VOF Method

Csaba Pakozdi, Anders Östman, Carl-Trygve Stansberg, Daniel Fonseca de Carvalho e Silva

Proc. ASME. OMAE2014, Volume 8B: Ocean Engineering, V08BT06A008, June 8–13, 2014

Paper No: OMAE2014-23913

DOI: https://doi.org/10.1115/OMAE2014-23913

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Topics: Flow (Dynamics), FPSO, Water, Waves, Computational fluid dynamics, Simulation, Design, Kinematics, Potential theory (Physics), Boundary-value problems

Proceedings Papers

A Fully Nonlinear RANS-VOF Numerical Wavetank Applied in the Analysis of Green Water on FPSO in Waves

Anders Östman, Csaba Pakozdi, Lucia Sileo, Carl-Trygve Stansberg, Daniel Fonseca de Carvalho e Silva

Proc. ASME. OMAE2014, Volume 8B: Ocean Engineering, V08BT06A010, June 8–13, 2014

Paper No: OMAE2014-23927

DOI: https://doi.org/10.1115/OMAE2014-23927

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Topics: FPSO, Reynolds-averaged Navier–Stokes equations, Water, Waves, Simulation, Seas, Computational fluid dynamics, Vessels, Computer software, Stress

Proceedings Papers

Green Water on FPSO Predicted by a Practical Engineering Method and Validated Against Model Test Data for Irregular Waves

Rafael Vergara Schiller, Csaba Pâkozdi, Carl Trygve Stansberg, Douglas Gustavo Takashi Yuba, Daniel Fonseca de Carvalho e Silva

Proc. ASME. OMAE2014, Volume 8B: Ocean Engineering, V08BT06A029, June 8–13, 2014

Paper No: OMAE2014-24084

DOI: https://doi.org/10.1115/OMAE2014-24084

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Topics: FPSO, Water, Waves, Seas, Vessels, Design, Stress, Engineers, Mooring, Numerical analysis

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Journal citation

NARROW

Model Tests and Numerical Prediction of the Low Frequency Motions of a Moored Ship in Shallow Water With a Wave Splitting Method

Low Frequency Wave Loads and Damping of Four MODUs in Severe Seastates With Current

Low Frequency Excitation and Damping of Four MODUs in Severe Seastates With Current

Useful Indicators for Screening of Sea States for Wave Impacts on Fixed and Floating Platforms

Experimental and Numerical Study of the Free Surface Elevation Over the Pontoons of a Semisubmersible Platform in Waves

Calibration of a Time-Domain Numerical Hydrodynamic Model for Mooring Analysis of a Semi-Submersible

Computational Fluid Dynamics Reproduction of Nonlinear Loads on a Vertical Column During Extreme Irregular Wave Events

Wave Drift Forces and Low Frequency Damping on the Exwave Semi-Submersible

Wave Drift Forces and Low Frequency Damping on the Exwave FPSO

Simulation of Low Frequency Motions in Severe Seastates Accounting for Wave-Current Interaction Effects

Effects of Wave-Current Interaction on Floating Bodies

CFD Reproduction of Model Test Generated Extreme Irregular Wave Events and Nonlinear Loads on a Vertical Column

Estimation of Wave Loads due to Green Water Events in 10000-Year Conditions on a TLP Deck Structure

The EXWAVE JIP: Improved Procedures to Calculate Slowly Varying Wave Drift Forces on Floating Units in Extreme Seas

Benchmark Study of Numerical Approaches for Wave-Current Interaction Problem of Offshore Floaters

Airgap Statistics for a Tension Leg Platform

Nonlinear Wave Amplification Around Column-Based Platforms in Steep Waves

Green Water on FPSO Analyzed by a Coupled Potential-Flow-NS-VOF Method

A Fully Nonlinear RANS-VOF Numerical Wavetank Applied in the Analysis of Green Water on FPSO in Waves

Green Water on FPSO Predicted by a Practical Engineering Method and Validated Against Model Test Data for Irregular Waves

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