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Proceedings Papers

On Methodology for a Digital Twin of Ship Propulsion Under Harsh Environmental Conditions

Etienne Purcell, Amir R. Nejad, Angelo Böhm, Lina Sapp, Jorrid Lund, Franz von Bock und Polach, Brendon M. Nickerson, Anriëtte Bekker, Markus Gilges, Ahmed Saleh, Benjamin Lehmann, Georg Jacobs, Mostafa Valavi, Tobias Kranz
Proc. ASME. OMAE2024, Volume 6: Polar and Arctic Sciences and Technology; CFD, FSI, and AI, V006T07A024, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-124047
https://doi.org/10.1115/OMAE2024-124047
View Paper titled, On Methodology for a Digital Twin of Ship Propulsion Under Harsh Environmental Conditions
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Topics: Digital twin, Propulsion, Ships, Damage, Ice, Propellers, Engineering simulation, Engines, Modeling, Motors
Proceedings Papers

The Influence of Structural Stiffness and Ice Shape on Impact Loads in Ice-Structure Interaction Experiments

Franciska Müller, Franz von Bock und Polach, Sören Ehlers
Proc. ASME. OMAE2024, Volume 6: Polar and Arctic Sciences and Technology; CFD, FSI, and AI, V006T07A014, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-124820
https://doi.org/10.1115/OMAE2024-124820
View Paper titled, The Influence of Structural Stiffness and Ice Shape on Impact Loads in Ice-Structure Interaction Experiments
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Topics: Ice, Ice-structure interaction, Shapes, Stiffness, Stress
Proceedings Papers

Numerical Investigation of Manoeuvring Performance of an Icebreaking Tanker in Ice-Prone Baltic Sea Environments

Saeid Panahi, Rüdiger Ulrich Franz von Bock und Polach, Moustafa Abdel-Maksoud, Jan Oberhagemann
Proc. ASME. OMAE2024, Volume 6: Polar and Arctic Sciences and Technology; CFD, FSI, and AI, V006T07A019, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-128222
https://doi.org/10.1115/OMAE2024-128222
View Paper titled, Numerical Investigation of Manoeuvring Performance of an Icebreaking Tanker in Ice-Prone Baltic Sea Environments
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Topics: Computer simulation, Ice, Seas, Ships, Tankers
Proceedings Papers

Experimental and Numerical Analysis of Ice Crushing Tests With Different Shaped Ice Specimens

Franciska Müller, Angelo Böhm, Hauke Herrnring, Rüdiger U. Franz von Bock und Polach, Sören Ehlers
Proc. ASME. OMAE2023, Volume 6: Polar and Arctic Sciences and Technology, V006T07A015, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-103425
https://doi.org/10.1115/OMAE2023-103425
View Paper titled, Experimental and Numerical Analysis of Ice Crushing Tests With Different Shaped Ice Specimens
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Topics: Ice, Numerical analysis, Shapes, Failure mechanisms, Geometry, Ice-structure interaction, Ships, Failure, Stress, Coulombs
Proceedings Papers

Numerical Analysis of Ice Blocks Impact on Stiffened Plates According to a Mohr-Coulomb Material and Node Splitting Technique

Sungwon Yoon, Hauke Herrnring, Franciska Müller, Franz von Bock und Polach
Proc. ASME. OMAE2023, Volume 6: Polar and Arctic Sciences and Technology, V006T07A013, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-102584
https://doi.org/10.1115/OMAE2023-102584
View Paper titled, Numerical Analysis of Ice Blocks Impact on Stiffened Plates According to a Mohr-Coulomb Material and Node Splitting Technique
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Topics: Coulombs, Ice, Ice-structure interaction, Numerical analysis, Plates (structures), Collisions (Physics), Kinetic energy, Steel, Arctic engineering, Brittleness
Proceedings Papers

Analyzing Flexural Strength Data of Ice: How Useful Is Explainable Machine Learning?

Patrik Buil, Leon Kellner, Sören Ehlers, Franz von Bock und Polach
Proc. ASME. OMAE2022, Volume 6: Polar and Arctic Sciences and Technology, V006T07A012, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-87434
https://doi.org/10.1115/OMAE2022-87434
View Paper titled, Analyzing Flexural Strength Data of Ice: How Useful Is Explainable Machine Learning?
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Topics: Bending strength, Ice, Machine learning
Proceedings Papers

Splitting-Tests of Laboratory-Made Granular Ice With a Propeller-Like Indenter

Angelo Mario Böhm, Hauke Herrnring, Franz von Bock und Polach
Proc. ASME. OMAE2022, Volume 6: Polar and Arctic Sciences and Technology, V006T07A013, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-78186
https://doi.org/10.1115/OMAE2022-78186
View Paper titled, Splitting-Tests of Laboratory-Made Granular Ice With a Propeller-Like Indenter
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Topics: Ice, Propellers, Sea ice, Stress, Force measurement, Milling, Arctic region, Climate change, Compressive strength, Computer simulation
Proceedings Papers

Hydrodynamic and Mechanic Response of a Floating Flexible Ice Floe in Regular Waves With the ICFD Method

Jonas Behnen, Rüdiger u. Franz von Bock und Polach, Marco Klein, Sören Ehlers
Proc. ASME. OMAE2022, Volume 6: Polar and Arctic Sciences and Technology, V006T07A008, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-78878
https://doi.org/10.1115/OMAE2022-78878
View Paper titled, Hydrodynamic and Mechanic Response of a Floating Flexible Ice Floe in Regular Waves With the ICFD Method
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Topics: Ice floes, Waves, Ice, Climate, Simulation, Stress, Water, Climate change, Computer simulation, Deflection
Proceedings Papers

Lessons Learned: The Influence of Testing Properties on Uniaxial Compression Tests of Ice

Angelo Mario Böhm, Hauke Herrnring, Franz von Bock und Polach
Proc. ASME. OMAE2022, Volume 6: Polar and Arctic Sciences and Technology, V006T07A019, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-78068
https://doi.org/10.1115/OMAE2022-78068
View Paper titled, Lessons Learned: The Influence of Testing Properties on Uniaxial Compression Tests of Ice
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Topics: Compression, Ice, Testing, Design, Arctic region, Ships, Arctic structures, Brittleness, Canals, Climate change
Proceedings Papers

The Influence of Edge Treatment on Fatigue Behavior of Thermal Cut Edges

Jan-Hendrik Grimm, Juliana Diniz e Castro, Hubertus von Selle, Moritz Braun, Franz von Bock und Polach, Sören Ehlers, Jonas Hensel, Ann-Christin Hesse, Klaus Dilger
Proc. ASME. OMAE2022, Volume 2: Structures, Safety, and Reliability, V002T02A033, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-78431
https://doi.org/10.1115/OMAE2022-78431
View Paper titled, The Influence of Edge Treatment on Fatigue Behavior of Thermal Cut Edges
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Topics: Cutting, Fatigue, Fatigue testing, Steel, Yield strength
Proceedings Papers

New Findings on the Impact of the Idealization of Corrosion on the Brittle Failure of Steel

Michael Biglu, Franz von Bock und Polach, Sören Ehlers
Proc. ASME. OMAE2022, Volume 2: Structures, Safety, and Reliability, V002T02A040, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-82014
https://doi.org/10.1115/OMAE2022-82014
View Paper titled, New Findings on the Impact of the Idealization of Corrosion on the Brittle Failure of Steel
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Topics: Brittleness, Corrosion, Failure, Finite element analysis, Steel
Proceedings Papers

A Comparison of Finite Element Computations and an Analytical Approach for Determining Hull-Induced Underwater-Radiated Noise

Gyde Andresen-Paulsen, Rüdiger Ulrich Franz von Bock und Polach, Matthias Donderer
Proc. ASME. OMAE2022, Volume 5A: Ocean Engineering, V05AT06A015, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-78674
https://doi.org/10.1115/OMAE2022-78674
View Paper titled, A Comparison of Finite Element Computations and an Analytical Approach for Determining Hull-Induced Underwater-Radiated Noise
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Topics: Computation, Finite element analysis, Hull, Noise (Sound), Underwater acoustics
Proceedings Papers

The Impact of Cyclic Loading on the Flexural Strength of Ice

Ihsan Kaplan, R. U. Franz von Bock und Polach
Proc. ASME. OMAE2021, Volume 7: Polar and Arctic Sciences and Technology, V007T07A001, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-62289
https://doi.org/10.1115/OMAE2021-62289
View Paper titled, The Impact of Cyclic Loading on the Flexural Strength of Ice
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Topics: Bending strength, Ice, Waves, Climate change, Cycles, Displacement, Sea ice
Proceedings Papers

Condition Monitoring of Ship Propulsion Systems: State-of-the-Art, Development Trend and Role of Digital Twin

Amir R. Nejad, Etienne Purcell, Mostafa Valavi, Roman Hudak, Benjamin Lehmann, Francisco Gutiérrez Guzmán, Felix Behrendt, Angelo Mario Bõhm, Franz von Bock und Polach, Brendon M. Nickerson, Anriëtte Bekker, Withold Drazyk
Proc. ASME. OMAE2021, Volume 7: Polar and Arctic Sciences and Technology, V007T07A005, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-61847
https://doi.org/10.1115/OMAE2021-61847
View Paper titled, Condition Monitoring of Ship Propulsion Systems: State-of-the-Art, Development Trend and Role of Digital Twin
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Topics: Condition monitoring, Propulsion systems, Ships, Failure, Antarctic region, Arctic region, Ice, Machinery, Maintenance, Propulsion
Proceedings Papers

Wave Propagation in Continuous Sea Ice: An Experimental Perspective

Giulio Passerotti, Alberto Alberello, Azam Dolatshah, Luke Bennetts, Otto Puolakka, Franz von Bock und Polach, Marco Klein, Moritz Hartmann, Jaak Monbaliu, Alessandro Toffoli
Proc. ASME. OMAE2020, Volume 7: Polar and Arctic Sciences and Technology, V007T07A010, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18181
https://doi.org/10.1115/OMAE2020-18181
View Paper titled, Wave Propagation in Continuous Sea Ice: An Experimental Perspective
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Topics: Sea ice, Wave propagation, Ice, Waves, Ice floes, Wave energy, Collisions (Physics), Deformation, Fracture (Materials), Fracture (Process)
Proceedings Papers

A Discrete Element Model for Brash Ice Simulations

Jonas Behnen, Quentin Hisette, Sören Ehlers, Rüdiger U. Franz von Bock und Polach
Proc. ASME. OMAE2020, Volume 7: Polar and Arctic Sciences and Technology, V007T07A015, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18667
https://doi.org/10.1115/OMAE2020-18667
View Paper titled, A Discrete Element Model for Brash Ice Simulations
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Topics: Ice, Simulation, Computer simulation, Mechanical behavior, Cold climates, Concretes, Design, Discrete element methods, Friction, Ice rubble
Proceedings Papers

Impact of Forced Roll Motion on the Ice Resistance of Modern Icebreaking Bow Geometries

Johanna Marie Daniel, Tuomas Romu, R. U. Franz von Bock und Polach, Moustafa Abdel-Maksoud, Toni Skogström
Proc. ASME. OMAE2020, Volume 7: Polar and Arctic Sciences and Technology, V007T07A024, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-19178
https://doi.org/10.1115/OMAE2020-19178
View Paper titled, Impact of Forced Roll Motion on the Ice Resistance of Modern Icebreaking Bow Geometries
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Topics: Ice, Icebreakers, Hull, Propulsion, Vessels, Coatings, Computational methods, Design, Friction
Proceedings Papers

Simulation of Ship-Ice Interaction in Level Ice

Sandro Erceg, Sören Ehlers, Franz von Bock und Polach
Proc. ASME. OMAE2020, Volume 7: Polar and Arctic Sciences and Technology, V007T07A022, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18031
https://doi.org/10.1115/OMAE2020-18031
View Paper titled, Simulation of Ship-Ice Interaction in Level Ice
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Topics: Ice, Ships, Simulation
Proceedings Papers

Case Based Scaling: Recent Developments in Ice Model Testing Technology

R. U. Franz von Bock und Polach, Gesa Ziemer, Marco Klein, Moritz C. N. Hartmann, Alessandro Toffoli, Jason Monty
Proc. ASME. OMAE2020, Volume 7: Polar and Arctic Sciences and Technology, V007T07A011, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18320
https://doi.org/10.1115/OMAE2020-18320
View Paper titled, Case Based Scaling: Recent Developments in Ice Model Testing Technology
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Topics: Ice, Testing, Waves, Failure, Modeling, Ships, Bending strength, High pressure (Physics), Icebreakers, Deflection
Proceedings Papers

Damping of Regular Waves in Model Ice

Moritz C. N. Hartmann, R. U. Franz von Bock und Polach, Marco Klein
Proc. ASME. OMAE2020, Volume 7: Polar and Arctic Sciences and Technology, V007T07A009, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18152
https://doi.org/10.1115/OMAE2020-18152
View Paper titled, Damping of Regular Waves in Model Ice
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Topics: Damping, Ice, Waves, Dispersion relations, Wave amplitude, Acoustics, Model basin, Water waves, Wave propagation