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Proceedings Papers

Numerical and Experimental Investigation of the Wave Loading on a Three-Legged Offshore Wind Turbine Jacket Platform

Ioannis K. Chatjigeorgiou, Konstantinos Chatziioannou, Vanessa Katsardi, Apostolos Koukouselis, Euripidis Mistakidis

Proc. ASME. OMAE2018, Volume 9: Offshore Geotechnics; Honoring Symposium for Professor Bernard Molin on Marine and Offshore Hydrodynamics, V009T13A005, June 17–22, 2018

Paper No: OMAE2018-78416

DOI: https://doi.org/10.1115/OMAE2018-78416

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Topics: Offshore wind turbines, Waves, Finite element model, Computer programming, Computer software, Kinematics, Nonlinear waves, Particulate matter, Stress, Structural analysis

Proceedings Papers

Wave Diffraction on Arrays of Vertical Truncated Cylindrical Bodies

Spyros A. Mavrakos, Ioannis K. Chatjigeorgiou, Dimitrios N. Konispoliatis

Proc. ASME. OMAE2018, Volume 9: Offshore Geotechnics; Honoring Symposium for Professor Bernard Molin on Marine and Offshore Hydrodynamics, V009T13A008, June 17–22, 2018

Paper No: OMAE2018-78287

DOI: https://doi.org/10.1115/OMAE2018-78287

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Topics: Diffraction, Waves, Cylinders, Stress, Absorption, Ocean engineering, Resonance, Wave energy, Wave energy converters

Proceedings Papers

A Frequency-Domain, Finite-Order Representation of a Catenary Riser’s Dominant Nonlinear Dynamics

Dimitris C. Kazangas, Nikolaos I. Xiros, Ioannis K. Chatjigeorgiou

Proc. ASME. OMAE2013, Volume 1: Offshore Technology, V001T01A083, June 9–14, 2013

Paper No: OMAE2013-11640

DOI: https://doi.org/10.1115/OMAE2013-11640

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Topics: Computer simulation, Dynamics (Mechanics), Equilibrium (Physics), Nonlinear dynamics, Partial differential equations, Pipeline risers, Risers (Casting), Signals, Simulation models

Proceedings Papers

Reduced Degrees-of-Freedom of the Nonlinear Dynamics of Elastic Pipelines for Airborne Refueling

Ioannis T. Georgiou, Ioannis K. Chatjigeorgiou

Proc. ASME. IMECE2011, Volume 7: Dynamic Systems and Control; Mechatronics and Intelligent Machines, Parts A and B, 675-684, November 11–17, 2011

Paper No: IMECE2011-64910

DOI: https://doi.org/10.1115/IMECE2011-64910

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Topics: Degrees of freedom, Nonlinear dynamics, Pipelines, Aircraft, Flow (Dynamics), Boundary-value problems, Damping, Dynamic response, Dynamic systems, Dynamics (Mechanics)

Proceedings Papers

Wave Elevation Between Elliptical Structures

Ioannis K. Chatjigeorgiou, Spyros A. Mavrakos

Proc. ASME. OMAE2009, Volume 1: Offshore Technology, 887-894, May 31–June 5, 2009

Paper No: OMAE2009-80187

DOI: https://doi.org/10.1115/OMAE2009-80187

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Topics: Waves, Computational methods, Cylinders, Fluids, Potential theory (Physics), Ships, Theorems (Mathematics)

Proceedings Papers

Performance Characteristics of a Tightly Moored Piston-Like Wave Energy Converter Under First- and Second-Order Wave Loads

Spyros A. Mavrakos, George M. Katsaounis, Ioannis K. Chatjigeorgiou

Proc. ASME. OMAE2008, Volume 6: Nick Newman Symposium on Marine Hydrodynamics; Yoshida and Maeda Special Symposium on Ocean Space Utilization; Special Symposium on Offshore Renewable Energy, 783-792, June 15–20, 2008

Paper No: OMAE2008-57867

DOI: https://doi.org/10.1115/OMAE2008-57867

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Topics: Mooring, Performance characterization, Pistons, Stress, Wave energy converters, Waves, Cylinders, Diffraction, Eigenfunctions, Radiation (Physics)

Proceedings Papers

Numerical and Experimental Investigation on the Dynamics of Catenary Risers and the Riser-Induced-Damping Phenomenon

Ioannis K. Chatjigeorgiou, Gilbert Damy, Marc LeBoulluec

Proc. ASME. OMAE2008, Volume 1: Offshore Technology, 671-680, June 15–20, 2008

Paper No: OMAE2008-57616

DOI: https://doi.org/10.1115/OMAE2008-57616

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Topics: Damping, Dynamics (Mechanics), Pipeline risers, Risers (Casting), Mooring, Drag (Fluid dynamics), Cycles, Floating structures

Proceedings Papers

Extreme Bending Moments on Long Catenary Risers Due to Heave Excitation

Ioannis K. Chatjigeorgiou, Elizabeth Passano, Carl M. Larsen

Proc. ASME. OMAE2007, Volume 1: Offshore Technology; Special Symposium on Ocean Measurements and Their Influence on Design, 449-459, June 10–15, 2007

Paper No: OMAE2007-29384

DOI: https://doi.org/10.1115/OMAE2007-29384

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Topics: Excitation, Pipeline risers, Risers (Casting), Approximation, Eigenvalues, Mode shapes

Proceedings Papers

Second-Order Hydrodynamic Resonances on a Compound Truncated Cylinder Floating Near the Free Surface

Ioannis K. Chatjigeorgiou, Spyros A. Mavrakos

Proc. ASME. OMAE2007, Volume 1: Offshore Technology; Special Symposium on Ocean Measurements and Their Influence on Design, 159-167, June 10–15, 2007

Paper No: OMAE2007-29136

DOI: https://doi.org/10.1115/OMAE2007-29136

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Topics: Cylinders, Resonance, Waves, Potential theory (Physics)

Proceedings Papers

Wave Run-Up and Second-Order Wave Forces on a Truncated Circular Cylinder Due to Monochromatic Waves

Spyridon A. Mavrakos, Ioannis K. Chatjigeorgiou, Dimitra M. Lentziou

Proc. ASME. OMAE2005, 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 1, Parts A and B, 231-238, June 12–17, 2005

Paper No: OMAE2005-67104

DOI: https://doi.org/10.1115/OMAE2005-67104

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Topics: Circular cylinders, Wave forces, Waves, Diffraction, Fluids, Boundary-value problems, Cylinders, Geometry, Pressure

Proceedings Papers

Unstable Response of Hanging Chains Near Resonance and the Effect of Damping in Marine Applications

Ioannis K. Chatjigeorgiou

Proc. ASME. OMAE2005, 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 1, Parts A and B, 909-917, June 12–17, 2005

Paper No: OMAE2005-67450

DOI: https://doi.org/10.1115/OMAE2005-67450

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Topics: Chain, Damping, Resonance, Excitation

Proceedings Papers

Solution of the Boundary Layer Problems for Calculating the Natural Modes of Riser-Type Slender Structures

Ioannis K. Chatjigeorgiou

Proc. ASME. OMAE2006, Volume 1: Offshore Technology; Offshore Wind Energy; Ocean Research Technology; LNG Specialty Symposium, 409-414, June 4–9, 2006

Paper No: OMAE2006-92390

DOI: https://doi.org/10.1115/OMAE2006-92390

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Topics: Boundary layers, Pipeline risers, Risers (Casting), Tension, Vibration, Approximation, Fluid dynamics, Mode shapes, Shapes, Stiffness

Proceedings Papers

Mooring System and Motion Response Analysis of a Gas Import Floating Terminal in Operating and Survival Conditions

Ioannis K. Chatjigeorgiou, Ioannis Thanos, Paraskevi Bourma, Thomas Mazarakos, Spyros A. Mavrakos

Proc. ASME. OMAE2006, Volume 1: Offshore Technology; Offshore Wind Energy; Ocean Research Technology; LNG Specialty Symposium, 385-392, June 4–9, 2006

Paper No: OMAE2006-92349

DOI: https://doi.org/10.1115/OMAE2006-92349

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Topics: Mooring, Marine engineering, Marine structures, Naval architecture, Vessels

Journal Articles

Solution of the Boundary Layer Problems for Calculating the Natural Modes of Riser-Type Slender Structures

Ioannis K. Chatjigeorgiou

J. Offshore Mech. Arct. Eng. February 2008, 130(1): 011003.

DOI: https://doi.org/10.1115/1.2786476

Published Online: December 4, 2007

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Topics: Boundary layers, Mode shapes, Pipeline risers, Risers (Casting), Stiffness, Tension, Vibration, Weight (Mass)

Journal Articles

Nonlinear Identification and Input-Output Representation of the Modal Dynamics of Marine Slender Structures

Nikolaos I. Xiros, Ioannis K. Chatjigeorgiou

J. Offshore Mech. Arct. Eng. August 2007, 129(3): 188–200.

DOI: https://doi.org/10.1115/1.2746391

Published Online: January 24, 2007

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Topics: Design, Dynamics (Mechanics), Excitation, Filters, Polynomials, Signals, Pipeline risers, Risers (Casting), Impulse (Physics), Finite impulse response filters

Journal citation

NARROW

Numerical and Experimental Investigation of the Wave Loading on a Three-Legged Offshore Wind Turbine Jacket Platform

Wave Diffraction on Arrays of Vertical Truncated Cylindrical Bodies

A Frequency-Domain, Finite-Order Representation of a Catenary Riser’s Dominant Nonlinear Dynamics

Reduced Degrees-of-Freedom of the Nonlinear Dynamics of Elastic Pipelines for Airborne Refueling

Wave Elevation Between Elliptical Structures

Performance Characteristics of a Tightly Moored Piston-Like Wave Energy Converter Under First- and Second-Order Wave Loads

Numerical and Experimental Investigation on the Dynamics of Catenary Risers and the Riser-Induced-Damping Phenomenon

Extreme Bending Moments on Long Catenary Risers Due to Heave Excitation

Second-Order Hydrodynamic Resonances on a Compound Truncated Cylinder Floating Near the Free Surface

Wave Run-Up and Second-Order Wave Forces on a Truncated Circular Cylinder Due to Monochromatic Waves

Unstable Response of Hanging Chains Near Resonance and the Effect of Damping in Marine Applications

Solution of the Boundary Layer Problems for Calculating the Natural Modes of Riser-Type Slender Structures

Mooring System and Motion Response Analysis of a Gas Import Floating Terminal in Operating and Survival Conditions

Solution of the Boundary Layer Problems for Calculating the Natural Modes of Riser-Type Slender Structures

Nonlinear Identification and Input-Output Representation of the Modal Dynamics of Marine Slender Structures

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