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Proceedings Papers

Coastal Protection Measures for a Barrier Island Along East Coast of India - Physical Modelling

Mounika Mallela, Nilanjan Saha, Satya Kiran Raju Alluri, Ramana Murthy M. V.
Proc. ASME. OMAE2024, Volume 5A: Ocean Engineering, V05AT06A009, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-128017
https://doi.org/10.1115/OMAE2024-128017
View Paper titled, Coastal Protection Measures for a Barrier Island Along East Coast of India - Physical Modelling
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Topics: Breakwaters, Modeling, Probes, Shorelines
Proceedings Papers

One-Way Fluid-Structure Interaction of Submerged Floating Tunnel Under Current Action

Keshav Pathak, Nilanjan Saha
Proc. ASME. OMAE2024, Volume 6: Polar and Arctic Sciences and Technology; CFD, FSI, and AI, V006T08A002, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-124260
https://doi.org/10.1115/OMAE2024-124260
View Paper titled, One-Way Fluid-Structure Interaction of Submerged Floating Tunnel Under Current Action
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Topics: Computational fluid dynamics, Fluid structure interaction, Tunnels
Proceedings Papers

Analysis of the Dynamic Responses of a Barge-Type Platform With Multiple Wind Turbines

Vighneshwar S. A., Nilanjan Saha, Suresh Rajendran
Proc. ASME. OMAE2024, Volume 7: Ocean Renewable Energy, V007T09A009, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-122221
https://doi.org/10.1115/OMAE2024-122221
View Paper titled, Analysis of the Dynamic Responses of a Barge-Type Platform With Multiple Wind Turbines
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Topics: Dynamic response, Floating structures, Wind turbines, Stress, Breakwaters, Energy generation, Modeling, Oceans, Offshore wind turbines, Renewable energy
Journal Articles

Gravity Wave Interaction With a Composite Pile–Rock Breakwater

S. Keerthi Raaj, K. G. Vijay, S. Neelamani, Nilanjan Saha, R. Sundaravadivelu
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. June 2024, 146(3): 031903.
Paper No: OMAE-23-1017
https://doi.org/10.1115/1.4064013
Published Online: December 11, 2023
View Article titled, Gravity Wave Interaction With a Composite Pile–Rock Breakwater
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Topics: Breakwaters, Plates (structures), Porosity, Rocks, Waves, Composite materials, Boundary element methods, Gravity (Force), Wave forces, Energy dissipation
Journal Articles

Peridynamic Analysis of Tubular Joints of the Offshore Jacket Structure

Pranitha Bachimanchi, Nilanjan Saha
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. February 2024, 146(1): 011701.
Paper No: OMAE-23-1056
https://doi.org/10.1115/1.4064015
Published Online: December 4, 2023
View Article titled, Peridynamic Analysis of Tubular Joints of the Offshore Jacket Structure
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Topics: Damage, Deformation, Displacement, Fracture (Materials), Shells, Stress, Tubular joints, Structural analysis
Proceedings Papers

Study of Crack Initiation and Fracture in OC4 Jacket Structure Under Cyclic Loading by Peridynamic Approach

Pranitha Bachimanchi, Nilanjan Saha
Proc. ASME. OMAE2023, Volume 2: Structures, Safety, and Reliability, V002T02A028, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-105144
https://doi.org/10.1115/OMAE2023-105144
View Paper titled, Study of Crack Initiation and Fracture in OC4 Jacket Structure Under Cyclic Loading by Peridynamic Approach
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Topics: Fracture (Materials)
Proceedings Papers

Motion Response Study of the Floating Dock During the Spar Installation

Soumyashree Pani, Nilanjan Saha, R. Sundaravadivelu
Proc. ASME. OMAE2023, Volume 5: Ocean Engineering, V005T06A043, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-102792
https://doi.org/10.1115/OMAE2023-102792
View Paper titled, Motion Response Study of the Floating Dock During the Spar Installation
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Topics: Damping, Spar platforms, Wing spars
Proceedings Papers

Peridynamic Analysis of Floating Ice Under Transverse Pressure

Pranitha Bachimanchi, Nilanjan Saha
Proc. ASME. OMAE2022, Volume 6: Polar and Arctic Sciences and Technology, V006T07A024, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-80590
https://doi.org/10.1115/OMAE2022-80590
View Paper titled, Peridynamic Analysis of Floating Ice Under Transverse Pressure
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Topics: Damage, Fracture (Materials), Ice, Pressure
Proceedings Papers

Offshore Wind Turbine Support Structures Along Indian Coast - Multi Criteria Analysis

Mounika Mallela, Nilanjan Saha, Satya Kiran Raju Alluri, M. V. Ramana Murthy
Proc. ASME. OMAE2022, Volume 8: Ocean Renewable Energy, V008T09A057, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-80930
https://doi.org/10.1115/OMAE2022-80930
View Paper titled, Offshore Wind Turbine Support Structures Along Indian Coast - Multi Criteria Analysis
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Topics: Decision analysis, Offshore wind turbines, Shorelines, Soil, Decision making, Accounting, American Petroleum Institute, Blades, Computer software, Finite element analysis
Proceedings Papers

Non-Linear Response Analysis of Jacket Supported Offshore Wind Turbine under Seismic Loads using Hilbert-Huang Transform

Subham Kashyap, Nilanjan Saha, K. A. Abhinav
Proc. ASME. OMAE2021, Volume 9: Ocean Renewable Energy, V009T09A037, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-67597
https://doi.org/10.1115/OMAE2021-67597
View Paper titled, Non-Linear Response Analysis of Jacket Supported Offshore Wind Turbine under Seismic Loads using Hilbert-Huang Transform
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Topics: Earthquakes, Offshore wind turbines, Soil, Stress, Finite element analysis, American Petroleum Institute, Hydrodynamics, Modeling, Ocean engineering, Resonance
Proceedings Papers

Study on the Effect of Impact Load Generated From Pile Driving on Adjacent Berthing Structure

Jeena Mary John, Nilanjan Saha, R. Sundaravadivelu
Proc. ASME. OMAE2019, Volume 3: Structures, Safety, and Reliability, V003T02A092, June 9–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2019-96092
https://doi.org/10.1115/OMAE2019-96092
View Paper titled, Study on the Effect of Impact Load Generated From Pile Driving on Adjacent Berthing Structure
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Topics: Stress, Vibration, Gates (Closures), Soil, Construction, Damping, Dynamic testing (Materials), Machinery, Marine transportation, Modeling
Proceedings Papers

Extended Kalman Filtering for Estimating Drag and Inertia Coefficients for Slender Offshore Structures

Dhruv Bhagtani, Nilanjan Saha
Proc. ASME. OMAE2019, Volume 3: Structures, Safety, and Reliability, V003T02A053, June 9–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2019-96630
https://doi.org/10.1115/OMAE2019-96630
View Paper titled, Extended Kalman Filtering for Estimating Drag and Inertia Coefficients for Slender Offshore Structures
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Topics: Drag (Fluid dynamics), Filtration, Inertia (Mechanics), Offshore structures, Cylinders, Kalman filters, Dimensions, Dynamic response, Engineering prototypes, Linear wave theory
Proceedings Papers

Short-Term Extreme Motions of a Spar Floating Wind Turbine Estimated Through a 1:30 At-Sea Experiment

Carlo Ruzzo, Nilanjan Saha, Felice Arena
Proc. ASME. OMAE2018, Volume 3: Structures, Safety, and Reliability, V003T02A042, June 17–22, 2018
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2018-78745
https://doi.org/10.1115/OMAE2018-78745
View Paper titled, Short-Term Extreme Motions of a Spar Floating Wind Turbine Estimated Through a 1:30 At-Sea Experiment
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Topics: Floating wind turbines, Seas, Spar platforms, Design, Rotors, Degrees of freedom, Ocean engineering, Oceans, Significant wave heights, Storms
Journal Articles

Load Mitigation Using Slotted Flaps in Offshore Wind Turbines

Shilpa Thakur, K. A. Abhinav, Nilanjan Saha
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research-Article
J. Offshore Mech. Arct. Eng. December 2018, 140(6): 061901.
Paper No: OMAE-17-1196
https://doi.org/10.1115/1.4040234
Published Online: June 13, 2018
View Article titled, Load Mitigation Using Slotted Flaps in Offshore Wind Turbines
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Topics: Blades, Stress, Wind turbines, Control equipment, Offshore wind turbines, Wind, Wind velocity, Rotors
Proceedings Papers

Hydroelastic Response of Very Large Floating Structures (VLFS) Connected With Wind Turbines

Sibin Muhamed Basheer Naseema, Nilanjan Saha
Proc. ASME. OMAE2017, Volume 6: Ocean Space Utilization, V006T05A020, June 25–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2017-61099
https://doi.org/10.1115/OMAE2017-61099
View Paper titled, Hydroelastic Response of Very Large Floating Structures (VLFS) Connected With Wind Turbines
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Topics: Floating structures, Wind turbines, Wind, Stress, Blades, Mooring, Aerodynamics, Boundary-value problems, Corners (Structural elements), Fatigue
Proceedings Papers

Load Reduction on Offshore Wind Turbines by Aerodynamic Flaps

Shilpa Thakur, Nilanjan Saha
Proc. ASME. OMAE2017, Volume 10: Ocean Renewable Energy, V010T09A042, June 25–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2017-61308
https://doi.org/10.1115/OMAE2017-61308
View Paper titled, Load Reduction on Offshore Wind Turbines by Aerodynamic Flaps
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Topics: Offshore wind turbines, Stress, Blades, Boundary element methods, Control equipment, Horizontal axis wind turbines, Momentum, Morison equation, Ocean engineering, Rotors
Journal Articles

The Girsanov Linearization Method for Stochastically Driven Nonlinear Oscillators

Nilanjan Saha, D. Roy
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. September 2007, 74(5): 885–897.
https://doi.org/10.1115/1.2712234
Published Online: November 3, 2006
View Article titled, The Girsanov Linearization Method for Stochastically Driven Nonlinear Oscillators
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Topics: Displacement, Polynomials, Probability, Simulation, White noise, Errors, Stochastic processes, Theorems (Mathematics), Scalars