Subhamoy Bhattacharya
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View article: Curvature Informed Furthest Point Sampling
Curvature Informed Furthest Point Sampling Open
Point cloud representation has gained traction due to its efficient memory usage and simplicity in acquisition, manipulation, and storage. However, as point cloud sizes increase, effective down-sampling becomes essential to address the com…
View article: Movie Gen: A Cast of Media Foundation Models
Movie Gen: A Cast of Media Foundation Models Open
We present Movie Gen, a cast of foundation models that generates high-quality, 1080p HD videos with different aspect ratios and synchronized audio. We also show additional capabilities such as precise instruction-based video editing and ge…
View article: Promoting Human-Elephant Coexistence through Integration of AI, Real-Time Alerts, and Rapid Response
Promoting Human-Elephant Coexistence through Integration of AI, Real-Time Alerts, and Rapid Response Open
Human-elephant conflict has become a conservation challenge in Asia and Africa resulting in considerable human fatalities annually. We deployed an AI-embedded camera-alert system in a conflict hotspot in West Bengal, India to determine if …
View article: Identification of soil damping for stiff piles based on experiments: Soil damping curves from physical model tests
Identification of soil damping for stiff piles based on experiments: Soil damping curves from physical model tests Open
Addressing a significant research gap concerning soil material (hysteresis) damping in monopile structures, this study, conducted at the SAGE laboratory at the University of Surrey, investigates the damping behaviour of stiff piles in sand…
View article: Geotechnical challenges in monopile foundations and performance assessment of current design methodologies
Geotechnical challenges in monopile foundations and performance assessment of current design methodologies Open
This research comprises an in-depth review of monopile foundations for offshore wind turbines under monotonic and cyclic loads. The review study was complemented with performance evaluation of the current design methodologies using advance…
View article: Promoting Human-Elephant Coexistence through Integration of AI, Real-Time Alerts, and Rapid Response
Promoting Human-Elephant Coexistence through Integration of AI, Real-Time Alerts, and Rapid Response Open
Human-elephant conflict poses serious conservation challenge in Asia and Africa. We deployed an AI-based camera-alert system in a conflict hotspot in West Bengal, India that accurately detected elephants near villages (266 events) and tran…
View article: A Comparative Study on Load Assessment Methods for Offshore Wind Turbines Using a Simplified Method and OpenFAST Simulations
A Comparative Study on Load Assessment Methods for Offshore Wind Turbines Using a Simplified Method and OpenFAST Simulations Open
Simplified methods are often used for load estimations during the initial design of the foundations of offshore wind turbines (OWTs). However, the reliability of simplified methods for designing different OWTs needs to be studied. This pap…
View article: Identification of soil damping for stiff piles based on experiments: Methodology and results
Identification of soil damping for stiff piles based on experiments: Methodology and results Open
Considering a critical gap in research regarding soil damping for monopile structures, this research, conducted at the SAGE laboratory of the University of Surrey, investigates the damping behaviour of stiff piles in sandy soil. Three mono…
View article: Synergistic Hybrid Marine Renewable Energy Harvest System
Synergistic Hybrid Marine Renewable Energy Harvest System Open
This paper proposes a novel hybrid marine renewable energy-harvesting system to increase energy production, reduce levelized costs of energy and promote renewable marine energy. Firstly, various marine renewable energy resources and state-…
View article: Agroecological Zone-Specific Diet Optimization for Water Buffalo (Bubalus bubalis) through Nutritional and In Vitro Fermentation Studies
Agroecological Zone-Specific Diet Optimization for Water Buffalo (Bubalus bubalis) through Nutritional and In Vitro Fermentation Studies Open
The water buffalo faces challenges in optimizing nutrition due to varying local feed resources. In response to this challenge, the current study introduces originality by addressing the lack of region-specific feeding strategies for water …
View article: Comparison of Extreme Wind and Waves Using Different Statistical Methods in 40 Offshore Wind Energy Lease Areas Worldwide
Comparison of Extreme Wind and Waves Using Different Statistical Methods in 40 Offshore Wind Energy Lease Areas Worldwide Open
With the ongoing global drive towards renewable energy, several potential offshore wind energy lease areas worldwide have come into focus. This study aims to estimate the extreme wind and wave conditions across several newly designated off…
View article: A comparative study on load assessment methods for offshore wind turbines using a simplified method and OpenFAST simulations
A comparative study on load assessment methods for offshore wind turbines using a simplified method and OpenFAST simulations Open
Foundation design for offshore wind turbines (OWTs) is an iterative process due to load iterations. Foundation stiffness is required for aero-servo-hydro simulations that generate the turbine loads to be experienced by the foundation. Furt…
View article: Soil–Structure Interactions for the Stability of Offshore Wind Foundations under Varying Weather Conditions
Soil–Structure Interactions for the Stability of Offshore Wind Foundations under Varying Weather Conditions Open
Fixed-bottom foundations of offshore structures, mainly monopiles, are subject to extreme events and other critical cyclic nature loads. Since offshore wind turbine structures are slender, the manufacturers of offshore wind turbines give a…
View article: Experimental study on sand-tire chip mixture foundations acting as a soil liquefaction countermeasure
Experimental study on sand-tire chip mixture foundations acting as a soil liquefaction countermeasure Open
Soil liquefaction is a phenomenon associated with strong earthquakes and it can affect large areas. High-rise and low-rise buildings, residential structures typically of 1–2 storeys, may be equally prone to the destructive consequences of …
View article: Numerical study on the effects of scour on monopile foundations for Offshore Wind Turbines: The case of Robin Rigg wind farm
Numerical study on the effects of scour on monopile foundations for Offshore Wind Turbines: The case of Robin Rigg wind farm Open
Scour around monopiles supporting Offshore Wind Turbines (OWT) may cause a significant reduction in the foundation capacity and the natural frequencies of the soil–structure system. The decommission of two monopiles at the Robin Rigg wind …
View article: SEISMIC PERFORMANCE ASSESSMENT OF FLOATING OFFSHORE WIND TURBINES SUPPORTED BY TENSION LEG PLATFORMS
SEISMIC PERFORMANCE ASSESSMENT OF FLOATING OFFSHORE WIND TURBINES SUPPORTED BY TENSION LEG PLATFORMS Open
This study introduces a simplified methodology for evaluating the risk of destabilization or damage to floating offshore wind turbines (FOWTs) due to earthquake-induced ground motions, with a focus on FOWTs supported by Tension Leg Platfor…
View article: GREENER IS CHEAPER: AN EXAMPLE FROM OFFSHORE WIND FARMS
GREENER IS CHEAPER: AN EXAMPLE FROM OFFSHORE WIND FARMS Open
Offshore wind farms (OWF) are now in operation and increasingly under construction as scalable, sustainable energy sources. In fact OWFs are currently the cheapest form of new energy projects in Europe. The levelized cost of energy (LCOE) …
View article: A Compendium of Formulae for Natural Frequencies of Offshore Wind Turbine Structures
A Compendium of Formulae for Natural Frequencies of Offshore Wind Turbine Structures Open
The design of an offshore wind turbine system varies with the turbine capacity, water depth, and environmental loads. The natural frequency of the structure, considering foundation flexibility, forms an important factor in structural desig…
View article: Usage of Tyre Derived Aggregates as backfill around buried pipelines crossing strike-slip faults; model tests
Usage of Tyre Derived Aggregates as backfill around buried pipelines crossing strike-slip faults; model tests Open
Buried pipelines crossing active faults are exposed to excessive soil forces under fault movements due to large relative movement between pipes and the soil surrounding them. As a result, extreme longitudinal strains develop within pipelin…
View article: Predicting tilting of monopile supported wind turbines during seismic liquefaction
Predicting tilting of monopile supported wind turbines during seismic liquefaction Open
Offshore Wind Turbines are increasingly being constructed in seismically liquefiable zones and monopile is one of the main foundation types for water depths of up to about 40 m. Due to the nature of the loading history from wind, wave, and…
View article: Experimental investigation of transient bending moment of piles during seismic liquefaction
Experimental investigation of transient bending moment of piles during seismic liquefaction Open
The purpose of this paper is to study the behavior of pile-supported structures in liquefiable soils, specifically when the soil surrounding the pile transits from no-liquefaction to full-liquefaction. A series of shaking table tests were …
View article: Liquefaction effects on the fundamental frequency of monopile supported offshore wind turbines (OWTs)
Liquefaction effects on the fundamental frequency of monopile supported offshore wind turbines (OWTs) Open
Offshore Wind Turbines (OWTs) are dynamically sensitive structures and as a result estimating the natural frequency of the whole system taking into effect the flexibility of the foundation is one of the major design considerations. The nat…
View article: Design of monopiles for offshore and nearshore wind turbines in seismically liquefiable soils: Methodology and validation
Design of monopiles for offshore and nearshore wind turbines in seismically liquefiable soils: Methodology and validation Open
An increasing number of offshore wind farms are being constructed in seismic regions over liquefaction susceptible soils. This paper presents a methodology for the analysis and design of monopiles in seismically liquefiable soils by extend…
View article: Load utilisation (LU) ratio of monopiles supporting offshore wind turbines: Formulation and examples from European Wind Farms
Load utilisation (LU) ratio of monopiles supporting offshore wind turbines: Formulation and examples from European Wind Farms Open
Offshore wind farms are currently being constructed worldwide, and most of the Wind Turbine Generator (WTG) structures are supported on single large-diameter steel piles, commonly known as monopile. One of the challenging design aspects is…