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Topic Review
Wave-Structure-Seabed Interactions and Scour
Sediment transport has been the subject of extensive research over recent decades, particularly wave–structure interactions and, more importantly, their effects on the seabed. It includes mechanical models, analytical solutions of wave–structure–seabed interactions, and their verification with numerical models and experimental tests. Experimentally, both field and laboratory measurements focus on the structure foundation. Moreover, given the great progress in numerical modelling in the last decade, there is a need to put into context and focus the most widely used numerical approaches for modelling the wave-structure-seabed interaction. The numerical model selected and the resolution method depend mainly on the coastal study area, the importance and dependence of the processes involved, the temporal-spatial scale of the problem and the computational time.
  • 1.1K
  • 16 Jun 2021
Topic Review
Coastal Buffer Zones in Taiwan
The coastal buffer zone is the transition area between land and sea spaces, encompassing lagoons and intertidal zones. 
  • 1.1K
  • 08 Nov 2021
Topic Review
Develop Digital Twins for Subsea Pipelines
Digital twins are described as a paradigm combining multi-physics modelling with data-driven analytics, which are used to mirror the life of its corresponding twin. Realistic virtual models of structural systems are shown to bridge the gap between design and construction and to mirror the real and virtual worlds. The concept of the digital twin has also been used in offshore structures as platforms and subsea pipelines throughout the stages of construction and operation life. 
  • 1.1K
  • 01 Jun 2022
Topic Review
Battery-Driven Fast Marine Vehicles
Entry of the design and technological challenges of zero emission, battery driven fast marine vehicles. Whereas slow and medium speed all electrical ships have been successfully introduced, it remains to prove that fast battery driven ships are feasible. The entry addresses the key design and technological issues, assesses the present state of the art and of the associated technology and concludes on the way ahead.
  • 1.1K
  • 23 Nov 2020
Topic Review
Ship Handling in Unprotected Waters
In order to implement a new type of escort towing, specially designed to be employed in very adverse weather conditions, considerable changes in the hull form of escort tugs had to be made to improve their stability and performance. Since traditional winch and ropes technologies were only effective in calm waters, tugs had to be fitted with new devices. These improvements allowed the remodeled tugs to counterbalance the strong forces generated by the maneuvers in open waters. This entry presents a review of the new high-performance automatic dynamic winches.
  • 963
  • 26 Mar 2021
Topic Review
Coastal Adaptation to Sea-Level Rise
The Earth’s climate is changing; ice sheets and glaciers are melting and coastal hazards and sea level are rising in response. With a total population of over 300 million people situated on coasts, including 20 of the planet’s 33 megacities (over 10 million people), low-lying coastal areas represent one of the most vulnerable areas to the impacts of climate change. The need to identify and implement adaptation solutions to the impacts of climate change in coastal zones is urgent. 
  • 833
  • 17 Aug 2021
Topic Review
Organic Coatings for Marine Applications
Organic coatings for marine applications must have great corrosion protection and antifouling performance. This review presents an overview of recent investigations into coating microstructure, corrosion protection performance, antifouling behavior, and evaluation methods, particularly the substrate effect and environmental influence on coating protectiveness, aiming to improve operational practice in the coating industry. 
  • 804
  • 21 Jan 2021
Topic Review
Integration of NOMA-Based VLC with Emerging Technologies
Visible light communication (VLC), a high data rate communication technology, has proven its stature as a promising complementary to its radio frequency (RF) counterpart. VLC is a cost-effective, energy-efficient, and secure technology that exploits the current infrastructure, specifically within indoor and underwater environments. Non-orthogonal multiple access (NOMA) has been considered an effective technique to circumvent these shortcomings. The NOMA scheme has emerged as a revolutionary paradigm to address the shortcomings of VLC systems.
  • 799
  • 15 Mar 2023
Topic Review
Deep Learning Based Non-Orthogonal Multiple Access
Non-Orthogonal Multiple Access (NOMA) has become a promising evolution with the emergence of fifth-generation (5G) and Beyond-5G (B5G) rollouts. The potentials of NOMA are to increase the number of users, the system’s capacity, massive connectivity, and enhance the spectrum and energy efficiency in future communication scenarios.
  • 768
  • 14 Mar 2023
Topic Review
OTEC plant impact on Chiapas
Despite the proved potential to harness ocean energy off the Mexican coast, one of the main aspects that have restrained the development of this industry is the lack of information regarding the environmental and social impacts of the devices and plants. Under this premise, a review of literature that could help identifying the potential repercussions of energy plants on those fields was performed. The available studies carried out around the world show a clear tendency to use indicators to assess impacts specifically related to the source of energy to be converted. The information gathered was used to address the foreseeable impacts on a hypothetical case regarding the deployment of an Ocean Thermal Energy Conversion (OTEC) plant off the Chiapas coast in Mexico. From the review it was found that for OTEC plants, the most important aspect to be considered is the discharge plume volume and its physicochemical composition, which can lead to the proliferation of harmful algal blooms. Regarding the case study, it is interesting to note that although the environmental impacts need to be mitigated and monitored, they can be somehow alleviated considering the potential social benefits of the energy industry.
  • 756
  • 12 Nov 2020
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