Dear Colleagues,

Most of the earth's surface is water (about 70%). Therefore, to achieve different goals, humans are forced to use this resource for applications such as transportation (i.e., the general form for transporting humans, the commercial form for trading and exporting human daily goods such as food and clothing, and the industrial form such as oil and gas transmission pipes). Sometimes this capital is referred to as a renewable energy source (e.g., installing wind turbines as offshore structures to generate electricity). All these are a small corner of the total water use related to various industries. The use of water, however, requires the design and construction of equipment, devices, and structures that are able to function in direct contact with water. Hence, it is very important to consider marine sciences and engineering.

Some of the biggest challenges in various industries are problems in the design phase or problems in the manufacturing process of engineering parts and structures, and the importance of these issues increases several times over when working on the marine structures.

The highly specialized working conditions of such structures, including their proximity to water, corrosion phenomenon due to water salinity (only about 2% of the world's waters are fresh and drinkable), and weather changes such as the intensity and direction of the wind, all have direct effects on the behavior of marine structures.

In case of failure or damage to a part of such structures, there is a need to intelligently compile special methods of repairs or, if necessary, define a replacement route, and use auxiliary tools or temporary spare parts, because there is no industrial equipment for use in the water (i.e., sea or ocean).

Finally, great accuracy is vital in the design and manufacture of engineering parts and structures in the sea area. In addition, there are different manufacturing methods, each of which has its own difficulties which must be considered.

This Special Issue on the “Design and Manufacturing Problems in Marine Structures” focuses on advancing knowledge specifically for the construction of marine structures (made of steel, concrete, composite, or new materials) based on the various manufacturing techniques. Topics include, but are not limited to:

• Design and analysis of engineering parts, structures, transportation elements, and vehicles;
• Different manufacturing processes, including machining, casting, additive process, and 3D printing;
• Topology optimization;
• Optimization of manufacturing process parameters;
• Inspection, condition and structural health monitoring, repair/replacement and maintenance;
• Resilient design of marine systems;
• Application of machine learning methods and data-driven models for strength and/or load/response predictions of marine structures;
• Methodology and practices for marine structure lifetime extension;
• Static and dynamic structural responses including collapse behavior;
• Impact and collision mechanics;
• Fatigue and fracture, creep detection;
• Material selection, corrosion, and structural degradation.

Dr. K. Reza Kashyzadeh
Dr. Okan Unal
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

• design
• manufacturing process
• additive manufacturing process
• 3D printing
• topology optimization
• optimization
• marine structures
• failure analysis
• fatigue
• corrosion
• different types of offshore platforms (fixed, mobile, and floating)
• offshore and subsea pipelines, cladding, risers
• subsea systems
• offshore structures
• offshore energy harvesting systems
• wind turbines
• wave energy converters
• underwater vehicles for shallow and deep ocean operations
• inspection and maintenance related to marine structures
• floating bridges
• submerged floating tunnels
• strength improvement