Design of ocean systems

Lectures: 2 sessions / week, 1.5 hours / session

Labs: 1 session / week, 3 hours / session

Mechanics and Materials I (2.001), Dynamics and Control I (2.003J), Thermal-Fluids Engineering I (2.005) or Hydrodynamics (2.016).

The main learning objectives of the course are:

There is no required textbook for this class, but several references are recommended. Lecture notes also provide the key reading material. The readings were supplemented by select articles on specific topics, especially on the design of floating offshore structures.

The following three texts are particularly suggested as references:

Lewis, E. V., ed. Principles of Naval Architecture. Jersey City, NJ: Society of Naval Architects and Marine Engineers, 1988. ISBN: 9789991181417.

This reference provides general information on naval architecture.

Paik, Jeom Kee, and Anil Kumar. Ship-shaped Offshore Installations: Design, Building, and Operation. Cambridge University Press, 2007. ISBN: 9780521859219.

This reference gives some basic information on the design of special marine structures (i.e. FPSOs).

Faltinsen, O. M. Sea Loads on Ships and Offshore Structures. Cambridge, UK: Cambridge University Press, 1993. ISBN: 9780521458702.

This reference helps with understanding of sea-keeping analysis and mooring-system design.

The following resources may also be helpful:

Gillmer, T. C., and Bruce Johnson. Introduction to Naval Architecture. Naval Institute Press, 1982. ISBN: 9780870213182.

Lamb, Thomas. Chapter 30 in Ship Design and Construction Vol. 1. 1st Impression Publishing, 2003. ISBN: 9780939773404.

Terpstra, T., B. B. d'Hautefeuille, and A. A. MacMillan. "FPSO Design and Conversion: A Designer's Approach." Offshore Technology Conference, 2001.

Coursework consists primarily of a three-part term-length Design Project and three homework assignments, all designed to help students better comprehend the basic concepts taught in class. The goal is also to prepare the students for the use of the various pieces of software needed for the Design Project. The Design Project is to be completed in team with each individual responsible for the report and discussion of a separate subject; homework is to be done individually.

In the first homework, the students conceptualize their design by doing preliminary calculations and drawing sketches of different ship views and internal subdivisions. For example, they calculate the positions of the collision bulkheads, the size of the tanks, the height of the double bottom, etc. Next, they realize this concept in the PARAMARINE™ environment, calculating major geometric particulars such as coefficients of form and preliminary hydrostatic characteristics.

The second homework is a structural analysis of a generic ship. From the framework of building a ship that can withstand the maximum allowable working stress, students calculate the total load on the ship, shear forces, bending moments, plate thickness, and the dimensions of the midship section structural elements.

The third homework is an introduction to the panel method of sea-keeping analysis. The students use WAMIT® to calculate the added mass and wave damping coefficients as well as wave excitation and RAOs for a floating vertical circular cylinder. The purpose of this homework is to become familiar with the use of WAMIT for sea-keeping analysis.

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