University of Malta

Study-Unit Description
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TITLE Ship Structures

LEVEL 04 - Years 4, 5 in Modular UG or PG Cert Course


DEPARTMENT Mechanical Engineering

DESCRIPTION The study-unit is a qualitative and quantitative approach to the understanding of ship hull structures dependant on the purpose of the vessel. The student is provided with the knowledge to understand the ship hull structure characteristics, ship hull structural arrangements, structural members, beams and girders, together with the design of plates and stiffened panels. The programme describes the primary ship girder loadings according to classification rules, describing the longitudinal strength calculations and mid-ship bending strength calculations according to the rules and regulations. In conjunction with these concepts the secondary and tertiary combined loadings and stresses are also considered. An overview of the ship materials and construction is described.

The study-unit is specifically aimed at those students who want to pursue a professional and/or academic career in Naval Architecture.

Study-unit Aims:

The study-unit is intended to develop the student’s knowledge of ship structures in general depending on vessel type. To provide an understanding on the combined roles played by the whole ship hull structure, the individual structural assemblies and strength members, as well as design individual elements according to classification rules. The study-unit will enable the students to understand and perform strength calculations using first principles and applying classification society rules.

Learning Outcomes:

1. Knowledge & Understanding:

By the end of the study-unit the student will be able to:
- describe the role played by the various conventions & IACS.
- describe the basic hull configurations and structural features of various ship types.
- define the main configurations and characteristics of ship hull structural assemblies.
- describe the scantlings of ship strength members.
- analyse and describe the static and dynamic loading conditions and induced stresses to the ship hull girder (primary loading).
- explain the use of the rules and regulations in assessing the strength of ships.
- describe the secondary and tertiary loading and stresses in the strength members.
- analyse and describe the role played by the plates and stiffened panels.
- describe the materials used in ship construction.
- describe an overview of the ship production process.

2. Skills:

By the end of the study-unit the student will be able to:
- sketch typical ship hull structure layouts.
- design structural assemblies and strength members according to classification rules.
- implement the IACS rules to assess the longitudinal strength of ships.
- calculate and assess the bending strength according to IACS rules.
- calculate the ship girder loadings and stresses in terms of the primary, secondary and tertiary loadings.
- use beam theory to calculate loadings and stresses in critical areas.
- design plates and stiffened panels.
- use commercial naval architecture software.
- use classification society rules.
- undertake an assignment to calculate the strength of various ship structural assemblies.

Main Text/s and any supplementary readings:

- Ship Structural Analysis and Design - O. Hughes, J.K. Paik, The Society of Naval Architects and Marine Engineers, SNAME Publication.
- Buckling of Ship Structures - M. Shama, Springer.
- Design of Ship Hull Structures. A Practical Guide for Engineers - Y. Okumuto, Y Takeda, M. Mano, T. Okada, Springer.
- Ship Production - R.L. Storch, C.L. Hammon, H.M. Bunch, R.C. Moore, 2nd Edition, The Society of Naval Architects and Marine Engineers, SNAME Publication.
- The Maritime Engineering Reference Book, A guide to Ship Design, Construction and Operation - A.F. Molland (Ed.), Butterworth Heinemann.

ADDITIONAL NOTES Pre-requisite Study-unit: MEC3010

STUDY-UNIT TYPE Lecture, Independent Study, Project and Tutorial

Assessment Component/s Resit Availability Weighting
Assignment Yes 40%
Examination (2 Hours) Yes 60%

LECTURER/S Claire De Marco

The University makes every effort to ensure that the published Courses Plans, Programmes of Study and Study-Unit information are complete and up-to-date at the time of publication. The University reserves the right to make changes in case errors are detected after publication.
The availability of optional units may be subject to timetabling constraints.
Units not attracting a sufficient number of registrations may be withdrawn without notice.
It should be noted that all the information in the study-unit description above applies to the academic year 2017/8, if study-unit is available during this academic year, and may be subject to change in subsequent years.

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