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MAR2019 : Ship Hydrodynamics

  • Offered for Year: 2020/21
  • Module Leader(s): Dr Maryam Haroutunian
  • Lecturer: Professor Pengfei Liu
  • Owning School: Engineering
  • Teaching Location: Newcastle City Campus
Semester 2 Credit Value: 20
ECTS Credits: 10.0


• Physical model testing, full-scale trials and empirical methods used in relation to ship powering problem.
• The methods adopted for estimating the resistance, performing basic propeller design and prediction the power requirements in the preliminary design stage.
• Introduce the fundamental concepts of ship maneuvering in calm, deep water including the form of the equations of motion, typical nomenclature and regulatory issues.
• Introduce the experimental methods used for obtaining motion derivatives and the post processing of obtained data including the derivation of semi-empirical methods.
• Introduce linear analysis for preliminary estimations of performance and operability.
• Introduce the fundamental concepts of seakeeping including motion of a floating body subject to regular and irregular waves.
• Introduce the fundamental concepts of added mass and fluid damping and consider method of obtain the necessary terms using experimental and empirical methods.
• Consider motion response including likely displaced position, velocity and/or accelerations, in terms of probability formula.

Outline Of Syllabus

Marine propulsor types and screw propeller (and overview); Screw propeller; Geometry and other definitions; Propeller design and analysis (an overview); Basic propeller design; Model propeller tests (an overview); Some important non-dimensional parameters; Open water model tests; Standard series model propeller tests; propeller design diagrams; Propeller-hull interaction phenomenon; Powering and performance prediction; Self propulsion tests; Cavitation and Caviatation tunnel test demonstrations; Speed trials.

Standard maneuvers: IMO Regulations. Manoeuvering criteria; equations of motion; hydrodynamics forces and movements; derivatives; simple KT equations of motion; the nature of derivatives; low aspects ratio wing analogy; slender body theory; directional stability and control; turning ability; ship characteristics.
Introduction to the study of ship motions in waves including: the 6 degrees-of-freedom systems; description of regular waves; derivation of the equations of motion. Introduction to motion of floating bodies in regular waves including the concepts of added mass, fluid damping, restoring forces and wave excitation forces. Introduction to irregular waves and ocean wave statistic. Introduction to methods used for finding the necessary terms including strip theory and seakeeping experiments. Development of the translation motion (heave) predictions and introduction to rotation motions including pitching and rolling motion. Introduction to various types of seakeeping event and to the probability of an even occurring, including: the normal probability density function; significant amplitudes; joint probabilities.

Teaching Methods

Module leaders are revising this content in light of the Covid 19 restrictions.
Revised and approved detail information will be available by 17 August.

Assessment Methods

Module leaders are revising this content in light of the Covid 19 restrictions.
Revised and approved detail information will be available by 17 August.

Reading Lists