Marine operations: introduction, modeling, and analysis

Jan 1, 2023·
任政儒
· 1 min read

Course Overview

This course focuses on the installation and operation & maintenance processes of various marine resources, including offshore oil and gas, marine fisheries, and offshore wind energy. It introduces various marine operation forms and their core marine equipment, and covers the relevant multi-body dynamics knowledge, modeling and simulation methods for marine engineering equipment, as well as operability analysis and assessment methods.

Instructors

  • Prof. Zhengru Ren

Course Objectives

  • Help students understand various marine operation forms and their key technical challenges
  • Strengthen theoretical knowledge in rigid body kinematics, multi-body dynamics, and marine operation analysis methods
  • Cultivate students’ ability to handle practical engineering problems
  • Provide a comprehensive understanding of modeling and simulation approaches for marine engineering equipment

Course Content

1. Introduction to Marine Operations (1 hour)

  • Overview of marine resources development
  • Classification of marine operations
  • Key challenges in marine operations

2. Rigid Body Kinematics (4 hours)

2.1 Coordinate systems and transformations 2.2 Euler angles and quaternions 2.3 DH matrices 2.4 MATLAB/Simulink fundamentals

3. Marine Engineering Rigid Body Dynamics (5 hours)

3.1 Added mass, drag, Coriolis forces, propulsion forces 3.2 Wind field + wind loads, current field, wave field 3.3 From RAO to wind-wave-current loads (6-DOF model) 3.4 Overall motion model of marine floating structures, simplified models

4. Shipborne Equipment Modeling (3 hours)

4.1 Propellers 4.2 Anti-rolling tanks 4.3 Cranes (manipulators) 4.4 Winches 4.5 Cables 4.6 Anchor chains 4.7 MATLAB/Simulink modeling methods for shipborne equipment

5. Marine Engineering Multi-body Dynamics Modeling (3 hours)

5.1 Fundamentals of multi-body dynamics 5.2 MATLAB/Simulink modeling methods for multi-body systems 5.3 Other modeling approaches: Lagrangian mechanics, Hamiltonian mechanics, Bond graph

6. Various Marine Operation Forms (4 hours)

6.1 Lifting operations 6.2 Towing operations 6.3 Pipeline laying

7. Marine Operation Equipment (4 hours)

7.1 Dynamic positioning systems and mooring 7.2 Motion reduction equipment 7.3 Heave compensation systems

8. Special Operation Forms (4 hours)

8.1 Subsea operations 8.2 Polar operations 8.3 Seabed mining 8.4 Other marine operations

9. Operability Analysis (4 hours)

9.1 Weather window calculation and alpha factor 9.2 Operability analysis methods

Prerequisites

  • Theoretical mechanics
  • Linear algebra
  • Probability theory

Textbooks

[1] “Handbook of marine craft hydrodynamics and motion control” [2] DNV related specifications

Reference Books

[1] Multi-body System Dynamics (2nd Edition). By Liu Yanzhu, Pan Zhenkuan, Ge Xinsheng [2] Selected literature

Assessment Method

  • Examination

Language of Instruction

  • Chinese (with English course materials)
Marine Operations Offshore Engineering Dynamics Simulation