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Offshore Semi-Submersible Platform Engineering [Hardback]

(Indian Institute of Technology Madras, India)
  • Format: Hardback, 232 pages, height x width: 234x156 mm, weight: 620 g, 66 Tables, black and white; 216 Illustrations, color
  • Pub. Date: 23-Dec-2020
  • Publisher: CRC Press
  • ISBN-10: 0367673304
  • ISBN-13: 9780367673307
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  • Format: Hardback, 232 pages, height x width: 234x156 mm, weight: 620 g, 66 Tables, black and white; 216 Illustrations, color
  • Pub. Date: 23-Dec-2020
  • Publisher: CRC Press
  • ISBN-10: 0367673304
  • ISBN-13: 9780367673307
Other books in subject:
"Offshore Semi-Submersible Platform Engineering presents a primer to analysis and design of semi-submersibles in particular while covering general analysis and design guidelines of offshore compliant platforms. It introduces general geometric design of complaint offshore platforms, covering details of various environmental loads acting on them"--

Offshore Semi-Submersible Platform Engineering presents a primer on the analysis and design of semi-submersible platforms, in particular, while also covering general analysis and design guidelines of offshore compliant platforms. It introduces general structural designs and also examines the details of the various environmental impacts that act upon them, such as fatigue, fire, collisions, and water waves.

Features

  • Provides thorough coverage of the dynamic analysis and design of semi-submersible platforms
  • Assists readers through detailed analysis methods using MATLAB® as well as other computer programs used to carry out structural analysis
  • Explains impact loading and dynamic response through numerical analysis and examines the various factors that affect semi-submersibles
  • Presented in a coursework teaching style, the content is explained in a step-by-step manner using color figures, photos, screen shots, and illustrations, thereby enabling students, researchers, and practicing engineers to carry out analysis with ease

Offshore Semi-Submersible Platform Engineering

serves as a practical guide for upper-level students and graduates of various engineering disciplines, for example, naval architecture, and structural, mechanical, pipeline, and offshore engineering. Further, it can also be used as a reference for practicing professionals, as the book covers a broad range of scholarships and applications.

Foreword ix
Anupam Gupta
Foreword xi
Haluk Erol
Foreword xiii
Faisal Khan
Preface xv
Author xvii
Chapter 1 Introduction
1(30)
1.1 Ocean Environment
1(1)
1.2 Environmental Loads
1(17)
1.2.1 Wave Loads
1(4)
1.2.2 Wind and Current
5(5)
1.2.3 Ice Loads
10(5)
1.2.4 Fire Loads
15(3)
1.2.5 Impact Loads
18(1)
1.3 Compliant and Floating Platforms
18(8)
1.3.1 Tension Leg Platform (TLP)
19(2)
1.3.2 Single Point Anchor Reservoir (SPAR)
21(1)
1.3.3 Semi-Submersibles
22(1)
1.3.4 Drillships
22(2)
1.3.5 Floating Production Storage and Offloading (FPSO) Platform
24(1)
1.3.6 Triceratops
25(1)
1.3.7 Storage and Regasification Platform
26(1)
1.4 Risers and Moorings
26(5)
1.4.1 Classification of the Riser
28(1)
1.4.2 Functionally Graded Riser Material
29(1)
1.4.3 Mooring Configurations
29(2)
Chapter 2 Semi-Submersibles
31(34)
2.1 Semi-Submersibles: A Primer
31(4)
2.1.1 Geometric Configuration
31(2)
2.1.2 Functional Requirements
33(1)
2.1.3 Commissioned Semi-Submersibles
34(1)
2.2 Example Case Study 1: Numerical Response Analysis of a Semi-Submersible
35(22)
2.2.1 Description of the Platform
40(1)
2.2.2 Mooring System
41(1)
2.2.3 Environmental Forces
42(5)
2.2.4 Response under Spread Mooring
47(6)
2.2.5 Dynamic Tension Variation
53(4)
2.3 Example Case Study 2: Numerical Response Analysis of a Semi-Submersible with Submerged Buoy
57(8)
2.3.1 Description of the Platform
57(2)
2.3.2 16-Point Mooring System with Submerged Buoy
59(1)
2.3.3 Natural Periods and Damping
60(1)
2.3.4 Motion Response
60(4)
2.3.5 Tension Variation in Mooring Systems
64(1)
Chapter 3 Reliability and Fatigue Life
65(70)
3.1 Introduction
65(2)
3.2 Example Study: Triceratops
67(4)
3.2.1 Description of the Platform
68(3)
3.3 Environmental Forces
71(1)
3.4 Motion Response
72(1)
3.5 Dynamic Tension Variation in Tethers
73(2)
3.6 Fatigue Analysis and Reliability Assessment
75(19)
3.6.1 Palmgren-Miner Rule
77(1)
3.6.2 Reliability against Yielding
77(16)
3.6.3 Fatigue Life Assessment
93(1)
3.7 Reliability and Fatigue Assessment under Postulated Failure
94(10)
3.8 Fatigue Analysis of Mooring Lines in Semi-Submersibles
104(19)
3.8.1 Fatigue Life of 12-Point Mooring
107(14)
3.8.2 Fatigue Life of a 16-Point Mooring with Submerged Buoy
121(2)
3.9 Fatigue Life Using MATLAB Code
123(7)
3.10 Additional MATLAB Codes
130(5)
3.10.1 MATLAB Code for Converting the Non-Zero Mean Stress to Zero Mean Stress and Computing Fatigue Damage
130(1)
3.10.2 Code for Generating the Rainflow Cycle Counting Graph
131(1)
3.10.3 Code for Obtaining Probability of Failure for a Given Reliability Index
132(1)
3.10.4 Code for First-Order Reliability Method
132(1)
3.10.5 Code for Comparing the Probability of Failure of Correlated and Uncorrelated Random Variables in the Same Distribution
133(2)
Chapter 4 Semi-Submersibles under Impact Loads
135(42)
4.1 Introduction
135(1)
4.2 Material Properties
135(3)
4.3 Ship-Platform Collision
138(3)
4.4 Response under Impact Loads
141(4)
4.4.1 Damage Profile
141(3)
4.4.2 Force-Deformation
144(1)
4.5 Parametric Studies on Impact Response
145(18)
4.5.1 Location of Collision Zone
145(5)
4.5.2 Size of Indenter
150(6)
4.5.3 Shape of Indenter
156(2)
4.5.4 Strain-Rate Hardening
158(5)
4.6 Impact Response in Arctic Region
163(14)
4.6.1 Indenter Velocity
169(4)
4.6.2 Indenter Size
173(2)
4.6.3 Mid-Bay Collision
175(2)
Chapter 5 Pipe-Laying Barges
177(34)
5.1 Introduction
177(1)
5.1.1 Floating Production Units
177(1)
5.2 Special Purpose Vessels
177(3)
5.2.1 Pipe-Laying Vessels
177(2)
5.2.2 Drilling Vessels
179(1)
5.3 Support Vessels
180(1)
5.3.1 Seismic and Survey Vessels
180(1)
5.3.2 Well-Maintenance Vessels
180(1)
5.3.3 Diving-Support Vessels
180(1)
5.3.4 Crane Vessels
181(1)
5.4 Transport Vessels
181(3)
5.4.1 Shuttle Tankers
181(1)
5.4.2 Heavy-Lift Transport Vessels
182(1)
5.4.3 Launch Barges
183(1)
5.4.4 Tugs and Supply Vessels
183(1)
5.4.5 Transfer Vessels
183(1)
5.5 Mooring Systems
184(3)
5.6 Shallow Water Effects
187(1)
5.7 Sea State Modeling
188(1)
5.8 Pipe-Laying Barge
189(4)
5.9 Mooring Line Arrangement
193(2)
5.10 Wave-Heading
195(3)
5.11 Angle between Mooring Lines
198(2)
5.12 Stiffness Variation
200(3)
5.13 Wave Period and Wave-Heading
203(1)
5.14 Proposed Mooring Layout
204(7)
References 211(14)
Index 225
Srinivasan Chandrasekaran is a full professor of structural engineering in the Department of Ocean Engineering, Indian Institute of Technology Madras. He commands a teaching experience of about 28 years, during which he has guided about 30 research theses. He has authored 15 textbooks, published by publishers of international repute. He has also published about 160 research papers in the peer-reviewed international journals and refereed conferences. He commands domain expertise in a few areas, namely: structural dynamics, reliability and risk assessment, ocean structures and materials, advanced structural analysis, and HSE in offshore and petroleum engineering. More details can be found at: http://www.doe.iitm.ac.in/drsekaran.