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E-raamat: Offshore Mechanics: Structural and Fluid Dynamics for Recent Applications

  • Formaat: EPUB+DRM
  • Ilmumisaeg: 30-Jan-2018
  • Kirjastus: John Wiley & Sons Inc
  • Keel: eng
  • ISBN-13: 9781119216636
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  • Formaat: EPUB+DRM
  • Ilmumisaeg: 30-Jan-2018
  • Kirjastus: John Wiley & Sons Inc
  • Keel: eng
  • ISBN-13: 9781119216636
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Covers theoretical concepts in offshore mechanics with consideration to new applications, including offshore wind farms, ocean energy devices, aquaculture, floating bridges, and submerged tunnels

This comprehensive book covers important aspects of the required analysis and design of offshore structures and systems and the fundamental background material for offshore engineering. Whereas most of the books currently available in the field use traditional oil, gas, and ship industry examples in order to explain the fundamentals in offshore mechanics, this book uses more recent applications, including recent fixed-bottom and floating offshore platforms, ocean energy structures and systems such as wind turbines, wave energy converters, tidal turbines and hybrid marine platforms.

Offshore Mechanics covers traditional and more recent methodologies used in offshore structure modelling (including SPH and hydroelasticity models). It also examines numerical techniques, including computational fluid dynamics and finite element method. Additionally, the book features easy-to-understand exercises and examples. 

  • Provides a comprehensive treatment for the case of recent applications in offshore mechanics for researchers and engineers
  • Presents the subject of computational fluid dynamics (CFD) and finite element methods (FEM) along with the high fidelity numerical analysis of recent applications in offshore mechanics
  • Offers insight into the philosophy and power of numerical simulations and an understanding of the mathematical nature of the fluid and structural dynamics with focus on offshore mechanic applications

Offshore Mechanics: Structural and Fluid Dynamics for Recent Applications is an important book for graduate and senior undergraduate students in offshore engineering and for offshore engineers and researchers in the offshore industry.

About the Authors ix
Preface xi
Acknowledgements xiii
1 Preliminaries
1(6)
2 Offshore Structures
7(44)
2.1 Ship-shaped Offshore Structures
7(3)
2.2 Oil and Gas Offshore Platforms
10(3)
2.3 Offshore Wind Turbines
13(9)
2.4 Wave Energy Converters
22(6)
2.5 Tidal Energy Converters
28(4)
2.6 Combined Offshore Energy Systems
32(3)
2.7 Multipurpose Offshore Structures and Systems
35(1)
2.8 Submerged Floating Tunnels
36(3)
2.9 Floating Bridges
39(3)
2.10 Aquaculture and Fish Farms
42(9)
References
44(7)
3 Offshore Environmental Conditions
51(36)
3.1 Introduction
51(1)
3.2 Wave Conditions
51(4)
3.2.1 Basic Characteristics of Free Surface Normal Waves
52(2)
3.2.2 Swells
54(1)
3.2.3 Wave Propagation in Space
54(1)
3.2.4 Wave Measurement
55(1)
3.3 Wind
55(3)
3.3.1 Global Wind Pattern
55(2)
3.3.2 Wind Measurement
57(1)
3.4 Currents
58(3)
3.4.1 Tidal Currents
58(1)
3.4.2 Wind-driven Currents
59(1)
3.4.2.1 Global Wind-driven Currents
59(1)
3.4.2.2 Longshore Currents
59(1)
3.4.2.3 Rip Currents
59(1)
3.4.2.4 Upwelling Currents
60(1)
3.5 Joint Distribution of Waves and Winds
61(7)
3.6 Oceanographic and Bathymetric Aspects
68(3)
3.7 Scour and Erosion
71(4)
3.8 Extreme Environmental Conditions
75(4)
3.9 Environmental Impact of Offshore Structures' Application
79(8)
References
82(5)
4 Hydrodynamic and Aerodynamic Analyses of Offshore Structures
87(40)
4.1 Introduction
87(1)
4.2 Wave Kinematics
87(8)
4.2.1 Regular Waves
87(5)
4.2.2 Ocean Waves
92(3)
4.3 Wave Loads on Offshore Structures
95(12)
4.3.1 Wave Loads Induced by Inviscid Flows
97(2)
4.3.1.1 Inviscid Loads Due to Forced Oscillation of an Offshore Structure (Concept of Added Mass and Damping Coefficients)
99(3)
4.3.1.2 Added Mass and Damping Coefficients in the Presence of a Free Surface
102(2)
4.3.1.3 Considering Diffraction Effects on Calculating Wave Loads
104(2)
4.3.2 Morison Equation
106(1)
4.4 Tides and Currents Kinematics
107(2)
4.5 Current Loads on Offshore Structures
109(1)
4.6 Wind Kinematics
110(5)
4.6.1 Wind Data Analysis
111(2)
4.6.2 Extreme Wind Conditions
113(1)
4.6.3 Wind Speed Variation with Height
114(1)
4.7 Wind Loads on Offshore Structures
115(2)
4.8 Aerodynamic Analysis of Offshore Wind Turbines
117(10)
4.8.1 1D Momentum Theory
117(2)
4.8.2 Effects of Wind Turbine Rotation on Wind Thrust Force
119(2)
4.8.3 Blade Element Momentum Theory
121(3)
References
124(3)
5 Fundamentals of Structural Analysis
127(56)
5.1 Background
127(12)
5.1.1 Structural Components
128(6)
5.1.2 Stress and Strain
134(5)
5.2 Structural Analysis of Beams
139(20)
5.2.1 Introduction
139(2)
5.2.2 Beams under Torsion
141(6)
5.2.3 Bending of Beams
147(5)
5.2.4 Beam Deflections
152(3)
5.2.5 Buckling of Beams
155(4)
5.3 Mathematical Models for Structural Dynamics of Beams
159(7)
5.3.1 Bernoulli-Euler Beam Theory
161(5)
5.4 Frame Structures and Matrix Analysis
166(606)
5.5 Plate Theories
172(1)
5.5.1 Introduction
172(2)
5.5.2 Plane Stress
174(2)
5.5.3 Mathematical Models for Bending of Plates
176(2)
References
178(5)
6 Numerical Methods in Offshore Structural Mechanics
183(94)
6.1 Structural Dynamics
183(5)
6.2 Stress Analysis
188(1)
6.3 Time-Domain and Frequency-Domain Analysis
189(608)
6.4 Multibody Approach
197(2)
6.5 Finite Element Method
199(1)
6.6 Nonlinear Analysis
199(2)
6.7 Extreme Response Analysis and Prediction
201(3)
6.8 Testing and Validation of Offshore Structures
204(7)
6.9 Examples
211(66)
6.9.1 Example 6.1
211(62)
6.9.2 Example 6.2
213(1)
References
214(63)
7 Numerical Methods in Offshore Fluid Mechanics
217(1)
7.1 Introduction
217(1)
7.2 Potential Flow Theory Approach
217(5)
7.2.1 Three-dimensional Problem
222(2)
7.2.2 Numerical Consideration
224(1)
7.3 CFD Approach
225(30)
7.3.1 Discretization of the Navier-Stokes Equation on Rectangular Structured Grids
226(1)
7.3.2 Advection Terms
227(1)
7.3.3 Viscous Terms
228(1)
7.3.4 Pressure Term and Mass Conservation Equation
228(1)
7.3.5 Solving Navier--Stokes Equations
229(1)
7.3.6 Poisson Equation
230(3)
7.3.7 The Effects of Free Surface
233(1)
7.3.8 Volume of Fluid Method
234(2)
7.3.9 Level Set Method
236(1)
7.3.10 Discretization of Level Set Function
237(3)
7.3.11 Discretization of Reinitialization Equation
240(7)
7.3.12 Studying Solid--Fluid Interaction
247(5)
7.3.13 Immersed Boundary Methods
242(2)
7.3.14 Discretization of the NS Equation in a Mapped Coordinate System
244(4)
7.3.15 Grid Generation in a Mapped Coordinate System: Stretched Grid
248(1)
7.3.16 Grid Generation in the Mapped Coordinate System: Body-Fitted Grids
249(8)
7.3.17 Body-Fitted Grid Generation by Using Unstructured Grids
257(5)
References
252(3)
8 Mooring and Foundation Analysis
255(32)
8.1 Mooring Considerations
255(12)
8.1.1 Catenary Moorings
261(2)
8.1.2 Taut Moorings
263(4)
8.2 Soil Mechanics
267(8)
8.3 Foundation Design
275(12)
References
285(2)
Index 287
MADJID KARIMIRAD, PhD, is a Senior Lecturer in Marine and Coastal Engineering in the School of Natural and Built Environment, Queen's University Belfast (QUB), United Kingdom (UK).

CONSTANTINE MICHAILIDES, PhD, is a Lecturer of Offshore Structures/Engineering in the Civil Engineering and Geomatics Department at Cyprus University of Technology, Cyprus.

ALI NEMATBAKHSH, PhD, is an Assistant Project Scientist in the Department of Mathematics at the University of California, Riverside, USA.