Offshore structures. Volume II, Strength and safety for structural design / by Günther Clauss, Eike Lehmann, Carsten Östergaard.

Included bibliographical references and index.

4. Marine Structural Analysis -- 5. Environmental Conditions Affecting Marine Structures -- 140. VI Contents -- 6. Evaluation of Marine Structures -- 252. Contents vii -- 7. Dimensioning of Marine Steel Structures -- --

4. Marine Structural Analysis -- 4.1. Time-Independent Elastic Problems -- 4.1.1. Frameworks -- 4.1.2. Membranes -- 4.1.3. Plates -- 4.1.4. Cylindrical Shells -- 4.2. Stability and Second-Order Stress Theory -- 4.3. Time-Dependent Elastic Problems -- 4.3.1. Natural Frequencies of Beams and Plates -- 4.3.2. Forced Oscillations -- 4.4. Ultimate Load Analysis -- 4.4.1. Plastic Capacity under Combined Loading -- 4.4.2. Ultimate Loads of Simple Structures -- 4.5. Numerical Methods -- 4.5.1. Finite Element Method -- 4.5.2. Structural Modelling with Finite Elements -- 4.6. List of Symbols -- 5. Environmental Conditions Affecting Marine Structures -- 5.1. Evaluating Stochastic Processes -- 5.1.1. Stationary Random Processes -- 5.1.2. Stationary Gaussian Random Processes -- 5.1.3. Stationary Poisson Random Processes and Markov Chains -- 5.1.3.1. The Poisson Random Process -- 5.1.3.2. Markov Chains -- 5.1.4. Linear Systems with One Degree of Freedom -- 5.2. Evaluating Random Processes in the Marine Environment -- 5.2.1. Probabilistic Description of the Stationary Seaway -- 5.2.1.1. The Superposition Model of the Seaway -- 5.2.1.2. The State Space Model of the Seaway -- 5.2.1.3. Probabilistic Seaway Parameters -- 5.2.2. Statistical Analysis of the Seaway -- 5.2.2.1. Short-Term Statistics -- 5.2.2.2. Long-Term Statistics -- 5.2.3. Wind and Sea Currents -- 5.2.3.1. Wind -- 5.2.3.2. Sea Currents -- 5.3. List of Symbols -- 6. Evaluation of Marine Structures -- 6.1. Classical Methods of Short-Term Evaluation -- 6.1.1. Floating Structures -- 6.1.2. Flexible Mooring of Floating Structures -- 6.1.3. Fixed Structures -- 6.1.3.1. Monopod Platforms in a Stationary Seaway -- 6.1.3.2. Linearly Elastic Structures with more than One Degree of Freedom -- 6.2. Classical Methods of Long-Term Evaluation -- 6.2.1. Design Values for Environmental Loads -- 6.2.1.1. Design Value of an Individual Wave Load -- 6.2.1.2. Comparative Evaluation of Wave Loads -- 6.2.1.3. Superposition of Load Processes -- 6.2.2. Fatigue Strength Models -- 6.2.2.1. Fatigue Strength Modelling -- 6.2.2.2. Crack Propagation Modelling -- 6.2.2.3. Stochastic Evaluation of Fatigue Strength -- 6.2.3. Fatigue Strength under Seaway Loads -- 6.2.3.1. Deterministic Method of Analysis -- 6.2.3.2. Spectral Analysis Method -- 6.2.3.3. Simulation -- 6.2.3.4. Design for Fatigue Strength -- 6.3. Modern Methods of Reliability Analysis -- 6.3.1. Reliability of Load-Bearing Structural Elements -- 6.3.2. Reliability of Load-Bearing Structural Systems -- 6.3.2.1. Structures Behaving Like Series or Parallel Systems -- 6.3.2.2. Structures Behaving Like Redundant Systems -- 6.3.3. Reliability and Risk as Functions of Time-- 252. Contents vii -- 6.3.3.1. Fatigue Failure Probability Modelling with Stress and Strength being Functions of Time -- 6.3.3.2. Hydrodynamic and Structural Analysis -- 6.3.3.3. Multi-Dimensional Response Surfaces for Spectral Moments -- 6.3.3.4. Stochastic Models of Basic Parameters and Data -- 6.3.3.5. Numerical Estimation of Fatigue Failure Probability as a Function of Time -- 6.3.3.6. Adaptive Inspection Planning -- 6.4. List of Symbols -- 7. Dimensioning of Marine Steel Structures -- 7.1. Fabrication and Materials -- 7.2. Dimensioning in Accordance with Regulations -- 7.2.1. Dimensioning of Slender Stiffeners for Plates Subject to Pressure -- 7.2.2. Dimensioning of Cylindrical Structures -- 7.2.3. Tube Joints -- 7.3. Fatigue Strength Evaluation on the Basis of Regulations -- 7.3.1. Fatigue Design on the Basis of GL Requirements -- 7.3.2. Fatigue Design on the Basis of API-RP2A Recommendations -- 7.3.3. Fatigue Analysis Based on API-RP2A Recommendations -- 7.4. Development of Modern Regulations -- 7.4.1. Development of Regulations Based on Reliability Technology -- 7.4.2. Principles of Quality Assurance and Classification -- 7.5. Examples of Structural Components -- 7.6. List of Symbols -- Appendix: -- A.1. Selected Principles of Probability Theory -- A.2. Selected Principles of Matrix Calculus.

This is the second part of the translation of the original German text Meerestechnische Konstruktionen which was published by Springer-Verlag in 1988. The translated material is a reviewed and updated version of the German text. Where as the first volume concentrates on general and external factors, this one focuses on factors affecting the design and analysis of offshore structures themselves. In an effort to address a wide audience the topic is presented in a general context. Therefore it introduces students and practising engineers to the field of marine technology and, at the same time, serves as a reference book for experts. Finally it gives specialists in related fields an idea of where their work on individual problems of offshore structures stands in relation to the field as a whole. Offshore Structures, Vol. 2 is based on the authors' lectures and design practice in offshore structures and their components. It assists the reader in developing practical solutions by introducing a large number of examples and reference is made to further specialised literature.

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