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Course Detail

Course Name Design of Offshore Structures
Course Code 18SC718
Program M. Tech. in Structural & Construction EngineeringPlacements & Partners
Credits Coimbatore
Year Taught 2019

Syllabus

Course Syllabus

Introduction to Wave Mechanics – Wave generation by Wind – Small Amplitude Wave Theory ; Formulation and solution, Wave Celerity, Length and Period, Classification of waves based on relative depth, Orbital motions and Pressure – Standing waves – Wave trains and Wave energy – Wave reflection, Wave refraction and Wave diffraction – Breaking of waves. Types of wave theories and its applications Types of offshore structures and conceptual development – Analytical models for jacket structures – Materials and their behaviour under static and dynamic loads – Statutory regulations – Allowable stresses – Various design methods and Code Provisions – Design specification of API, DNV, Lloyd’s and other classification societies – Construction of jacket and gravity platforms. Operational loads – Environmental loads due to wind, wave, current and buoyancy – Morison’s Equation – Maximum wave force on offshore structure – Concept of Return waves – Principles of Static and dynamic analyses of fixed platforms – Use of approximate methods – Design of structural elements. Introduction to tubular joints – Possible modes of failure – Design aspects as per API Code for tubular joints – Fatigue of tubular joints – Fatigue behaviour – S-N curves – Palmgren-Miner cumulative damage rule – Corrosion – Corrosion mechanism – Types of corrosion – Offshore structure corrosion zones – Biological corrosion – Preventive measures of Corrosion – Principles of cathode protection systems – Sacrificial anode method and impressed current method – Online corrosion monitoring – Corrosion fatigue. Case studies on fixed platform construction and its erection.

Text Books

  • Essentials of Offshore Structures, D. V. Reddy and A. S. J. Swamidas, CRC Press, 2013.
  • Construction of Marine and Offshore Structures, B.C Gerwick, Jr., CRC Press, Florida, 2007.
  • Offshore Structural Engineering, Dawson, T. H., Prentice Hall, 1983.
  • Planning, Designing and Constructing Fixed Offshore Platforms, API RP 2 A., API., 2000.
  • Planning & Design of fixed offshore Platforms, McClelland, B and Reifel, M. D., Kluwer Academic Publishers, 1986.

References

‘Design of Offshore Structures’ is an elective course offered in M. Tech. program in Structural & Construction Engineering at the School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore campus.

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