Ph.D (Naval Architecture & Ship Building Maintenance)

Duration: Min 2 years & Maximum of Five Years

 

Ph.D - Naval Architecture & Ship Building Maintenance Course (Doctoral Programme) is approved & conducted under collaboration with the Karnataka State Open University (KSOU), Mukthagangotri, Mysore.

 

  • Course is conducted in Regular mode.

 

Objectives & Job Opportunities:

 

To ensure research and development in the field of Ship Design and operation for the growth of the Nation. To promote the research in Naval Architecture and Ship Building, allowing the development of relevant areas of international scientific knowledge. To present the development of recognized technological and scientific research activities at international level. To contribute to the high quality academic education in Naval Architecture and Ship Building and offering this education at international level. A Doctor of Philosophy, or Ph.D., in Naval Architecture and Ship Building allows students to gain an advanced education in the design and construction of Ship systems and structures. A Ph.D. in the field often involves years of intensive, individualized research into a particular aspect of naval Architecture and Ship Building. A Doctorate in Naval Architecture & Ship Building is responsible for researching, conceiving and designing new and advanced Ship systems and production platforms. They focus heavily on the research aspects of the industry, and they often receive research positions in academic or naval associations such as Ship Yards, Indian Navy, Naval science & Technical Laboratory and various universities in Teaching Profession. Naval Architects have a wide range of employment opportunities, in UK, South Korea, Singapore, china, Japan, Vietnam, Germany, US & Netherland, where shipyards, Dry Docking yards, Boat Building Yards, offshore Structures etc., are being built.  Navy all over the world also recruits a good number of Naval Architects every year to serve its requirements in PG level & Doctorate levels.

 

Eligibility criteria to join the course:

 

ME / M.Tech in Civil / Mechanical / Naval Architecture / Electrical / Marine Engineering / M.Arch /  M.Sc - Naval Architecture / Aeronautical / Ship Building (or) C.O.C as Extra First Class Engineer / C.O.C as MEO Class I .

 

YEAR - 1

 

Research Course curriculum

Paper I

Introduction to Research Methodology

Paper II

Introduction to  Ships and offshore structures

Paper III

Statics and Dynamics of Marine Vehicle.

Paper IV

Advanced Ship Design

Paper V

Marine Instrumentation

Paper VI

Foundation of Computational Fluid Dynamics

Paper VII

 Advanced Wave Hydrodynamics

Paper VIII

Advanced  Marine Construction  & Welding

Paper IX

CAD/CAM in Marine Design

Paper X

Sea Keeping & Maneuvering

Paper XI

Performance of Marine vehicles

 

YEAR - 2

 

Ph.D  thesis Work

All the candidates will have to research independently under the guidance of an expert / guide on an agreed topic and present thesis of 1, 00,000 words in which the candidate will be orally examined by experts.

Stage I :

Discussion on Area of Specialization, Research Methodology  & Writing Proposals (2-4 weeks)

Stage II :

Designing Research Methodology, Work Plan, Cost Benefit Analysis & Review of Literature, Materials collection etc.

Stage III:

Hands on experience in Instrumentation &  handling Equipments

Stage IV :

 

Executing the work Plan, Proposal; Laboratory Experiments,

Recording the results, Analysis of the results- Dynamics of Ships, Design & Testing of Offshore & Near shore Structures.

Stage V:

Comprehensive viva 1

Stage VI:

Proof reading & corrections

Stage VII:

Sending the Thesis to National & International Universities.

Stage VIII:

Comprehensive viva 2

Stage IX:

Paper Presentations &Publications

Stage X:

Public Viva-Voce Examinations

 

Course Contents:


Detailed Syllabus

Paper I: Introduction to Research Methodology (10 hrs)

Unit I:

Meaning and significance of research and scholarship; difference between undergraduate and research education; skills, habits and attitudes for research; status of research in India; course objectives.

Unit II:

Thinking skills: Problem solving, creativity, problem finding and formulation (10 hrs)

Levels and styles of thinking; common-sense and scientific thinking; examples. Problem solving strategies – reformulation or rephrasing, techniques of representation, logical thinking, division into sub-problems, verbalization, awareness of scale; Importance of graphical representation; examples.

Problem finding and literature survey, Information gathering – reading, searching and documentation; types, attributes and sources of research problems; problem formulation. Prescriptions for developing creativity and problem solving.

Unit III:

Experimental and modeling skills (10 hrs)

Scientific method; role of hypothesis in experiment; units and dimensions; dependent and independent variables; control in experiment; precision and accuracy; need for precision; definition, detection, estimation and reduction of random errors; statistical treatment of data; definition, detection and elimination of systematic errors; design of experiments; experimental logic; documentation;

Types of models; stages in modeling; types of models; curve fitting; the art of making approximations; problem representation; logical reasoning; mathematical skills; finite element and Monte Carlo techniques of numerical simulation; Two case studies illustrating experimental and modeling skills.

Unit IV:

Effective communication - oral and written (10 hrs)

Examples illustrating the importance of effective communication; stages and dimensions of a communication process.

Oral communication –verbal and non-verbal, casual, formal and informal communication; interactive communication; listening; form, content and delivery; various contexts for speaking- conference, seminar etc; visual aids
Written communication - form, content and language; layout, typography and illustrations; contexts for writing – paper, thesis, reports etc. Prescriptions for developing communication skills.

Unit V:

Publishing and patenting (10 hrs)

Difference between publishing and patenting; relative importance of various forms of publication; choice of journal and reviewing process; stages in the realization of a paper or a patent and how to handle these

Unit VI:

Stress and time management, Interpersonal skill, professional ethics: (10 hrs)

Psychological phases of a PhD process; stress points; aims of supervisors; mismatches between scholar and supervisor and related problems.

Managing self; empathy; managing relationships with your supervisor, colleagues, and

supporting staff; listening; assertiveness; teamwork; sense of humor. Duration and stages of a PhD process; long term and short term goals; time tabling and deadlines.
Profession; integrity, objectivity, fairness and consistency; loyalty; plagiarism and research ethics; safety
 

Paper II: Introduction to Ships and offshore structures:

Unit I:

Ocean Environment - waves, tides and currents; Ocean Resources – oil and gas, mineral modules, energy, food source etc.

Unit II:

Types of ships, Hull forms & its definitions; sectional area and moments; hydrostatics calculations; space allocation & general arrangement; weights & CG; Volume & capacities; GRT & NRT.

Unit III:

Types of offshore structures, Jacket & gravity platforms, jack-up, semi-submersible .

Unit IV:

Drill ships, TLP, Spar & guyed tower, submarine pipeline, ,

Unit V:

Deep water complaint platforms  FPSO & sub-sea production systems.  


Paper III: Stability of  Ships:

Unit I:

Flotation and trim; Stability at small angles; Free surface effects; Effects of lifting and movement of large masses on stability;

Unit II:

Stability at large angles; Cross-curves of stability; Curves of stastical stability; Dynamical stability; Subdivision and flooding.

Unit III:

 Stability in damaged conditions - lost buoyancy and added weight methods; Probabilistic Damage Stability;

Unit IV:

ILLC; Fire Prevention and Control in Ships and ports, Occupational Hazards and Use of PPEs, ISM; Formal safety assessment;

Unit V:

Oil tanker safety and Pollution prevention; Pollution due to sewage and garbage; MARPOL; Air pollution; Pollution due to ballast water and its control; Security in Ports – ISPS code.


Paper IV: Advanced Ship Design:

Unit I:

Engineering design - Philosophy and definition; Marketing principles in marine environment;

Unit II:

Engineering economic criteria and complexities, operating cost, optimal vessel design; Properties of cargo;

Unit III:

 Design spiral, concept design, objectives and constraints, preliminary design; Hull form design and development;

Unit IV:

General Arrangement design - Space and volume layout, access arrangements;
Unit V:

Shipbuilding cost estimation; Specifications, tendering and contract.


Paper V: Marine Instrumentation:

Unit I:

Types of marine instrumentation; insitu and remote sensing instruments; operating  platforms fixed, ship, platform and buoy based; output formats; telemetry

Unit II:

Measurement of temperature, salinity, sound velocity, wave height, wave period, tidal  height, tidal period and ocean depth etc

Types of tide gauges: principles, operation and applications

Wave radars, rain gauge, seabed observatories

Unit IV:

Types of buoys; principles, application and operations for measurement of wind, temperature, current, wave height and direction and other environmental sensors Satellite telemetry systems

Unit V:

Surveying equipment: echosounder, multibeam sonar, subbottom profiler, side scan sonar,
boomers, sparkers, magnetometers, positioning and tracking equipment

Paper VI: Foundation of Computational Fluid Dynamics:

Unit I:

Formulation, methodology and techniques of numerical solutions of potential and viscous flow problems in ocean engineering,

Unit II:

Boundary integral methods – application to radiation and diffraction problems.

Unit III:

Finite difference and finite volume methods – grid generation.

Unit IV:

 Solution of free surface flows and Navier Stokes equations around a body in water.

Unit V:

Numerical flow simulation.


Paper VII: Advanced Wave Hydrodynamics:

Unit I:


Basic Fluid Mechanics : Conservation of mass and momentum, Euler Equation, Bernoullis
equation, potential flow, stream function.

Unit II:

Waves : Classification of water waves Two dimensional wave equation and wave characteristics wave theories Small amplitude waves Finite amplitude waves Stokian, Solitary and Cnoidal wave theories Water particle kinematics wave energy, power wave deformation Reflection,

Unit III:

Refraction, Diffraction Breaking of waves Wave Forecasting Methods Spectral description of Ocean Waves Design wave.

Currents : Classification Behaviour Design Criteria, Scour and other effects of currents.

Unit IV:

Forces : Wave forces Morison equation wave loads on vertical, inclined and horizontal cylinders.

Unit V:

 Diffraction theory wave slamming and slapping wave impact pressures and forces on Coastal Structures Breakwaters Seawalls Model Experiments.

Paper VIII: Advanced  Marine Construction  & Welding:

Unit I:

Aspects of shipbuilding technology; Structural components - bottom construction, shell plating, decks, fore and aft peak construction, superstructure and deckhouses, bulkheads; Framing system; Structural continuity;

Unit II:

Steel material preparation - shot blasting, acid pickling etc; Plate cutting methods; Plate and section forming - mechanical methods and line heating techniques; Fusion welding – types of power source and their characteristics,



Unit III:

Welding methods - MMAW, GMAW, SAW, Electro-slag welding; Welding parameters and their effect on welded joints; Welding distortions-causes and prevention; Welding defects;

Unit IV:

Nondestructive testing, Corrosion and its prevention.


Paper IX: CAD/CAM in Marine Design:

Unit I:

Introduction; Engineering CAD systems; Analytical and parametric representation of curves;

Unit II:

Interpolation techniques, control polygon techniques (Bezier, BSpline, NURBS); Ship curve design; Interrogation and fairing techniques for curves;

Unit III:

surface representation, analytical and parametric representation of surfaces; Surface interpolation techniques, control polygon techniques(Bezier, BSpline, NURBS).  

Unit IV:

Interrogation and fairing techniques for surfaces;

Unit V:

Ship surface design- ruled surface, developable surface, low curvature surfaces.

Paper X: Sea Keeping & Maneuvering:

Unit I:

Regular surface waves and their properties; Irregular Waves – statistical representation, energy spectrum; Ship motions in regular waves: frequency of encounter, natural periods, RAO.

Unit II:

Motions in irregular waves: response spectra. Derived responses: slamming, deck wetness, relative motions, sea-sickness ; Design considerations for sea keeping; Motion Stabilisers.  


Unit III:

Introduction to maneuverability, directional stability. Basic motion equations of a maneuvering body. Hydrodynamic and control derivatives; Various definitive maneuvers:  turning, zigzag, spiral; Heel during turn.

Unit IV:

Experimental determination of hydrodynamic derivatives.

Unit V:

 IMO maneuvering standards; Rudder torque estimation and design.


Paper XI: Performance of Marine vehicles

Unit I:

Components of ship resistance; Dynamic similarity; Froude hypothesis; Viscous resistance; Laminar and turbulent flows;

Unit II:

Effect of roughness; Friction lines; Form resistance; Wave resistance; Kelvin wave pattern and waves generated by a ship; Wave interference; Air resistance; Appendage drag; Ship resistance in shallow water; Resistance data presentation.

Unit III:

Estimation of effective power - methodical series and statistical methods- Hull form and resistance;  High Performance Vehicles – Drag and propulsion.

Unit IV:

Screw propeller geometry; Propeller theories; Laws of similarity for propellers; Propellers in "open" water; Propeller coefficients and design charts; Hull propeller interaction - wake, thrust deduction and relative rotative efficiency;

Unit V:
 
Propulsive efficiency and its components; Propeller cavitation- Propeller blade strength;
Propulsion experiments- Propeller design; Speed trials and service performance analysis;

 

 

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