9th Semester NAME

Introduction and study of maritime and marine safety. Analysis of the concepts SAFETY I and SAFETY II. Introduction and analysis of the Formal Safety Assessment (FSA) methodology of the International Maritime Organization (IMO). Analysis of risk engineering and the concept of resilience engineering in maritime transport. Study and management of risk in shipping: social risk, individual risk, perceived risk and consequence assessment (including environmental evidence, oil pollution). Recording the dimensions of risk and studying acceptance limits (for the design and operation of ships). Quantified methodologies for risk analysis, valuation and management – including risk-benefit analyses. Analysis of maritime accidents. Sustainability elements of shipping. Presentation and critical analysis of maritime and marine safety and environmental protection regulations from ships. Organization of anti-fouling operations and design/operation of anti-fouling vessels and equipment.

Study of the human factor and introduction to human reliability in maritime transport. Valuing and quantifying the role of the human element. Presentation of first- and second-generation theory and methodologies for assessing and improving human reliability and their application to maritime transport. Human as a source of risks, but also as a measure of de-escalation of critical situations: reference to the modern consideration of the integrated assessment of the human factor. Presentation of comparative approaches to applications in maritime transport and maritime accidents.

Historical development of ship stability theory. Moseley s concept of dynamic stability. Overview of ship dynamic stability problems. Interface with classical nonlinear dynamical systems’ stability theory. General stability analysis of equilibrium positions and of periodic responses. Coexistence of responses. Modeling the effect of wind on a ship (steady and gusty). The basic equation of ship roll motion for beam seas. The classical Froude approach with the analog of the rotational oscillator. Solution of the linear problem, qualitative and quantitative effect of non-linear terms, permanent and transient behavior, effect of ship loading bias on dynamic stability. Stability consideration for large heel angles. Nonlinear resonance and hysteretic effects. Predictions of roll motions through numerical simulation and approximate analytical solutions based on perturbation theory. Instabilities due to time-varying righting-arm in longitudinal waves. The phenomenon of parametric instability, types and design features of ships where it occurs. Development of a simplified mathematical model and analytical determination of the principal region of parametric instability. Effect of damping and motion coupling. Design criteria. Conditions for ""pure loss of stability"" in following waves. Other instability phenomena and description of the IMO guidelines to avoid dangerous situations. The scientific background of the ""weather criterion"" of ship stability according to IMO. Review of other criteria in force and future trends. Basic concepts of probabilistic approach and application examples. Introduction to damage Stability, historical development, comparison of the deterministic and the probabilistic approach. Calculation of subdivision index according to Wendel’s theory. Current regulations, design aids, and modern developments.

Introduction to logistics and supply chain management, historical review. International transportation system. Modern requirements and strategy of companies. Methods and solutions. Operational strategies. Selection of means of transport. Nodal stations-warehouses. Intermodal transport. Institutional framework and policy. Examples.

Types of anchoring systems. Permanent and temporary moorings. Description of the elements that make up an anchoring system (anchoring branches, anchors, materials). Static analysis of anchorage systems of single and multiple branches (inelastic and elastic catenary equation, intermediate floats, different materials). Design of anchorage systems of single and multiple branches (design loads from wind, currents and waves on the floating structure, preliminary selection of geometric and inertial characteristics of the anchorage branches, determination of the stiffness of the anchorage system, responses of the anchored structure, construction of the characteristic external load-displacement curve, proficiency checks). Design regulations for anchorage systems according to classification societies and other organizations.

Wave phenomena in the sea environment. General principles of wave motion. Principle of Heron-Fermat. Ray theory. Reflection, refraction and diffraction in stratified and inhomogeneous media. Representation of wave field in waveguides with non-planar boundaries. Variational principles in the frequency domain and in the time-domain. Coupled-mode theory. Green’s functions in waveguides with general boundaries. Disturbance field by a localized scatterer in a waveguide. Numerical solutions of waveguide-scattering problems. Overview of basic theorems and equations of Fluid Mechanics. Wave equations with application to the propagation of surface gravity water-waves and hydroacoustic waves. Boundary conditions. Radiation conditions. Formulation of the waveguide problem in stratified and inhomogeneous media. Simple solutions obtained by separation of variables (in infinite and semi-infinite strips). Propagating and evanescent modes. Energy theorems. Group velocity. Green’s functions in simple waveguides. Technological applications and environmental problems of gravity waves (interaction of water waves with structures and the marine/coastal environment, wave energy systems). Technological applications and environmental problems of underwater acoustics (underwater telecommunications, tomographic applications, marine environment remote sensing, shipping noise).

Part A, High-Speed Craft: Types of high-speed vessels. Semi-displacement and planing craft. Hydrodynamic lift. Resistance of semi-displacement and planing vessels. Empirical and semi- empirical methods of its estimation. The method of Savitsky. Systematic series of speedboat hull forms. Propulsion, and dynamic behaviour of High-Speed ships (HSS) in waves. Design elements and procedures in the preliminary design phase. Part B, Sailing yachts: The geometry of sailing. Forces on a sailing yacht. Resistance, stability, and seaworthiness of sailing yachts. Equations describing the operation of sailing yachts. Experimental investigation of their performance. Polar diagram and evaluation VMGMAX for various true wind speeds VT. Gimcrack diagram for correlation of the aerodynamic and the hydrodynamic performance of a sailing yacht. Design of hull form and main appendages (keel, rudder). Velocity prediction programs. Systematic series of sailing yachts.