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# GATE Naval Architecture and Marine Engineering (NM) Syllabus 2023

** Organisation **: Graduate Aptitude Test In Engineering GATE

**: Naval Architecture and Marine Engineering (NM) Exam**

__Exam Name__**: GATE Naval Architecture and Marine Engineering (NM) Syllabus 2023**

__Announcement__**: https://gate.iitk.ac.in**

__Website__In each of the following subjects the topics have been divided into two categories – Core Topics and Special Topics. The corresponding sections of the question paper will contain 90% of their questions on Core Topics and the remaining 10% on Special Topics.

Related / Similar Syllabus: GATE Metallurgical Engineering (MT) Syllabus 2023

** Section 1**: Engineering Mathematics

** Determinants and matrices, Systems of linear equations, Eigenvalues and eigenvectors.

** Functions, gradient, divergence, curl, chain rules, partial derivatives, directional derivatives, definite and indefinite integrals, line surface and volume integrals, theorems of Stokes, Gauss and Green.

** Linear, non-linear, first and higher order ordinary and partial differential equations, separation of variables.

** Laplace transformation, analytical functions of complex variables, Fourier series, numerical methods for differentiation and integration, complex analysis, probability and statistics.

** Section 2**: Applied Mechanics and Structures

**:**

__Engineering Mechanics__** Free-body diagrams and equilibrium; trusses and frames; virtual work; kinematics and dynamics of particles and rigid bodies in plane motion; impulse and momentum (linear and angular) and energy formulations.

** Mechanics of Materials**:

** Stress and strain, elastic constants, Poisson’s ratio; Mohr’s circle for plane stress and plane strain; shear force and bending moment diagrams; bending and shear stresses; torsion; Euler’s theory of columns; energy methods; theories and failure, material testing methods.

** Vibrations**:

** Free and forced vibration of damped and undamped systems, single and multi DOF systems.

** Machine Design**:

** Design for static and dynamic loading; Design of machine elements such as shafts, gears, rolling and sliding contact bearings; Joining techniques such as bolting, riveting and welding.

** Section 3**: Fluid Mechanics and Marine Hydrodynamics

**: Fluid properties; fluid statics, stability of floating bodies; Conservation laws:**

__Fluid Mechanics__** Mass, momentum and energy (Integral and differential form); Dimensional analysis and dynamic similarity; sources, sinks, doublets, line vortex and their superposition; Stoke’s integral theorem. Generalised Bernoulli’s equation, sources, sinks, dipole, Flow with circulation, potential flow with rotational symmetry, hydrodynamical lift, Kutta-Joukowski theorem.

** Vortex motion- Fundamental concepts, vortex analogy to Biot-Savart’s law, straight parallel vortex filaments, vortex sheets.Viscous flow- Navier-Stokes equations, Couette flow, Plane poiseuille flow. Equation of continuity, Euler‘s equation, Bernoulli‘s equation, Viscous flow of incompressible fluids, elementary turbulent flow, boundary layer, flow through pipes.

** Boundary layer theory- Prandtl’s boundary layer equations, criterion for separation, Blasius solution, Skin friction, displacement thickness, momentum thickness, Turbulent boundary layer, Boundary layer control. Airfoils- Lift, drag, circulation, pressure distribution-theory of thin aerofoils, wings of infinite and finite span, circulation distribution, Cavitation.

** Vorticity and Kelvin’s theorem, Potential flow theory, Sources, Sinks and Doublets, hydrodynamic forces in potential flow, D’Alembert’s paradox, added-mass, slender-body theory, hydrodynamic model testing, scaling laws, application of potential theory to surface waves, energy transport, wave/body forces, linearised theory of lifting surfaces.

** Download Full GATE Naval Architecture and Marine Engineering (NM) Syllabus Here **:

http://www.syllabus.gen.in/uploads/pdf2022/3097.pdf