Five questions to be attempted, selecting at least two questions from each section.

Section-I (4/9)

Elasticity

•    Analysis of stress and strain

•    Generalized  Hook’s law

•    Differential equations of equilibrium in terms of stress and in terms of displacements

•    Boundary conditions

•    Compatibility equations

•    Plane stress, Plane strain, Stress functions

•    Two-dimensional problems in rectangular and polar co-ordinates

•    Torsion problems



Section-II (5/9)

Elastodynamics

•    Equations of wave propagation in elastic solids

•    Primary and secondary waves

•    Reflection and transmission at plane boundaries

•    Surface wave: Love waves and Raleigh waves

•    Dispersion relations

•    Geophysical applications