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Lecture Notes

TOPIC NOTES

Chapter 1 : SAMPLE WAVE PROBLEMS

  • Transverse vibration of a taut string
  • Longitudinal vibration of an elastic rod
  • Traffic flow on a freeway
  • Wave propagation in arteries
  • Shallow water waves and linearization
  • Sound in fluids
  • Flexural waves in a beam on an elastic foundation
  • Homework No. 1
(PDF)

Chapter 2 : ONE DIMENSIONAL WAVES

  • General solution to wave equation
  • Branching of arteries
  • Waves in an infinite domain due to initial disturbances
  • Reflection of shallow water waves from a cliff
  • Forced waves in an infinite domain
  • String embedded in an elastic surrounding
  • Dispersion from a localized initial disturbance
  • Scattering of sinusoidal waves
  • General identities in scattering by arbitrary in homogeneities
  • Refraction in a slowly varying medium
(PDF)

Chapter 3 : TWO DIMENSIONAL WAVES

  • Reflection and transmission of sound at an interface
  • Equations for elastic waves
  • Free waves in infinite space
  • Elastic wave sin a plane
  • Reflection of elastic waves from a plane boundary
  • Scattering of monochromatic SH waves
  • Diffraction of SH wave by a long crack
  • Rayleigh surface waves
  • Elastic waves due to a load traveling on the ground
    surface
  • Partial wave expansion
  • Approximate evaluation of an integral
(PDF)

Chapter 4 : WAVES IN WATER

  • Governing equations for waves on the sea surface
  • Progressive waves on a sea of constant depth
  • Wave resistance of a two-dimensional obstacle
  • Narrow-banded dispersive waves in general
  • Radiation of surface waves forced by an oscillating pressure
  • The Kelvin pattern of ship wave
  • Basic theory for two-dimensional Internal waves in a stratified fluid
  • Internal waves modes for finite N
  • Internal waves in a vertically unbounded fluid
  • Reflection of internal waves at boundary
(PDF)

Chapter 5 : MISCELLANEOUS TOPIC

  • Wave localization in a random medium
  • References
(PDF)
 
ADDITIONAL MATERIALS NOTES

Chapter 6: FORCED DISPERSIVE WAVES ALONG A NARROW CHANNEL

  • Free Wave Propagation Along a Narrow Waveguide
  • Forced Wave Propagation Along a Narrow Waveguide
  • Initial Boundary Value Problem
(PDF)

Chapter 7: INTERNAL WAVES IN A STRATIFIED FLUID

  • Introduction
  • Governing Equations for Incompressible Density-stratified Fluid
  • The Buoyancy Frequency (Brunt-Vaisala frequency)
  • Internal Gravity Waves in Unbounded Stratified Fluid
  • Waveguide Behavior
(PDF)