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Indian Institute of Science Bangalore

Sound and Structural Vibration

Indian Institute of Science Bangalore and NPTEL via Swayam


About the Course:The course teaches how vibrating structures radiate sound. The student intending to take the course must have a good background in vibrations of continuous systems (like plates and shells) and acoustics. The course involves mathematical derivations and physical explanations. The material and homeworks will involve solving problems from current journal papers.INTENDED AUDIENCE: PhD students onlyPREREQUISITES: A fundamental course in acoustics and a course in vibrations of continuous systems are definite pre-requisites.INDUSTRY SUPPORT: Automobile, refrigeration and air-conditioning, all types of manufacturing industries, ship and submarine building companies, aircraft industry, washing machine industry.


Week 1: Introduction to WavesWeek 2: The coupled roots and the physicsWeek 3: The coupled sound and vibration fieldWeek 4: The 2-D structural-acoustic waveguideWeek 5: Closed form derivations of coupled wavesWeek 6: Vibrating rectangular plate backed by a cavityWeek 7: Sound radiation from a rectangular plate set in a baffle.Week 8: Sound radiation from a baffled plate contd.Week 9: Radiation resistance defined by MaidanikWeek 10: Transmission of sound through vibrating plates
Week 11:Structural acoustics in cylindrical geometry
Week 12:Fluid loading phenomenon in structural acoustics

Taught by

Prof. Venkata R. Sonti

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