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Mechanical Engineering
NOC:Sound and Structural Vibration (Video)
Syllabus
Co-ordinated by :
IISc Bangalore
Available from :
2021-10-28
Lec :
1
Modules / Lectures
Intro Video
week-01
Lecture 1: The longitudinal wave in vibrating spring
Lecture 2: Harmonically excited systems
Lecture 3: The concept of coincidence frequency
Lecture 4: A classical problem in sound-structure interaction
Lecture 5: Classical problem contd.
week-02
Lecture 6: Uncoupled solution to the classical problem
Lecture 7: Uncoupled solution continued.
Lecture 8: Introduction to the coupled problem.
Lecture 9: The coupled roots.
Lecture10: Physical meaning of terms.
week-03
Lecture 11: Derivation of coupled roots using asymptotic method.
Lecture 12: Coupled roots derivation continued
Lecture 13: Regions of heavy and light fluid loading
Lecture 14: Light and heavy fluid loading continued.
Lecture 15: The coupled vibration field
week-04
Lecture 16: The coupled acoustic field and stationary phase
Lecture 17: The 2-D structural-acoustic waveguide
Lecture 18: The coupled partial differential equations
Lecture 19: Derivation of the coupled dispersion equation
Lecture 20: A schematic of coupled waves
week-05
Lecture 21: Derivation of coupled waves using asymptotic method
Lecture 22: Asymptotic method continued and Maple demo
Lecture 23: Physics of the coupled waves
Lecture 24: Critical points
Lecture 25: Heavy fluid loading
week-06
Lecture 26: Summary of the rectangular waveguide
Lecture 27: Impedance and mobility.
Lecture 28: Derivation of acoustic and vibration response
Lecture 29: Derivation of vibro-acoustic response continued
Lecture 30: Derivation of vibro-acoustic response continued
week-07
Lecture 31: Numerical example
Lecture 32: Coupled resonance analysis using matrices
Lecture 33: Coupled resonance analysis continued
Lecture 34: Sound radiation from a baffled panel
Lecture 35: Derivation of pressure response.
week-08
Lecture 36: Radiation efficiency
Lecture 37: Physics of volume velocity cancellation
Lecture 38: Derivations in the frequency domain :1-D
Lecture 39: Physics of the vibration spectrum in 2-D
Lecture 40: Modal character across the frequency range
week-09
Lecture 41: Simultaneous radiation from several modes
Lecture 42: Panel radiation model using monopoles
Lecture 43: Physics of panel radiation using monopole model
Lecture 44: Physics of panel radiation using monopole model, contd
Lecture 46: Radiation resistance derivation from Maidanik’s work, contd.
week-10
Lecture 46: Radiation resistance derivation from Maidanik’s work, contd.
Lecture 47: Radiation resistance derivation from Maidanik’s work, contd
Lecture 48: Modal average radiation efficiency
Lecture 49: Modal average radiation efficiency contd
Lecture 50: Transmission of sound through a rigid panel with flexible mounts
week-11
Lecture 51: Frequency dependence of sound transmission
Lecture 52: Sound transmission through a flexible partition
Lecture 53: Transmission loss in different situations
Lecture 54: Cylindrical shell vibration
Lecture 55: Behavior of uncoupled shell waves
week-12
Lecture 56: Fluid waves in rigid-walled cylindrical shells
Lec57:Wave propagation characteristics in flexible cylindrical shells carrying fluid: Fuller’s paper
Lecture 58: Wave impedance of an infinite plate: fluid loading
Lecture 59: Fluid loading in a finite plate
Lecture 60: Summary of the entire course.
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Chapter Name
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1
Lecture 1: The longitudinal wave in vibrating spring
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2
Lecture 2: Harmonically excited systems
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3
Lecture 3: The concept of coincidence frequency
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4
Lecture 4: A classical problem in sound-structure interaction
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5
Lecture 5: Classical problem contd.
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6
Lecture 6: Uncoupled solution to the classical problem
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7
Lecture 7: Uncoupled solution continued.
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8
Lecture 8: Introduction to the coupled problem.
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9
Lecture 9: The coupled roots.
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10
Lecture10: Physical meaning of terms.
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