# Sound and Structural Vibration

- Institution: IISc Bangalore
- Department: Mechanical Engineering
- Teacher: Prof. Venkata R. Sonti
- Level: Undergraduate
- Language: English
- Subjects: Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/112108308)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/112108308)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Lecture 1: The longitudinal wave in vibrating spring](https://invisiblenetwork.ai/learn/nptel/112108308/881cbf504d44) (Video)
2. [Lecture 2: Harmonically excited systems](https://invisiblenetwork.ai/learn/nptel/112108308/27cf6e134e8d) (Video)
3. [Lecture 3: The concept of coincidence frequency](https://invisiblenetwork.ai/learn/nptel/112108308/d890962d851a) (Video)
4. [Lecture 4: A classical problem in sound-structure interaction](https://invisiblenetwork.ai/learn/nptel/112108308/99501a5965bb) (Video)
5. [Lecture 5: Classical problem contd.](https://invisiblenetwork.ai/learn/nptel/112108308/47e79432aa35) (Video)
6. [Lecture 6: Uncoupled solution to the classical problem](https://invisiblenetwork.ai/learn/nptel/112108308/2040c488ea72) (Video)
7. [Lecture 7: Uncoupled solution continued.](https://invisiblenetwork.ai/learn/nptel/112108308/4b0eef1922d7) (Video)
8. [Lecture 8: Introduction to the coupled problem.](https://invisiblenetwork.ai/learn/nptel/112108308/e92a803dea4f) (Video)
9. [Lecture 9: The coupled roots.](https://invisiblenetwork.ai/learn/nptel/112108308/75c59662124c) (Video)
10. [Lecture10: Physical meaning of terms.](https://invisiblenetwork.ai/learn/nptel/112108308/d82727d4ffb9) (Video)
11. [Lecture 11: Derivation of coupled roots using asymptotic method.](https://invisiblenetwork.ai/learn/nptel/112108308/f5ce704f1abd) (Video)
12. [Lecture 12: Coupled roots derivation continued](https://invisiblenetwork.ai/learn/nptel/112108308/de0a0530670f) (Video)
13. [Lecture 13: Regions of heavy and light fluid loading](https://invisiblenetwork.ai/learn/nptel/112108308/2334e229b521) (Video)
14. [Lecture 14: Light and heavy fluid loading continued.](https://invisiblenetwork.ai/learn/nptel/112108308/aead961a5217) (Video)
15. [Lecture 15: The coupled vibration field](https://invisiblenetwork.ai/learn/nptel/112108308/e3d04bc4b115) (Video)
16. [Lecture 16: The coupled acoustic field and stationary phase](https://invisiblenetwork.ai/learn/nptel/112108308/2e507569b746) (Video)
17. [Lecture 17: The 2-D structural-acoustic waveguide](https://invisiblenetwork.ai/learn/nptel/112108308/815accf4b771) (Video)
18. [Lecture 18: The coupled partial differential equations](https://invisiblenetwork.ai/learn/nptel/112108308/c5e2fea3e30f) (Video)
19. [Lecture 19: Derivation of the coupled dispersion equation](https://invisiblenetwork.ai/learn/nptel/112108308/c73fa862c8f4) (Video)
20. [Lecture 20: A schematic of coupled waves](https://invisiblenetwork.ai/learn/nptel/112108308/98de3576063f) (Video)
21. [Lecture 21: Derivation of coupled waves using asymptotic method](https://invisiblenetwork.ai/learn/nptel/112108308/56419883f7da) (Video)
22. [Lecture 22: Asymptotic method continued and Maple demo](https://invisiblenetwork.ai/learn/nptel/112108308/7388aad27662) (Video)
23. [Lecture 23: Physics of the coupled waves](https://invisiblenetwork.ai/learn/nptel/112108308/87a70cd99e31) (Video)
24. [Lecture 24: Critical points](https://invisiblenetwork.ai/learn/nptel/112108308/286d2a1c7001) (Video)
25. [Lecture 25: Heavy fluid loading](https://invisiblenetwork.ai/learn/nptel/112108308/6f2b22731daa) (Video)
26. [Lecture 26: Summary of the rectangular waveguide](https://invisiblenetwork.ai/learn/nptel/112108308/f7096449d5c6) (Video)
27. [Lecture 27: Impedance and mobility.](https://invisiblenetwork.ai/learn/nptel/112108308/042254a714fe) (Video)
28. [Lecture 28: Derivation of acoustic and vibration response](https://invisiblenetwork.ai/learn/nptel/112108308/dfbcd47af7a9) (Video)
29. [Lecture 29: Derivation of vibro-acoustic response continued](https://invisiblenetwork.ai/learn/nptel/112108308/099e30146d47) (Video)
30. [Lecture 30: Derivation of vibro-acoustic response continued](https://invisiblenetwork.ai/learn/nptel/112108308/ce48613d9b57) (Video)
31. [Lecture 31: Numerical example](https://invisiblenetwork.ai/learn/nptel/112108308/5d450075ce60) (Video)
32. [Lecture 32: Coupled resonance analysis using matrices](https://invisiblenetwork.ai/learn/nptel/112108308/d572c423a8d5) (Video)
33. [Lecture 33: Coupled resonance analysis continued](https://invisiblenetwork.ai/learn/nptel/112108308/97fe9b6b2a41) (Video)
34. [Lecture 34: Sound radiation from a baffled panel](https://invisiblenetwork.ai/learn/nptel/112108308/74459ef2c9be) (Video)
35. [Lecture 35: Derivation of pressure response.](https://invisiblenetwork.ai/learn/nptel/112108308/08b7ffebe8cc) (Video)
36. [Lecture 36: Radiation efficiency](https://invisiblenetwork.ai/learn/nptel/112108308/49b53da703d5) (Video)
37. [Lecture 37: Physics of volume velocity cancellation](https://invisiblenetwork.ai/learn/nptel/112108308/642c5b48b826) (Video)
38. [Lecture 38: Derivations in the frequency domain :1-D](https://invisiblenetwork.ai/learn/nptel/112108308/0b9a30a55c92) (Video)
39. [Lecture 39: Physics of the vibration spectrum in 2-D](https://invisiblenetwork.ai/learn/nptel/112108308/2b5d91e721d9) (Video)
40. [Lecture 40: Modal character across the frequency range](https://invisiblenetwork.ai/learn/nptel/112108308/e783b7430a20) (Video)
41. [Lecture 41: Simultaneous radiation from several modes](https://invisiblenetwork.ai/learn/nptel/112108308/efc50f11988f) (Video)
42. [Lecture 42: Panel radiation model using monopoles](https://invisiblenetwork.ai/learn/nptel/112108308/e68751d5bde3) (Video)
43. [Lecture 43: Physics of panel radiation using monopole model](https://invisiblenetwork.ai/learn/nptel/112108308/effdfcfcac25) (Video)
44. [Lecture 44: Physics of panel radiation using monopole model, contd](https://invisiblenetwork.ai/learn/nptel/112108308/536c7df62abe) (Video)
45. [Lecture 45: Radiation resistance derivation from Maidanik’s work](https://invisiblenetwork.ai/learn/nptel/112108308/1adf6ec15299) (Video)
46. [Lecture 46: Radiation resistance derivation from Maidanik’s work, contd.](https://invisiblenetwork.ai/learn/nptel/112108308/df3c4c82af65) (Video)
47. [Lecture 47: Radiation resistance derivation from Maidanik’s work, contd](https://invisiblenetwork.ai/learn/nptel/112108308/2d9e5f6c403c) (Video)
48. [Lecture 48: Modal average radiation efficiency](https://invisiblenetwork.ai/learn/nptel/112108308/f120f1b33282) (Video)
49. [Lecture 49: Modal average radiation efficiency contd](https://invisiblenetwork.ai/learn/nptel/112108308/f7a638b42ad0) (Video)
50. [Lecture 50: Transmission of sound through a rigid panel with flexible mounts](https://invisiblenetwork.ai/learn/nptel/112108308/d805b4f0349c) (Video)
51. [Lecture 51: Frequency dependence of sound transmission](https://invisiblenetwork.ai/learn/nptel/112108308/d9724c17fbcd) (Video)
52. [Lecture 52: Sound transmission through a flexible partition](https://invisiblenetwork.ai/learn/nptel/112108308/724af211d9d3) (Video)
53. [Lecture 53: Transmission loss in different situations](https://invisiblenetwork.ai/learn/nptel/112108308/fd900f72bf4b) (Video)
54. [Lecture 54: Cylindrical shell vibration](https://invisiblenetwork.ai/learn/nptel/112108308/8cb931d54edc) (Video)
55. [Lecture 55: Behavior of uncoupled shell waves](https://invisiblenetwork.ai/learn/nptel/112108308/5116b29d1966) (Video)
56. [Lecture 56: Fluid waves in rigid-walled cylindrical shells](https://invisiblenetwork.ai/learn/nptel/112108308/ff6f79bfe016) (Video)
57. [Lec57:Wave propagation characteristics in flexible cylindrical shells carrying fluid: Fuller’s paper](https://invisiblenetwork.ai/learn/nptel/112108308/bad9afa1e912) (Video)
58. [Lecture 58: Wave impedance of an infinite plate: fluid loading](https://invisiblenetwork.ai/learn/nptel/112108308/18b2016764a4) (Video)
59. [Lecture 59: Fluid loading in a finite plate](https://invisiblenetwork.ai/learn/nptel/112108308/44624b130633) (Video)
60. [Lecture 60: Summary of the entire course.](https://invisiblenetwork.ai/learn/nptel/112108308/b555369e9a17) (Video)
61. [Live Session 25-02-2022](https://invisiblenetwork.ai/learn/nptel/112108308/881cbf504d44-2) (Video)