# Introduction To Interfacial Waves

- Institution: IIT Bombay
- Department: Chemical Engineering
- Teacher: Prof. Ratul Dasgupta
- Level: Undergraduate
- Language: English
- Subjects: Chemistry, Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/103101209)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/103101209)
- 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: Introduction](https://invisiblenetwork.ai/learn/nptel/103101209/229db915da4d) (Video)
2. [Lecture 2: Coupled, linear, spring-mass systems](https://invisiblenetwork.ai/learn/nptel/103101209/982b3c5f1804) (Video)
3. [Lecture 3: Coupled, linear, spring-mass systems (contd..)](https://invisiblenetwork.ai/learn/nptel/103101209/a851f5bd7019) (Video)
4. [Lecture 4: Coupled, linear, spring-mass systems (contd..)](https://invisiblenetwork.ai/learn/nptel/103101209/78f1ce4ddcd5) (Video)
5. [Lecture 5: Coupled, linear, spring-mass system: continuum limit](https://invisiblenetwork.ai/learn/nptel/103101209/54e0ec9ab633) (Video)
6. [Lecture 6: Normal modes of a string fixed at both ends](https://invisiblenetwork.ai/learn/nptel/103101209/0c6ded231cd6) (Video)
7. [Lecture 7: Vibrations of clamped membranes](https://invisiblenetwork.ai/learn/nptel/103101209/3190e0ad694c) (Video)
8. [Lecture 8: Vibrations of clamped membranes (contd.)](https://invisiblenetwork.ai/learn/nptel/103101209/74879773c999) (Video)
9. [Lecture 9: Introduction to Jacobian elliptic functions](https://invisiblenetwork.ai/learn/nptel/103101209/d66ec4938acf) (Video)
10. [Lecture 10: The non-linear pendulum](https://invisiblenetwork.ai/learn/nptel/103101209/a654fba5eafe) (Video)
11. [Lecture 11: The non-linear pendulum (contd..)](https://invisiblenetwork.ai/learn/nptel/103101209/212c52643d35) (Video)
12. [Lecture 12: Time period of the non-linear pendulum](https://invisiblenetwork.ai/learn/nptel/103101209/d78c9613b4f5) (Video)
13. [Lecture 13: Introduction to perturbation methods](https://invisiblenetwork.ai/learn/nptel/103101209/b9b82d4c47d6) (Video)
14. [Lecture 14: Perturbation methods (contd.)](https://invisiblenetwork.ai/learn/nptel/103101209/f4d00dcf0a09) (Video)
15. [Lecture 15: Non-dimensionalisation](https://invisiblenetwork.ai/learn/nptel/103101209/b57f4ac664b5) (Video)
16. [Lecture 16: Perturbative solution to the projectile equation](https://invisiblenetwork.ai/learn/nptel/103101209/566a261b824a) (Video)
17. [Lecture 17: Perturbative solution to the nonlinear pendulum](https://invisiblenetwork.ai/learn/nptel/103101209/c0a767582712) (Video)
18. [Lecture 18: Lindstedt-Poincare technique](https://invisiblenetwork.ai/learn/nptel/103101209/2cb8c4080b71) (Video)
19. [Lecture 19: Method of multiple scales](https://invisiblenetwork.ai/learn/nptel/103101209/1f99605c8a90) (Video)
20. [Lecture 20: Method of multiple scales (contd..)](https://invisiblenetwork.ai/learn/nptel/103101209/2977281a3a80) (Video)
21. [Lecture 21: Multiple scale analysis for damped-harmonic oscillator](https://invisiblenetwork.ai/learn/nptel/103101209/4b49b644ca24) (Video)
22. [Lecture 22: Duffing equation using multiple scales](https://invisiblenetwork.ai/learn/nptel/103101209/b0c505115181) (Video)
23. [Lecture 23: Duffing equation (contd..)](https://invisiblenetwork.ai/learn/nptel/103101209/8d3b128424eb) (Video)
24. [Lecture 24: Kapitza pendulum](https://invisiblenetwork.ai/learn/nptel/103101209/3e8aeecb2de6) (Video)
25. [Lecture 25: Introduction to Floquet theory](https://invisiblenetwork.ai/learn/nptel/103101209/43eff1bcde8d) (Video)
26. [Lecture 26: Floquet theorem (contd..)](https://invisiblenetwork.ai/learn/nptel/103101209/b758b61bec24) (Video)
27. [Lecture 27: Floquet analysis of the Mathieu equation](https://invisiblenetwork.ai/learn/nptel/103101209/947502af914b) (Video)
28. [Lecture 28: Introduction to waves on an interface](https://invisiblenetwork.ai/learn/nptel/103101209/0212d65c7ade) (Video)
29. [Lecture 29: Linearized wave equations in deep water](https://invisiblenetwork.ai/learn/nptel/103101209/da16ee77c642) (Video)
30. [Lecture 30: Linearized wave equations in deep water: dispersion relation](https://invisiblenetwork.ai/learn/nptel/103101209/75af164aefb0) (Video)
31. [Lecture 31](https://invisiblenetwork.ai/learn/nptel/103101209/048dfe8181b0) (Video)
32. [Lecture 32](https://invisiblenetwork.ai/learn/nptel/103101209/7286e4245e7c) (Video)
33. [Lecture 33](https://invisiblenetwork.ai/learn/nptel/103101209/98533f3369f8) (Video)
34. [Lecture 34](https://invisiblenetwork.ai/learn/nptel/103101209/2ebd1b1206ef) (Video)
35. [Lecture 35](https://invisiblenetwork.ai/learn/nptel/103101209/735057b1e926) (Video)
36. [Lecture 36: Cauchy-Poisson problem in cylindrical geometry (contd..)](https://invisiblenetwork.ai/learn/nptel/103101209/66b60e1588d4) (Video)
37. [Lecture 37: Group-velocity and the Cauchy-Poisson problem](https://invisiblenetwork.ai/learn/nptel/103101209/96626f618f6d) (Video)
38. [Lecture 38: Cauchy-Poisson problem for delta function initial condition](https://invisiblenetwork.ai/learn/nptel/103101209/4f03d87154eb) (Video)
39. [Lecture 39: Cauchy-Poisson problem for delta function initial condition (contd..)](https://invisiblenetwork.ai/learn/nptel/103101209/34272c34d5ed) (Video)
40. [Lecture 40: Capillary-gravity waves](https://invisiblenetwork.ai/learn/nptel/103101209/efc023649aa3) (Video)
41. [Lecture 41: Waves on a pool of finite depth](https://invisiblenetwork.ai/learn/nptel/103101209/415e4ebdb8bb) (Video)
42. [Lecture 42: Axisymmetric Cauchy-Poisson problem visualisation: the pebble in the deep pond problem](https://invisiblenetwork.ai/learn/nptel/103101209/635978df7ca8) (Video)
43. [Lecture 43: Rayleigh-Plateau capillary instability](https://invisiblenetwork.ai/learn/nptel/103101209/14c9b8ccde64) (Video)
44. [Lecture 44: Rayleigh-Plateau capillary instability (contd..)](https://invisiblenetwork.ai/learn/nptel/103101209/f8d85f0b0535) (Video)
45. [Lecture 45: Rayleigh-Plateau capillary instability on thin film coating a rod](https://invisiblenetwork.ai/learn/nptel/103101209/d502c5bd1a1e) (Video)
46. [Lecture 46: Rayleigh-Plateau capillary instability of a cylindrical air column in a liquid](https://invisiblenetwork.ai/learn/nptel/103101209/6b399f1acf22) (Video)
47. [Lecture 47: Mechanism of the Rayleigh-Plateau instability](https://invisiblenetwork.ai/learn/nptel/103101209/87e9f3ab623c) (Video)
48. [Lecture 48: Shape oscillations of a spherical interface](https://invisiblenetwork.ai/learn/nptel/103101209/334c2626f981) (Video)
49. [Lecture 49: Shape oscillations of a spherical interface (contd..)](https://invisiblenetwork.ai/learn/nptel/103101209/b168fc13c8b1) (Video)
50. [Lecture 50: Shape oscillations of a spherical interface (contd..)](https://invisiblenetwork.ai/learn/nptel/103101209/bbb9c2e9fb0d) (Video)
51. [Lecture 51: Analysis of l=0 and l=1 modes for a spherical drop](https://invisiblenetwork.ai/learn/nptel/103101209/7df72ac56e2a) (Video)
52. [Lecture 52: Faraday waves on an interface - stability of time dependent base states](https://invisiblenetwork.ai/learn/nptel/103101209/6bccf5208546) (Video)
53. [Lecture 53: Mathieu equation for Faraday waves](https://invisiblenetwork.ai/learn/nptel/103101209/b0fb9550a670) (Video)
54. [Lecture 54: Applications of Faraday waves - atomisation & spray formation](https://invisiblenetwork.ai/learn/nptel/103101209/d2e92542cc8a) (Video)
55. [Lecture 55: Waves and instability on density stratified shear flows - the KH model](https://invisiblenetwork.ai/learn/nptel/103101209/e81f4a60c0b5) (Video)
56. [Lecture 56: Limits of KH dispersion relation: Rayleigh-Taylor instability](https://invisiblenetwork.ai/learn/nptel/103101209/abc9ca579986) (Video)
57. [Lecture 57: KH dispersion relation : model of wind wave generation](https://invisiblenetwork.ai/learn/nptel/103101209/908c0c020383) (Video)
58. [Lecture 58: Helmholtz instability of a vortex sheet and summary](https://invisiblenetwork.ai/learn/nptel/103101209/ebc8e2708bd0) (Video)
59. [Lecture 59: Derivation of the Stokes travelling wave](https://invisiblenetwork.ai/learn/nptel/103101209/f339c7923592) (Video)
60. [Lecture 60: Derivation of the Stokes travelling wave (contd..)](https://invisiblenetwork.ai/learn/nptel/103101209/ad5cb7cf0c85) (Video)
61. [Lecture 61: Derivation of the Stokes travelling wave (contd..)](https://invisiblenetwork.ai/learn/nptel/103101209/b2c0f3ac53ba) (Video)
62. [Live Session 21-10-2021](https://invisiblenetwork.ai/learn/nptel/103101209/229db915da4d-2) (Video)