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Course

# Hydrostatics and Stability

Indian Institute of Technology Kharagpur

This is the first course for Naval Architecture students in 'Hydrostatics and Stability'. This course covers the basic principles of stability, starting from the Archimedes principle and going deeper into the conditions for stability of a vessel.

Study of metacentric height and radius gives an insight into Naval Architectural stability problem. A thorough study of the various weight shiftings which give rise to various forms of heeling are investigated. Conditions of free-surface effect and inclining experiment are studied.

This is followed by stability of the ship at larger angles of heel under various turning moments. The course then discusses about the various conditions of damaged stability, dry docking and launching calculations. A demonstration of the software 'SPAN' which performs these hydrostatic calculations will be demonstrated.

Course contents: Hull form definition of ships and ocean structures; Deadweight, capacity and tonnage measurement; Numerical Integration, Hydrostatic calculations; Hydrostatic curves, Initial stability, free surface effects, stability at large angles; Intact and damaged stability computations; IMO stability criteria; Damaged stability and its calculation by lost buoyancy and added weight methods; Subdivision and floodable length calculations; Launching and dry docking calculations; Stability of fully submerged body; Stability of multibody systems; Pressure integration technique of computing hydrostatic and stability.

Course topics:

1. Introduction
2. Archimedes principle
3. Hydrostatics
4. Numerical Integration
5. Free surface effect
6. Hydrostatic curves
7. Stability at large angles of heel
8. Dynamic stability
9. Weight and trim calculations
10. Intact Stability Regulations
11. Parametric resonance
12. Flooding and damaged stability
13. Dry docking
14. Longitudinal stability
15. Bending moment, shear force
16. Response in waves
17. Turning stability
18. Computer methods
Home > Engineering > Ocean Engineering > Hydrostatics and StabilityLectures:
• ### Mod-01 Lec-01 Introduction

00:51:47Dr. Hari V. Warrior
• ### Mod-01 Lec-02 Archimedes Principle

00:52:06Dr. Hari V. Warrior
• ### Mod-01 Lec-03 Archimedes Principle (Contd.)

00:51:31Dr. Hari V. Warrior
• ### Mod-01 Lec-04 Numerical Integration

00:51:44Dr. Hari V. Warrior
• ### Mod-01 Lec-05 Problems in Stability - I

00:54:42Dr. Hari V. Warrior
• ### Mod-01 Lec-06 Problems in Stability - II

00:54:18Dr. Hari V. Warrior
• ### Mod-01 Lec-07 Problems in Stability - III

00:54:43Dr. Hari V. Warrior
• ### Mod-01 Lec-08 Problems in Integration

00:56:43Dr. Hari V. Warrior
• ### Mod-01 Lec-09 Free Surface Effect

00:54:57Dr. Hari V. Warrior
• ### Mod-01 Lec-10 Inclining Experiment

00:54:04Dr. Hari V. Warrior
• ### Mod-01 Lec-11 Hydrostatic Curves - I

00:55:16Dr. Hari V. Warrior
• ### Mod-01 Lec-12 Hydrostatic Curves - II

00:51:15Dr. Hari V. Warrior
• ### Mod-01 Lec-13 Stability Curve

00:56:27Dr. Hari V. Warrior
• ### Mod-01 Lec-14 Dynamical Stability - I

00:53:56Dr. Hari V. Warrior
• ### Mod-01 Lec-15 Dynamical Stability - II

00:55:14Dr. Hari V. Warrior
• ### Mod-01 Lec-16 Healing Moment - I

00:55:50Dr. Hari V. Warrior
• ### Mod-01 Lec-17 Healing Moment - II

00:45:40Dr. Hari V. Warrior
• ### Mod-01 Lec-18 Healing Moment - III

00:55:02Dr. Hari V. Warrior
• ### Mod-01 Lec-19 Dynamical Stability - III

00:53:29Dr. Hari V. Warrior
• ### Mod-01 Lec-20 Discussion

00:54:37Dr. Hari V. Warrior
• ### Mod-01 Lec-21 Righting Stability - I

00:53:05Dr. Hari V. Warrior
• ### Mod-01 Lec-22 Righting Stability - II

00:55:20Dr. Hari V. Warrior
• ### Mod-01 Lec-23 Trim Calculations - I

00:53:26Dr. Hari V. Warrior
• ### Mod-01 Lec-24 Trim Calculations - II

00:56:01Dr. Hari V. Warrior
• ### Mod-01 Lec-25 Trim Stability -I

00:53:45Dr. Hari V. Warrior
• ### Mod-01 Lec-26 Trim Stability - II

00:53:45Dr. Hari V. Warrior
• ### Mod-01 Lec-27 Dry Docking - I

00:54:20Dr. Hari V. Warrior
• ### Mod-01 Lec-28 Dry Docking - II

00:53:47Dr. Hari V. Warrior
• ### Mod-01 Lec-29 Bilging - I

00:54:32Dr. Hari V. Warrior
• ### Mod-01 Lec-30 Bilging - II

00:53:06Dr. Hari V. Warrior
• ### Mod-01 Lec-31 Bilging - III

00:56:30Dr. Hari V. Warrior
• ### Mod-01 Lec-32 Bilging - IV

00:55:41Dr. Hari V. Warrior
• ### Mod-01 Lec-33 Safety Regulations

00:55:23Dr. Hari V. Warrior
• ### Mod-01 Lec-34 Safety Regulations (Contd.)

00:54:58Dr. Hari V. Warrior
• ### Mod-01 Lec-35 Safety Regulations ( Contd.)

00:55:42Dr. Hari V. Warrior
• ### Mod-01 Lec-36 Ship Stability on Waves

00:53:33Dr. Hari V. Warrior
• ### Mod-01 Lec-37 Ship Stability on Waves (Contd.)

00:54:38Dr. Hari V. Warrior
• ### Mod-01 Lec-38 Ship Stability on Waves ( Contd.)

00:54:37Dr. Hari V. Warrior
• ### Mod-01 Lec-39 Wave Theory

00:56:14Dr. Hari V. Warrior
• ### Mod-01 Lec-40 Conclusion

00:53:49Dr. Hari V. Warrior
Course Material: