443-Intact Stability of Surface Ships

By: Kevin M. Kerwin, PE

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Course Objective

This Continuing Education course is written for Professional Engineers and others who are designing, or want to design, successful floating vessels.

Course Description

This is a Spotlight Course of the Week (Expires: 12/20/24)

This course covers the following topics:

What is intact ship stability?
Why are submarines not covered in this class?
Glossary of Useful Terms
Ship Stability Theory
Metacentric Height and VCG
Transverse Stability
Longitudinal Stability
Graphical Representation of Transverse Stability
How is intact stability calculated?
Loll Point Transverse Stability
Graphical Representation of Loll Point Transverse Stability
Graphical Representation of Longitudinal Stability
Roll Periods
Ballast
Internal Forces That Affect Stability
    • Free Surface Effect
    • Passenger Heeling Moments
    • Shifting Cargo

External Forces That Affect Stability

    • Wind Heel
    • Wave Effects-Ordinary Waves and Wakes
    • Grounding
    • End Launching
    • Weights Hanging overboard
    • Ice and Water On Deck
    • Towing Using Cables
    • Currents
Where to find Stability Criteria
Stability Booklet

Questions about this course? Email the Author: knakevin@kerwinnavalarchitects.com

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Course Code: 100298-04

Course PDH Hours: 4

Engineering Course Approvals

This course is accepted for engineering continuing education credit in all US states, territories, the District of Columbia, and Canadian provinces.
Ohio rules allow only 6-hours of unsupervised online courses such as this course per license renewal period
Kansas rules allow only 5-hours of self-study courses such as this course per license renewal period

About Course Approvals