As a slight aside, if anyone is interested in the topic the 'standard' introductory text is apparently 'Principles of Yacht Design' by Larsson and Eliasson. In

As a slight aside, if anyone is interested in the topic the 'standard' introductory text is apparently 'Principles of Yacht Design' by Larsson and Eliasson. In particular, including a chapter on stability calculations. You can find an older edition freely available on archive.org.