Pham - Hard Chine Catamaran

This method References 20, like ZIPS is used to find the resistance of hard chine catamarans. However it's big difference is that it uses model data derived from CFD rather than from experimental data for the regression analysis. This has the disadvantage that the inaccuracy of CFD is introduced. However in the future more data may be available from CFD methods and this is an example of how it can be fitted to regression methods.

The following limits apply: