Part of the contribution to vessel inertia load from added mass was included in the simulation twice. Vessel manoeuvring load has been changed to exclude a contribution that was previously double-counted. OrcaFlex also has the unique capability in its class to be used as a library, allowing a host of automation possibilities and ready integration into 3 rd party software. OrcaFlex is the world’s leading package for the dynamic analysis of offshore marine systems, renowned for its breadth of technical capability and user friendliness.