This object may be used to input frequency independent additional added mass in global directions using tabular input. Only one definition of Additional Added Mass per structure can be active or not suppressed for the analysis and the values are added to those calculated automatically during the analysis.
To add Additional Added Mass:
Select a Part in the tree view.
Right-click the part and select , or click the Hydrodynamic Properties icon in the Parts toolbar and select Additional Added Mass from the dropdown menu.
Matrix Definition Data can be entered manually, can be copied and pasted from an external source (for example, an Excel spreadsheet), or can be imported from a comma-separated values (.CSV) file using the Import CSV File option. For the Import CSV File option, the file must meet the following requirements:
Has the .CSV extension.
Contains values separated by commas, tabs, or single spaces (not multiple spaces).
Contains exactly 6 columns and 6 rows.
The unit system of the data in the .CSV file is assumed to match the display unit system of the project. However, the imported data can be modified by setting the Length Unit for Imported Data, Mass Unit for Imported Data, and Rotation Unit for Imported Data to the required unit system.