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Combination matrix

The Combination matrix tab includes a data box to specify the number of combined environments included in the Environments Set, and a table used to define all associated components.

The arrows in the Number of environments edit box allows adding or removing rows from the table.

The number of combined environments can be input using your keyboard. Press the ENTER key to confirm the number of combined environment and let the user interface generate the data table. The number of rows in the table corresponds to the number of combined environments.

Note

The content of the combination matrix table can be copied/pasted to or from Excel by using CTRL+C and CTRL+V keys. Import of data from Excel requires that the names of the individual environment set items used in your Excel file match the names used in the Environment Set component. The whole content of the table may be selected by clicking any cell in the table and further pressing the CTRL+A keys. This allows straightforward input of data to setup the combination matrix. You can also use the Export to Excel and Import from Excel buttons located in the upper part of the tab to export/import the whole content of the table in/from an Excel file.

The columns headers located in the first fixed row of the table are as follows:

  • Name: the associated column is used to select the names of the environments.

    Note

    Names of the combined environments will be used as suffixes in the names of the individual analyses included in the Analysis set that is based on the Environment set. It is recommended that you set clear and understandable names to easily identify the content of each load case through the name of the analysis. It is also recommended to include figures (i.e. 1, 2, 3, etc) in the names of the combined environments. This will help referring to the load case through identification numbers in addition to more detailed names.

  • Main Swell: the associated column is used to select the names of the swell components present in the combined environments. All swell components must have been previously defined within the Main Swell tab.

  • Secondary Swell: the associated column is used to select the names of the swell components present in the combined environments. All swell components must have been previously defined within the Secondary Swell tab.

  • Local sea: the associated column is used to select the names of the local seas components present in the combined environments. All local seas components must have been previously defined within the Local Sea tab.

  • Wind: the associated column is used to select the names of the wind components present in the combined environments. All wind components must have been previously defined within the Wind tab.

  • Current: the associated column is used to select the names of the current components present in the combined environments. All current components must have been previously defined within the Current tab.

  • Offset: the associated column(s) is (are) used to select the names of the offsets components included in the combined environments. The number of columns can be set greater than 1 (i.e. number of floater components greater than 1) within the General tab. This allows accounting for several floaters to be included in the same combined loading item. All offset components must have been previously defined within the Offset tab.

  • LF motion: the associated column(s) is (are) used to select the names of the prescribed low frequency motion components included in the combined environments. The number of columns can be set greater than 1 (i.e. number of floater components greater than 1) within the General tab. This allows accounting for several floaters to be included in the same combined loading item. All prescribed low frequency motion components must have been previously defined within the LF Motion tab.

  • Floater motion: the associated column(s) is (are) used to select the names of the floater motion components included in the combined environments. The number of columns can be set greater than 1 (i.e. number of floater components greater than 1) within the General tab. This allows accounting for several floaters to be included in the same combined loading item. All prescribed floater motion components must have been previously defined within the Floater motion tab.

  • QS Motion: the associated column(s) is (are) used to select the names of the prescribed quasi-static motion components present in the combined environments. The number of columns can be set greater than 1 within the General tab. This allows accounting for several QS motion components to be included in the same combined loading item. All prescribed quasi-static motion components must have been previously defined within the QS Motion tab.

  • Dynamic Motion: the associated column(s) is (are) used to select the names of the prescribed dynamic motion components present in the combined environments. The number of columns can be set greater than 1 within the General tab. This allows accounting for several dynamic motion components to be included in the same combined loading item. All prescribed dynamic motion components must have been previously defined within the Dynamic Motion tab.

  • QS Load: the associated column(s) is (are) used to select the names of the prescribed quasi-static loading components present in the combined environments. The number of columns can be set greater than 1 within the General tab. This allows accounting for several QS loading components to be included in the same combined loading item. All prescribed quasi-static loading components must have been previously defined within the QS Load tab.

  • Dynamic Motion: the associated column(s) is (are) used to select the names of the prescribed dynamic loading components present in the combined environments. The number of columns can be set greater than 1 within the General tab. This allows accounting for several dynamic loading components to be included in the same combined loading item. All prescribed dynamic loading components must have been previously defined within the Dynamic Load tab.

  • Turbine: the associated column(s) is (are) used to select the names of the turbine components included in the combined environments. All wind turbines components must have been previously defined within the Turbines tab.

  • UserDefinedKeyword: the associated column(s) is (are) used to select the names of the UserDefinedKeyword components included in the combined environments. All UserDefinedKeyword components must have been previously defined within the UserDefinedKeywords tab. The User defined keyword section explains how to fill the tab.

The names are defined by the user. However, default names are proposed when adding one row to the grid, as follows: EnvSet_1, EnvSet_2, etc.

The content of the whole grid is available for multi-cells selection and available for copy/paste operation to transfer data using Excel

When clicking on a cell, the drop down list displays all the names of the associated individual components plus an item labeled - meaning empty. For instance, the contents of the list displayed when pressing any cell in the Swells column must be the list of existing swell names defined in the Swells tab, plus -.

An example of Combination matrix tab is presented below: