Use the append function to link together two or more previously saved X–Y data objects (collections of ordered pairs) to produce a new X–Y data object. The new X–Y data object contains the data objects you specify concatenated in the order you specify.
Figure 29–30 shows an X–Y plot created by appending an X–Y data object with Y-values varying from 1 to –1 to an X–Y data object with Y-values varying from 0.5 to –0.5.
To append two or more X–Y data objects:
Locate the Operate on XY Data dialog box.
From the main menu bar, select Tools
XY DataCreate. Click Operate on XY data in the dialog box that appears; then click Continue. The Operate on XY Data dialog box appears.
From the Operators listed, click append(X,X,...).
The append function appears in the expression window.
From the XY Data choices, click the names of the X–Y data objects to append in the order you want ABAQUS to concatenate them and click Add to Expression. You can choose from X–Y data objects previously saved within this session (listed alphabetically in the XY Data field).
The X–Y data object names appear, separated by commas, within the append function parentheses in the expression window.
To continue to build your expression, position the cursor in the expression window and type in or select the functions, operators, and X–Y data you want to include.
To evaluate and display your expression, click Plot Expression.
To save your new X–Y data object, click Save As and then provide a name in the dialog box that appears.
Saving your data object makes it available for future operations within this session and for inclusion in X–Y plots containing multiple data objects.
When you are finished, click Cancel to close the dialog box.
