GGU-ELASTIC: Button "Irregular"
In contrast to the regular array procedure, where the generated nodes are evenly spaced within the generated rows, the spacing can be varied using the irregular array. This can be done in the following dialog box.

The array numbers can be defined using the "No. of dx values" and "No. of dy values" buttons. Enter the array spacing in "dx" and "dy". If you press the "Recalculate x and y values" button the first column to the left of "dx" and "dy" are recalculated. These are absolute values for the array. To determine these absolute values, the program uses the array origins, which you specify using "x0" and "y0".
The program can generate an FEM mesh from the newly generated FEM nodes if the "Generate new mesh" check box is activated. If a mesh already exists, it can be deleted prior to generating the new one by activating the "Delete current mesh" check box.