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GGU-DRAWDOWN: Excavations bounded by polygons

The procedure for excavations bounded by polygons is analogous to the above explanations concerning rectangular excavations.

The only difference is in the calculation of the substitute radius. As a length and a width cannot always be defined, the only possibility is to define the substitute radius from the area A of the polygon which surrounds the wells (dashed line in the above figure).

Alternatively, you can also define a fixed value for ARE.

When arranging the wells, they need not be at the well boundary. However, the program always calculates the substitute radius from the area surrounded by the dashed line.

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