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GGU-ELASTIC: Step 6: Evaluate

First, the results are to be compared to exact solutions. Using the relationships from the "Grundbautaschenbuch (Volume 1; "Stress determination")" the exact values for this case can be analysed.

Table 1 Settlements [cm] for worked example

x [m]

Results

GGU-ELASTIC

exact

Difference

[cm]

Difference

[%]

0.0000

12.6

12.2

0.4

3.3

0.1875

12.5

12.2

0.3

2.5

0.3750

12.4

12.1

0.3

2.5

0.5625

12.2

11.9

0.3

2.5

0.7500

11.9

11.6

0.3

2.6

0.9375

11.4

11.2

0.1

0.9

1.1250

10.8

10.7

0.1

0.1

1.3125

9.8

10.0

-0.2

-2.0

1.5000

8.8

8.8

0.0

0

The results deviate by a maximum of 3.3 % from the exact solution.

If you are interested, as in this case, only in individual values at certain nodes, this can be achieved most simply via the "Evaluation/Individual values" menu item. After selecting this menu item, left-click the required node. The dialog box below shows the result for the first row of Table 1 (foundation centre at x = 0.0 m).

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