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).
