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According to the by hand calculation, both Global and Advanced checks fail.

D-FLOW SLIDE results

In D-Flow Slide,  the standard deviation cot(gamma) is a fixed value (1.59).

By lack of information, the following values are chosen:

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According to the by hand calculation, both Global and Advanced checks pass.

D-FLOW SLIDE results

By lack of information, the following values are chosen:

  • A state parameter (for Global step 5 and Detailed checks) of -0.06
  • A critical retrogression length of 1 m
  • a migration velocity foreshore of 10 mm/year
  • For the state parameter per layer, a value of -0.04 is used for sand layers and -0.06 for the other layers.

 

D-FLOW SLIDE results are in accordance with the results by hand as show in the table below.

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