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Benchmark

D-FLOW SLIDE

Relative error

Step 1a:

Would flow slide lead to damage on levee?

Marge [m]

Slope [1:xxx]

Assessment level [m + NAP]

 

Yes

27.280

15.000

-10.453

 

Yes

27.280

15.000

-10.453

 

OK

0.00 %

0.00 %

0.00 %

Step 1c: Artificially underwater installed and non-compacted sandy foreshore?NoNoOK

Step 1d:

Flow slide possible based on criteria "steepest slope aver 5m" ?

Average slope over a height of at least 5 m [1:xxx]

 

No

6.596

 

No

6.596

 

OK

0.02 %

Step 1e:

Flow slide possible based on average geometry only?

Total inclination of the channel slope [1:xxx]

Is breaching possible?

 

No

6.600

No

 

No

6.600

No

 

OK

0.00 %

OK

Result of the Global check

Pass

Pass

OK

Fictive channel depth Hr [m]19.03819.0380.00 %
Fictive slope cotan αr10.50010.5000.00 % 
Max. allowable retrogression length Lallowable [m]60600.00 %
Probability of preventing a liquefaction P(ZV) [/year] 5.80 × 10-45.80 × 10-40.00 %
Reliability index β-139.285999-
P(L > Lallowable) [/year] 9.95 × 10-2009.95 × 10-20.00 %
Probability of flood damage by liquefaction P(falen|ZV) [/year]5.77 × 10-5005.77 × 10-50.00 %

 

Results of benchmark 3-1 for case I:

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