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Safety assessment 2015 – test case: execution of the test case and evaluation of the contractor's

A safety assessment is executed around every 6 years in order to evaluate the current status of coastal safety. Since the previous safety assessment (International Marine and Dredging Consultants, 2008), improved knowledge is gained regarding numerical techniques to calculate morphological evolution, wave transformation and wave overtopping. Besides, computational resources have improved significantly (e.g. better computational performance of PC’s and workstations, methods for parallel computation have become available). As a result, the methodology to carry out a safety assessment has been re-evaluated and updated (Suzuki et al., 2016). Prior to the safety assessment of all coastal sections, a test case was commissioned by Coastal Division to check the interpretation of the methodology by the contractor. This test case comprised the execution of the safety assessment for two coastal sections, i.e. 79: a protected dune section and 81: a dike section. Flanders Hydraulics Research was asked to execute this test case concurrently with the contractor, in order to compare the results, which might also differ because of different post processing tools and compiler. This report includes the FHR test case results, and the comparison with those of the contractor.
Publicatiedatum
Juli 2017
Publicatietype
Rapport
Auteur(s)
S. De Roo, T. Suzuki, D. Vanneste, P. Peeters, F. Mostaert
Reeks
FHR reports