Modelling wave-induced residual pore pressure and deformation of sand foundations underneath caisson breakwaters

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El Safti, H.; Kudella, M.; Oumeraci, H.: Modelling wave-induced residual pore pressure and deformation of sand foundations underneath caisson breakwaters. In: Proceedings of the Coastal Engineering Conference (2012). DOI:

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Sum total of downloads: 91

A finite volume model is developed for modelling the behaviour of the seabed underneath monolithic breakwaters. The fully coupled and fully dynamic Biot's governing equations are solved in a segregated approach. Two simplifications to the governing equations are presented and tested: (i) the pore fluid acceleration is completely neglected (the u-p approximation) and (ii) only the convective part is neglected. It is found that neglecting the pore fluid convection does not reduce the computational time for the presented model. Verification of the model results with the analytical solution of the quasi-static equations is presented. A multi-yield surface plasticity model is implemented in the model to simulate the foundation behaviour under cyclic loads. Preliminary validation of the model with large-scale physical model data is presented.
License of this version: CC BY 3.0 US
Document Type: article
Publishing status: publishedVersion
Issue Date: 2012
Appears in Collections:Fakultät für Bauingenieurwesen und Geodäsie

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pos. country downloads
total perc.
1 image of flag of Germany Germany 60 65.93%
2 image of flag of Belgium Belgium 8 8.79%
3 image of flag of United Kingdom United Kingdom 4 4.40%
4 image of flag of India India 3 3.30%
5 image of flag of China China 3 3.30%
6 image of flag of Malaysia Malaysia 2 2.20%
7 image of flag of Canada Canada 2 2.20%
8 image of flag of Australia Australia 2 2.20%
9 image of flag of Morocco Morocco 1 1.10%
10 image of flag of Chile Chile 1 1.10%
    other countries 5 5.49%

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