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

Hisham El Safti, Matthias Kudella & Hocine Oumeraci
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...
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