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Wave penetration can be calculated in two ways, depending on the user preference. Using an analytic method, in which wave panatration penatration is computed on a grid within the harbour basin and is based on Cornu spiral waves propagating into the harbour basin. Note that this does not take into account processes such as reflection and diffraction. Besides, also a numerical method can be selected, which uses the Diffrac2DH schemisation to find the penetration patterns of waves entering the harbour basin. This method takes reflection and diffraction into account, though only considers a (single) monochromatic wave. Results of wave penetration should however be interpreted with a considerable range of uncertainty.
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