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Seabed Modelling in Modal Analysis

If you are analysing an SCR or a flexible riser (e.g. a free hanging, lazy S or lazy wave configuration) in a modal analysis, an important consideration is how the program models the interaction between the riser and the seabed. There are two aspects to this issue, namely:

(i)Riser motion in the direction normal to the seabed.

(ii)Riser motion tangential to the seabed.