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*BUOY

Data format:

A single line with an arbitrary number of parameters, as follows:

IGR1 IGR2 ... IGRN

Status :

Optional

Purpose :

Hydrostatic stiffness will be taken into account for the elements belonging to either of the groups listed.

Restrictions :

The groups must have been created previously.

Details :

Parameter	Description
IGR1 IGR2 ... IGRN	List of groups of elements identified through their ID

Note : Considering the hydrostatic stiffness for certain elements close to the free surface may help to reach convergence. Application examples concern buoys modeled through elements, especially when these latter are almost vertical.