Continuous Flooding - Openings Page

The location of each opening is given by x, y and z co-ordinates (X, Y and Z respectively, measured relative to the vessel's origin in meters or feet).

The size of the opening is given by its width and height, and you can select a shape (Rectangle, Ellipse or Trapezoid) from the Shape drop-down list.

The Orient. column determines the principal orientation of the opening: Profile (for example, in the ship’s side), Plan (for example, in a deck, or Section (for example, in a transverse bulkhead).

The Coeff. is the friction coefficient for flow through the opening: the lower the value of the coefficient, the slower the flow rate.

The next two columns specify the compartments that are connected by the opening. SEA is a special identifier, which means that sea water will enter (or exit) through the opening.

The compartment, to which a protected opening is associated, may be selected from the dropdown list in the Comp ID column.

Openings can be switch on or off by checking the appropriate box for the opening state.

Openings are added and removed using the Add and Delete buttons. The Edit button brings up one of the following dialogs depending on the shape of the selected opening, allowing further details to be changed:

The u and v tilts allow the opening to be tilted for a better alignment with, for example, the shell. The better the alignment, the more reliable the results of the simulation will be.

For an elliptical opening the Number of points determines the accuracy of the shape.

For a trapezoidal opening, the width and height ratios, allow the deviation of the trapezoid from a rectangle to be controlled.