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Hull and Outfitting

Compartmentation

  • Last UpdatedDec 18, 2025
  • 4 minute read

COMPARTMENTATION \ ENVELOPE

This gives the following options:

SET ACTIVE ENVELOPE

 

 

 

 

If selected, you are prompted to interactively pick from one of the graphics views, the envelope to be set as the active/current envelope (which is used in subsequent definitions of internal structure).

CREATE

If selected, you are is prompted to interactively pick from one of the graphics views, the surface to be used as the barehull for the new envelope to be created.

MAIN DECK

If selected, you are prompted to interactively pick from one of the graphics views, the surface to used as the Main Deck in the active envelope’s definition.

APPENDAGES

Use the POSITIVE or NEGATIVE menu item to interactively pick from one of the graphics views, the surface to use as a positive or negative (respectively) appendage in the active envelope’s definition.

EDIT...

Brings up the Envelope Definition dialog, which allows you to edit the definition of any envelope.

GENERAL...

Brings up the Envelope General dialog, which allows you to edit data relating to the envelope, for example, wind profile or deck edge points.

COMPARTMENTATION \ INTERNAL SURFACE

This gives the following options:

EDITOR...

Brings up the Internal Surface Editor dialog, which allows you to create or edit the definition of any internal surface, be it a transverse, longitudinal or deck.

PROFILES

Use either TRANSVERSE... or LONGITUDINAL... to bring up the Corrugation Profile dialog, which allows you to define a specific profile for the corrugation of a transverse or longitudinal bulkhead respectively.

Note:
That the profile is not editable following creation.)

COMPARTMENTATION \ COMPARTMENTS

This gives the following options:

GENERAL...

Brings up the Compartments General dialog, which allows you to edit data relating to compartments, for example, categories.

EDITOR...

Brings up the Compartment Editor dialog, which allows you to create or edit the definition of any compartment, whether it is of a basic or merged type.

COMPARTMENTATION \ SELECTED

When selected you are prompted to interactively pick from one of the graphics views, which element (transverse, longitudinal, deck or compartment) should be regenerated.

COMPARTMENTATION \ NEEDED ONLY

Only elements that needs to be updated because of changes to topologically connected elements will be regenerated.

COMPARTMENTATION \ REGENERATE ALL

All elements (transverses, longitudinals, decks and compartments) are regenerated.

COMPARTMENTATION \ SECTIONAL AREA CURVE...

Brings up the Sectional Area Curve dialog, which is used to generate and view the sectional area curves of the selected envelope and a combination of compartments (belonging to that envelope).

COMPARTMENTATION \ REPORT...

Brings up the Compartment Reports dialog, which is used to collate, in a report, various information, such as volumes and centres, for the selected compartments.

COMPARTMENTATION \ TOPOLOGY REPORT

Generates a compartment (for the entire model) describing the definition of transverse bulkheads, longitudinal bulkheads, decks and compartments; and all their dependencies.

COMPARTMENTATION \ CONTAINER ARRANGEMENT

This gives the following options:

CONTAINERS…

Displays the Containers dialog, which allows you to create or edit the container types required for bay definition.

BAY DEFINITIONS…

Brings up the Bay Definition Editor dialog, which allows you to create or edit the bay definitions.

HATCHES…

Displays the Hatches Dialog dialog, which allows you to create or edit the hatches.

REPORT…

Brings up the Container Arrangement Report dialog, which is used to collate, in a report, information, such as container types, bay definitions, vessel profiles and plan views of the vessel with the bay definitions displayed.

COMPARTMENTATION \ WEIGHT ANALYSIS …

Displays the Weight Analysis dialog, which allows you to perform a preliminary weight analysis on the current envelope and any internals.

Note:
The following menu item Basic Design Preparation is specifically for tools which assist in the preparation of the model for use by Structural Design.

BASIC DESIGN PREPARATION \ UPPER DECK

Note:
A Structural Design (and Hull) restriction is that the main hull surface is open, that means, it does not return to the centreline at the top. In order to satisfy this Structural Design requirement, Surface/Compartment, on releasing an envelope or surface (including a barehull), splits the faces into two separate surfaces. One is the main hull surface (named according to the element's ID) minus the faces that constitute the Upper Deck and the other is the remaining Upper Deck faces (named according to the element's ID appended with UPDK).

When using a hullform or editing an envelope definition, Surface/Compartment automatically allocates certain faces as the Upper Deck. This automatic process may not produce the required set of faces for every ship and patch arrangement combination and hence the tools are provided for checking and modification. These tools are accessed via the menu items, Identify, Add Faces, Remove Faces and Clear All Faces.

This gives the following options:

IDENTIFY

For the selected element, highlights the faces marked as the Upper Deck surface.

ADD FACES

Used to interactively pick additional faces for the Upper Deck surface of an element.

REMOVE FACES

Used to interactively pick faces to be removed from the Upper Deck surface of an element.

CLEAR ALL FACES

Used to clear all faces that form the Upper Deck surface of the interactively selected element.

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