Background

The design and production of a ship can be divided into a number of phases. This division into phases can be made in many ways. One possible way is illustrated in this figure:

When applied on the hull information flow, the different phases may include activities as outlined below.

Project Calculations

This is the early phase when the overall characteristics of the ship are defined. The dimensions of the ship are set, hydrostatic and stability calculations are performed, Among important results from this activity is a preliminary form.

Design

In this phase, the pre-design (classification) drawings are developed. Strength analysis may be performed to select plate thicknesses, Traditionally, the result of the design phase is documented in the design (classification) drawings.

Detailed Design (engineering)

In the detailed design process, the preliminary design is penetrated in detail and adapted to production needs. Production information is developed (drawings, burning tapes, sketches, ).

Production

This phase includes the manufacturing of parts and the assembly of the ship.

Planar Hull Modelling is intended to be used from the early design phase when the ship may be outlined in manually made, rough sketches. Based on such sketches, on preliminary form information, the results of strength calculations , Planar Hull Modelling establishes a design model and develops classification drawings. Planar Hull Modelling also incorporates all functions that are required in the detail design phase.

Consequently, Planar Hull Modelling in one system covers all the activities from the early design to the production preparation.