NYK Line and ClassNK complete 3D drawing project for vessel design

Japanese shipping company NYK Line has been granted approval from class society ClassNK for the utilisation of 3D models in the creation of design drawings for a multi-purpose container carrier, thought to be the first ocean-going ship to complete the basic design process solely using 3D drawings.

3D drawings were created and applied from the conceptual design to the basic structural design, as well as during the initial stages of ship construction.

Traditionally, the sharing of design information among shipyards, shipowners and class societies has relied on 2D drawings, necessitating the conversion of shipyard-created 3D models into 2D drawings for approval processes. This would be followed by the input of drawing data into the class society’s ship structural design support system and the completion of model modifications by designers.

Accurately interpreting complex 2D drawings requires extensive expertise, complicating the information sharing process among the parties and requiring a high level of dependence on the skills of the individuals involved.

NYK Line and ClassNK began work on this project to utilise 3D models in new ship designs as a way of dealing with these challenges. The 3D model data created by NYK Line on its ship design 3D CAD system was processed with an interface to ClassNK’s PrimeShip-HULL application, with the class society completing all plan approvals at the basic design stage without the need for conversion to 2D drawings.

ClassNK says it will continue to work on standardising the 3D plan approval scheme for ship design going forward.

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Rob O'Dwyer

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