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Feature 3
design, the worst case biggest distance
to port should be weighted against time
at sea, including the functionality of the
comfort systems required.’ Sanitation,
water, food, medical care, weather shelter
including means of preventing heat stress
or hypothermia, lighting, ventilation, and
access to lifesaving appliances have to be
arranged. How the above requirements
are to be arranged is not specified. A
number of safety systems also have to be
kept operable, including communication,
fire systems, bilge and ballast systems,
power-operated watertight and semi-
watertight doors, and flooding detection
systems. ‘The challenge is, that many of
today’s vessels are not fully designed to
this principle, except for some specific
systems,’ Mr Miinala said.
Intelligence in 3D A case study on the implications of the loss of one of the Main Switchboard rooms on a
To solve the technical requirements, a modern cruiseship. Analysis done using Deltamarin’s Intelligent 3D System Coordination
Failure Mode, Effects and Criticality Model.
Analysis is done, in which the implication
of a failure in each system or component
is examined. Realising that existing 2D 3D space model of the ship is made, The software has built-in graphical 3D
methods mean a very heavy workload, including a system model with all display of the areas and systems affected
also resulting in making design essential equipment including pipes, as well as written reporting.
alternatives very difficult, Deltamarin has ducts, power and control cables, and ‘The idea is to do this analysis, with
developed a new tool specifically for this control locations. The functional logic the shipowner, already before the ship
purpose. ‘It is very difficult to coordinate between the system sub-elements is contract with the yard is signed, in order
the position of different piping and cables determined, ie by systems needed for to confirm which systems are required
onboard and the effect damage has on each component in order to function. and their location and configuration,’ Mr
these, without a tool like this,’ Mr Miinala Then each compartment is destroyed Miinala said. Deltamarin also considers
noted. one by one. The software calculates it useful to upgrade this 3D model
The ‘intelligent 3D system coordination which system sub-elements are lost, throughout the design and construction
model’ is built on Catia’s ship design which systems are lost due to this, and of the vessels, on a functional level, in
software, applied by Deltamarin. A the status of redundancy for that system. order to have a coordination model
throughout the lifecycle of the vessel. The
intelligent 3D system coordination model
supports the ship design process at the
yard and is at the same time a verification
tool for the redundancy calculations.
‘Our goal is also to integrate other
tools for safety-analysis into the same
system,’ Mr Miinala said. This tool has
been developed in close cooperation with
Royal Caribbean Cruise Line and Aker
Yards in Finland. Deltamarin works in
close cooperation with its alliance partner
Safety at Sea from Glasgow in developing
the overall Safety Level product. NA
the areas with lost functionality can also
be expressed in 3D. In this case a Black
Water Collection System is lost.
The Naval Architect February 2008 79
NA Feb 08 - p78+79.indd 79 05/02/2008 09:50:39
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