NNewsEwS
Software The vessel structure will operate in a corrosive
Autoship next
environment and will endure massive impact loads,
fatigue and wave loads. “To ensure the safety of the ship
generation
and to prevent marine pollution, it is vitally important to
establish the quality of welded joints,” said ClassNK.
Autoship Systems Corporation (ASC) has
announced that it has released its next generation of Newbuilding
Autoship marine design software.
ASC said the latest development in its flagship
Mitsui’s 56
surface modelling programme Autoship has improved
delivered
usability due to a re-write of the surface-to-surface
intersection functionality, removing the need for users Mitsui Engineering & Shipbuilding Co., Ltd. (MES)
to worry about the tolerances plus a host of additions has completed and delivered a 56,000dwt bulk carrier
to what the Navigator can do. Many user-inputs will Ocean Leader (MES Hull No.1792) at its Chiba Works
also be streamlined. The Pro version of the programme on 20 January, 2010.
will allow import of Initial Graphics Exchange Specifi- Owners Mingtai Navigation Co., Ltd., Taiwan took
cation (IGES) entities 141 and 143, further broadening delivery of the handy-max bulk carrier which has a
the designer’s capabilities, ASC said. large cargo hold capacity of over 70,000m
3
. This bulk
The stability and strength calculation programme, carrier series, known as Mitsui’s 56, is popular in
Autohydro has been increased in scope to include the the market with more than 150 units ordered from
latest regulations. These will include the new probab- MES.
lisitic damage assessment rules and enhanced handling
of free surface effect. A new configurable report tool TEChNiCAl pArTiCulArS
has been added that will shorten the time needed to
produce customised reports. Also, a new model-maker Ocean Leader
for model creation and an editing tool will be released length oa ......................................................... 189.99m
as part of the package, which has been designed from length bp .......................................................... 182.00m
the latest developments in user-interface controls. Breadth (moulded) ........................................... 32.25m
Planning is also underway for the closer integration Depth (moulded) .............................................. 18.10m
of modelling for Autohydro from within Autoship. Draft (moulded) ................................................. 12.69m
ASC, in realising the need for developing more Gross ................................................................. 31,753gt
integrated software due to vessels becoming more Deadweight .................................................. 56,136dwt
complex, has shifted into developing the capabilities of Main Engine ...................................... MiTSui-MAN B&w
its Autoship software. 6S50MC-C x1set
Ouput (MCr) .................................... 9480kw x 127min
-1
Classification Service Speed abt. ......................................... 14.5knots
ClassNK publishes
Complement................................................ 24 persons
Classification Society ................................................ NK
welding guidelines
Flag................................................................... panama
Date of Delivery ..................................January 20, 2010
ClassNK has published new guidelines aimed at
shipbuilders and owners outlining the possible
advantages of using a welding method that could protect Lifesaving
the integrity of welding joints on vessel hulls.
The class society expects that laser beam arc hybrid
MES developed
welding will be widely used in the future. A ClassNK
for specialist ships
statement said: “Laser beam arc hybrid welding, a high
performance welding process, for the shipbuilding field Brude Safety and Ulstein Design have developed the
is being studied. Laser beam arc hybrid welding is a Marine Evacuation Systems (MES) used on passenger
high quality welding process notable for realising high vessels, where passengers evacuate a ship through a
efficiency in welding work that can inhibit thermal chute directly into waiting life raft, for use on specialist
deformation.” ships such as offshore support vessels.
The publication, Guidelines for laser beam arc hybrid The system can be used in international waters from
welding will provide a “unified approval” of the welding a height of three metres up to a maximum of 20m.
procedure, “and related welding procedure specifica- Crew will evacuate into life raft waiting below.
tions applicable to hull structural members”. Already installed on the 6570gt Polarcus Nadia a
Currently shipyards use CO semi-automatic welding seismic vessel which was delivered late last year, and
2
and submerged arc welding methods and these joints the system will also be installed on the second vessel
come under immense pressure during the working life Polarcus Naila that was delivered from Dubai Drydocks
time of the vessel. World last month. The remaining four vessels in the
10 The Naval Architect February 2010
NA Feb10 p8+p10+
p12.indd 10 03/02/2010 10:42:01
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