Intuitive inspection of various settings and solutions is possible.
specific project. Second order wave drift forces are either imported from the client’s own seakeeping data response amplitude operators (RAOs) using WAMIT wave interaction analysing tools (or similar), or computed utilising Force Technology 3D panel seakeeping code Omega. Thruster information is either based on generic units and position data, data supplied by the thruster vendor, or from the model test on the exact project. The results of the DPLab program
are presented in a range of graphs and diagrams such as polar diagrams of limiting environmental conditions. For external use, the results can be exported and used in other programs or spreadsheets. Once a configuration and relevant scenario
has been prepared and analysed, the system automatically generates a report with settings and results. In case numerous configurations
are analysed, the results are also compiled in comparison plots and tables for easy review and conclusions. According to Mr Eefsen, the DPLab
program has been used to assign a range of ship types, including drilling vessels, semi-submersibles, crane vessels, special purpose vessels, AHTS, etc. NA
Rovsing Dynamics stays in condition
OPENpredictor condition monitoring from Rovsing Dynamics is proving its worth for a range of shipowners.
in its overhaul programme for the ferry Prinsesse Benedikte, after adopting condition monitoring procedures developed by Rovsing Dynamics. In combination with equipment
T
supplier Rolls-Royce, Rovsing developed an online condition monitoring version of its OPENpredictor, which allows for concurrent monitoring of the main engine, through bearings and other
BDC measurement mimic for 8-cylinder engine. In case of rapidly developing bearing faults bar graphs for faulty bearings change to yellow or red at pre-defined wear levels, and the system initiates a sounding alarm.
The Naval Architect April 2009 31
wo years into operations, Scandlines is reported to have achieved significant cost savings
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