DNV Software is pleased to announce that the Nauticus Machinery March 2010 version has been released. This is the first Nauticus Machinery release delivered from the new developer team in Shanghai which was established in August 2009.

The latest release is building further on the 2008 release and contains significant improvements to the calculation tools and calculation framework. The new release was successfully taken into production in DNV Maritime in the end of March, and the CD is currently being distributed to our customers. It is also available for download at the Nauticus Machinery downloads and update site.

Modules
Nauticus Machinery consists of the following:

• Workflow Manager lite and advanced – organising your projects
• Shaft Alignment – shaft alignment analysis and verification
• Torsional Vibration – steady state torsional vibration analysis
• Gear Rating – gear rating for marine transmissions
• Gear Faceload – calculation of faceload distribution and in gears

News in Nauticus Shaft Alignment
The new Nauticus Shaft Alignment tool has been totally re-programmed and you will find a new user interface, solver, result viewers and report generator. The graphical user interface now supports both 2-dimensional and 3-dimensional modeling. We have added a significant number of new features which will increase the usability and decrease the modeling time. Since the new program is “hosted” in a new way in Brix Explorer, you can easily load several models on the screen simultaneously to compare model input or results. A new number format and unit system has been added, so that the user can customize the way specific input or results are formatted.

On the solver side there is a new bearing calculation algorithm that fits better with the real behavior of the shaft line inside the bearing. We distinguish between static and dynamic operating conditions, where the dynamic one uses a simplified Reynolds algorithm to estimate the oil film stiffness. In addition it is possible to model and calculate both single- and multiple support-point bearings and sloped bored stern tube bearings. There is no limitation on the number of operating conditions. We have also added some new features for reverse engineering (based on measured bending moments) and bearing offset optimization (based on nominal- and peak bearing pressures).

News in Workflow Manager
In the Nauticus Machinery March 2010 release the user can configure the application setup in various ways. First of all you can set up the start profile in a lite or advanced mode. In the advanced mode we utilize the power of Brix Workflow Manager, which organize the calculations into jobs and function templates. If the complexness is not relevant to your way of working, you can use the new lite profile where there are less mouse-clicks and actions to load and save calculations. In addition Nauticus Machinery can be configured for stand-alone or multiple-user usage. All the settings are explained in detail in the installation guide and easy to understand in the installation script.

News in Nauticus Gear Rating and Faceload
The user interfaces for Nauticus Gear Rating and Faceload has been ported to a new style and are more up to date with modern programming standards. We have fixed a number of bugs in the old versions of the tools and done some improvements to the mathematical methods. In addition there is a new convert-tool which will convert old model files into a new format. The main reason for updating the gear tools this time was to ease implementation of new planned features in the next release.