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Keyword : software
Results 1 - 5 of 7
Development of a Routing Software for Inshore Match Race
Yacht races are won by good sailors racing fast boats. A
good skipper takes decisions at key moments of the race
based on the anticipated wind behaviour and on his position
on the racing area and with respect to the competitors.
His aim is generally to complete the race before all
his opponents, or, when this is not possible, to perform better
than some of them. In the past two decades some methods
have been proposed to compute optimal strategies for
a yacht race. Those strategies are aimed at minimizing the
expected time needed to complete the race and are based on
the assumption that the faster a yacht, the higher the number
of races that it will win (and opponents that it will defeat).
In a match race, however, only two yachts are competing.
A skipper’s aim is therefore to complete the race before his
opponent rather than completing the race in the shortest possible
time. This means that being on average faster may not
necessarily mean winning the majority of races. This paper
presents the development of software to compute a sailing
strategy for a match race that can defeat an opponent who is
following a fixed strategy that minimises the expected time
of completion of the race. The proposed method includes
two novel aspects in the strategy computation...
Yacht Design Software 2.0: The Open Source Movement
This paper is a survey of the current state of the art of open source software for yacht design applications. Yacht design and design tools we use have undergone numerous transformations in recent decades, the most notable being the introduction of the personal computer. Since the advent of the PC, yacht designers have been forced to create their own programs from scratch or choosing from relatively few off-the-shelf programs. Commercial software has been characterized by high expense, closed systems, and limited interoperability between applications that are difficult to fully customize or use in a collaborative manner. A lot of sneaker-netting and custom conversion code is often required. For the last several years, users in many industries have been given a new option of joining the “open source movement,” where software and the underlying code is made available for users to download, modify, improve and again make available to others. With open source, the isolated approach to custom software development can be replaced with a broad base of core capability that can be extended and shared with the larger community. Industry players collaborate on the essential elements of tools for our profession - as the saying goes, "A rising tide will lift all boats." There is still plenty of room for individuals or companies to differentiate themselves by how they use the tools and by their niche areas of expertise or experience, but the return on investing in an 'open source' set of common tools is potentially greater than its cost. In doing so, software tools are developed and improved in a collaborative manner, resulting in shorter development time and applications that are more powerful, robust and interoperable for all users. Although working in a closed environment may feel safe and secure to private actors, the lack of adequate peer review and external contribution leads to situation specific myopia. In this paper, we will survey available open source tools both general and yacht design specific that can be used, present some suggestions on integrating them into the design process and explore how the industry can improve these tools in the future.
New software has been developed for an existing simulator. The physical model of the simulator has been rewritten and
now includes a lot of extra features which have increased the realism of the simulation considerably. The new physical model has
been explained in this paper and compared with the old model.
BOAT-2000 Database: Market Study and Aid to Power and Sailboat Design
This paper presents the BOAT-2000 database organization. Its applications in market study as well as power and sailboats design are used to show the system capability for integrated design.
Propeller Analysis and Design Study for 43 Foot Pleasure Yacht
With the continual search for improved performance, many yacht designs are being analyzed for potential propulsion improvements by using greater gear reduction ratios and alternative propeller designs. This papers describes one such analysis for a 43-foot, diesel powered, pleasure yacht. The results of a hydrodynamic propeller analysis comparing a standard series propeller and a custom design are presented. The results of two alternative propulsion systems with different gear reduction ratios are also presented.
