Bewise Inc. www.tool-tool.com Reference source from the internet.
Naval architecture is an engineering discipline dealing with the design, construction and repair of marine vehicles.
Due to the complexity associated with operating in a marine environment naval architecture is by necessity a co-operative effort between groups of technically skilled individuals that are specialists in particular fields, often co-ordinated by a lead naval architect. This inherent complexity also means that the analytical tools available are much less evolved than those for designing aircraft, cars and even space craft. This is due primarily to the paucity of data on the environment the marine vehicle is required to work in and the complexity of the interaction of waves and wind on a marine structure.
The areas of expertise filled by naval architects are typically:
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- Hydrostatics (ex: trim & stability)
- Hydrodynamics (ex: resistance and powering, seakeeping, manoeuvring)
- Arrangements (ex: concept design, volume & access)
- Structures (ex: global strength, seaway responses)
[edit] The craft of naval architecture
Traditionally, naval architecture has been more craft than science. The suitability of a vessel's shape was judged by looking at a half-model of a vessel or a prototype. Ungainly shapes or abrupt transitions were frowned on as being flawed. This included, rigging, deck arrangements, and even fixtures. Subjective descriptors such as ungainly, full, and fine were used as a substitute for the more precise terms used today. A vessel was, and still is described as having a ‘fair’ shape. The term ‘fair’ is meant to denote not only a smooth transition from fore to aft but also a shape that was ‘right.’ Determining what ‘right’ is in a particular situation in the absence of definitive supporting analysis encompasses the art of naval architecture to this day.
[edit] The science of naval architecture
Modern low-cost digital computers and dedicated software, combined with extensive research to correlate full-scale, towing tank and analytical data, have enabled naval architects to more accurately predict the performance of a marine vehicle. These tools are used for static stability (intact and damaged), dynamic stability, resistance, powering, hull development, structural analysis, etc. Curiously, analytical tools (such as Computational Fluid Dynamics) still have difficulty in predicting with absolute certainty the response of a floating body in a random sea. The challenge is being addressed by universities, towing tanks, and other marine research entities throughout the world. Data is regularly shared in international conferences sponsored by RINA, Society of Naval Architects and Marine Engineers (SNAME) and others.
[edit] The Naval Architect
A naval architect is a professional engineer who is responsible for the design, construction, and/or repair of ships, boats, other marine vessels, and offshore structures, both commercial and military, including:
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- Merchant ships - oil tankers, gas tankers, cargo ships, bulk carriers, container ships
- Passenger/vehicle ferries, cruise ships
- Warships - frigates, destroyers, aircraft carriers, amphibious ships
- Submarines and underwater vehicles
- Icebreakers
- Offshore drilling platforms, semi-submersibles
- High speed craft - hovercraft, multi-hull ships, hydrofoil craft
- Workboats - fishing boats, anchor handling tug supply vessels, platform supply vessels, tug boats, pilot vessels, rescue craft
- Yachts, power boats, and other recreational craft
Some of these vessels are amongst the largest and most complex and highly valued movable structures produced by mankind. They are the most efficient method of transporting the world's raw materials and products known to man. Without them our society could not exist as it currently does.
Modern engineering on this scale is essentially a team activity conducted by specialists in their respective fields and disciplines. However, it is the naval architects who often integrate their activities and take ultimate responsibility for the overall project. This demanding leadership role requires managerial qualities and the ability to bring together the often-conflicting demands of the various design constraints to produce a product, which is "fit for the purpose."
In addition to this leadership role, a naval architect also has a specialist function in ensuring that a safe, economic, and seaworthy design is produced.
To undertake all these tasks, a naval architect must have an understanding of many branches of engineering and must be in the forefront of high technology areas such as vessel arrangements, hydrodynamics, stability, and structures. He or she must be able to effectively utilize the services provided by scientists, lawyers, accountants, and business people of many kinds.
Naval architects typically work for shipyards, ship owners, design firms and consultancies, equipment manufacturers, regulatory bodies, navies, and governments.
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BW специализируется в научных исследованиях и разработках, и снабжаем самым высокотехнологичным карбидовым материалом для поставки режущих / фрезеровочных инструментов для почвы, воздушного пространства и электронной индустрии. В нашу основную продукцию входит твердый карбид / быстрорежущая сталь, а также двигатели, микроэлектрические дрели, IC картонорезальные машины, фрезы для гравирования, режущие пилы, фрезеры-расширители, фрезеры-расширители с резцом, дрели, резаки форм для шлицевого вала / звездочки роликовой цепи, и специальные нано инструменты. Пожалуйста, посетите сайт www.tool-tool.com для получения большей информации.
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