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ship design --- naval architecture --- marine engineering --- hydrodynamics --- structural mechanics --- combat systems

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Throughout the years, human kind has been looking for ways to improve previous designs. Improvements are made in order to achieve more precise results, increase efficiency, increase productivity, save energy, being greener, save money and staying competitive. In ship design, optimization is also an important procedure to be considered, it can lead to decreasing construction and operational costs, fuel consumption, greenhouse gases emission, increase cargo capacity and overall efficiency.
This work studies the influence of the web frame spacings and longitudinal stiffeners spacings on the weight of the cargo hold of a crude oil tanker. The least weight is desired. In order to analyse the weight of the cargo hold of the vessel, the scantling of five spacings of web frames are calculated. The cargo hold will always have the same length, and the swash bulkhead will remain always in the middle of the cargo hold, in the longitudinal direction. After finding the least weight of the five different spacings of web frames, the spacings of the longitudinal stiffeners are changed five times and the option with the least weight is selected.
The weight of all the scantlings calculated with the help of Nauticus Hull is then compared, considering that the web frames and bulkheads did not suffer any change in weight.

ship design --- crude oil tanker --- Optimization --- Ingénierie, informatique & technologie > Ingénierie mécanique

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Marine engineering --- Marine sciences --- Marine engineering. --- Marine sciences. --- offshore engineering --- ship structure --- hydrodynamics --- marine material --- shipping systems engineering --- ship design --- Ocean sciences --- Aquatic sciences --- Engineering, Marine --- Marine technology --- Naval engineering --- Engineering --- Naval architecture --- naval architecture --- marine engineering --- ocean engineering --- marine transportation

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The nineteenth-century Royal Navy was transformed from a fleet of sailing wooden walls into a steam powered machine. Britain’s warships were her first line of defence, and their transformation dominated political, engineering and scientific discussions. They were the products of engineering ingenuity, political controversies, naval ideologies and the fight for authority in nineteenth-century Britain. Shaping the Royal Navy provides the first cultural history of technology, authority and the Royal Navy in the years of Pax Britannica. It places the story firmly within the currents of British history to reconstruct the controversial and high-profile nature of naval architecture. The technological transformation of the Navy dominated the British government and engineering communities. This book explores its history, revealing how ship design became a modern science, the ways that actors competed for authority within the British state and why the nature of naval power changed.

Warships. --- Naval art and science. --- Naval art and science --- Warships --- Fighting --- Naval administration --- Naval science --- Naval warfare --- Navy --- War, Maritime --- War --- Military art and science --- Navies --- Navigation --- Naval ships --- War-ships --- Government vessels --- Naval architecture --- Ships --- Armored vessels --- History --- Great Britain. --- England and Wales. --- צי הבריטי --- 1800-1899 --- Weapons systems --- 1830 Whig government. --- Captain. --- Pax Britannica. --- Royal Navy. --- Royal Sovereign. --- Warrior. --- naval architecture. --- naval thinking. --- sailor-designer identity. --- ship design. --- steam powered machine. --- wooden walls.

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This book presents the papers accepted into the Special Issue “Stability and Seakeeping of Marine Vessels” and includes nine contributions to this Special Issue published in 2020. The overall aim of the collection is to improve knowledge about the most relevant and recent topics in ship stability and seakeeping. Specifically, the articles cover a wide range of topics and reflect the recent scientific efforts in the 2nd generation intact stability criteria evaluation and modelling of the ship dynamics assessment in intact or damaged conditions. These topics were investigated mainly through direct assessments performed both via numerical methods and tools, and experimental approaches. The book is addressed to individuals from universities, research organizations, industry, government agencies and certifying authorities, as well as designers, operators and owners who contribute to improved knowledge about “stability and seakeeping”.

Technology: general issues --- URANS --- VOF --- overset mesh --- side damage --- bottom damage --- flooding process --- motion response --- nonlinear steady flow --- desingularized Rankine panel method --- forward speed --- radiation and diffraction --- adaptive weather routing --- Seakeeping Performance Index --- route optimization --- Dijkstra algorithm --- Cummins equations --- vertical motions assessment --- time domain simulations --- experimental seakeeping --- hard chine displacement hull form --- second generation intact stability criteria --- operational guidance --- operational limitations --- vulnerability levels --- direct stability assessment --- Ro-Ro ferry --- coastal patrol ship (CPS) --- full-scale seakeeping trials --- ship design --- barge platform --- zero-pressurized air cushion --- hydrodynamic performance --- boundary element method --- container ship --- added resistance in waves --- sea states --- potential flow theory --- variation of ship characteristics --- strip theory --- BEM --- RANS --- regular wave --- seakeeping