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A steel ship's hull may be considered a structural beam with the main deck forming the upper flange of a box girder and the keel forming the lower strength member. The main deck may act as a tension member when the ship is supported by a single wave amidships, or as a compression member when the ship is supported between waves forward and aft. [2]
Shelter deck: A lightly constructed deck over the main deck of a ship covering a space open to the weather; offering some protection from the weather but not completely enclosed. [ 7 ] Side-deck : The upper deck outboard of any structures such as a coachroof or doghouse, also called a breezeway .
Astern (adjective): toward the rear of a ship (opposite of "forward"). [9] Athwartships: toward the sides of a ship. [1] Aweather: toward the weather or windward side of a ship. [10] Aweigh: just clear of the sea floor, as with an anchor. [11] Below: a lower deck of the ship. [1] Belowdecks: inside or into a ship, or down to a lower deck. [12]
The quarterdeck is a raised deck behind the main mast of a sailing ship. Traditionally it was where the captain commanded his vessel and where the ship's colours were kept. This led to its use as the main ceremonial and reception area on board, and the word is still used to refer to such an area on a ship or even in naval establishments on land.
Hull form lines, lengthwise and in cross-section. A hull is the watertight body of a ship, boat, submarine, or flying boat.The hull may open at the top (such as a dinghy), or it may be fully or partially covered with a deck.
The sheer is a measure of longitudinal main deck curvature in naval architecture. The sheer forward is usually twice that aft. Increases in the rise of the sheer forward and aft build volume into the hull, and in turn increase its buoyancy forward and aft, thereby keeping the ends from diving into an oncoming wave and slowing the ship.
The new 5,668-guest ship's activities are the gifts that keep giving — maybe overwhelmingly so. Royal Caribbean launched its 28th cruise ship, the world's second-largest, in July.
Passenger ships often use letters of the alphabet sequentially down from A deck (the highest) above B deck, and B deck above C deck, and so forth. Another popular naming convention is numbering the main deck 1, the deck below it 2 (or the second deck), and the deck below that the third deck, and so forth.