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Cutaway of the structure of a US Navy WWII destroyer escort. Structures involves selection of material of construction, structural analysis of global and local strength of the vessel, vibration of the structural components and structural responses of the vessel during motions in seaway. Depending on type of ship, the structure and design will ...
The strength of ships is a topic of key interest to naval architects and shipbuilders. Ships which are built too strong are heavy, slow, and cost extra money to build and operate since they weigh more, whilst ships which are built too weakly suffer from minor hull damage and in some extreme cases catastrophic failure and sinking.
Sesam is a software suite for structural and hydrodynamic analysis of ships and offshore structures. [1] It is based on the displacement formulation of the Finite Element Method . The first version of Sesam was developed at NTH, now Norges Teknisk-Naturvitenskapelige Universitet ( NTNU Trondheim ), in the mid-1960s. [ 2 ]
In the context to structural analysis, a structure refers to a body or system of connected parts used to support a load. Important examples related to Civil Engineering include buildings, bridges, and towers; and in other branches of engineering, ship and aircraft frames, tanks, pressure vessels, mechanical systems, and electrical supporting structures are important.
The Ship and Offshore Structural Mechanics Laboratory (SSML) is a laboratory in the Department of Naval Architecture and Ocean Engineering of Pusan National University. The SSML develops methods useful for strength analysis and structural design of marine structures. The methods developed should be helpful for achievement of high performance of ...
Ship stability is an area of naval architecture and ship design that deals with how a ship behaves at sea, both in still water and in waves, whether intact or damaged. Stability calculations focus on centers of gravity , centers of buoyancy , the metacenters of vessels, and on how these interact.
The dynamic design analysis method (DDAM) is a US Navy-developed analytical procedure for evaluating the design of equipment subject to dynamic loading caused by underwater explosions (UNDEX). The analysis uses a form of shock spectrum analysis that estimates the dynamic response of a component to shock loading caused by the sudden movement of ...
It enables the design and evaluation of ship structures, thanks to finite element analysis tools. Possible analyses include: ... (a ship structural design company), ...