Sesam software in the design of ships and floating offshore structures and analysis of the application

Design and analysis of floating offshore structures aspires to a variety of coupling factors, Sesam is currently on the market can be considered one of the typical commercial software of various complicated factors.Sesam as a complete system, with a modular, integrated and open significant advantages, complete the lifecycle of the overlay structure design, analysis, and construction, and according to the market demand and feedback, and constantly improve and extend the functionality, keep the leading technology.For any company, the project selection and optimization of software system, for its long-term strategy development and decision making are vital.DNV has one hundred years history in the world as a technology pioneer, has combined the traditional technology of reserves, and have a large number of new and high technology research and development.With 50 years development history Sesam software system, belongs to the DNV digital division, since formal commercial, through all kinds of ships and Marine structures inspection of market and customers, offshore and Marine structures in the world within the scope of applications.

Sesam can be used for all types of floating structure design and analysis, including the barge, FPSO, semi-submersible platform, train tension leg platform, floating pontoon, floating fan, fisheries and other large floating structures, such as sea bridge and gravity type structure, without being limited by the structure form and scale.Sesam可对船舶和海上结构进行高效、高质量的水动力学计算和结构有限元分析，包括稳性、静水力、水动力和强度分析等，并自动进行载荷传递从而准确计算结构物的变形和应力分布，在此基础上进一步进行疲劳分析和规范校核。

Sesam used in the design of floating structures is the theory basis of mature finite element method (fem) and the fluid dynamics analysis of radiation diffraction theory.We offer the following modules:

• GeniE: modeling and former, post-processing tools, can be efficient modeling and rapid assessment results.
• HydroD: provide stability analysis, frequency domain and time domain of hydrodynamic calculation, can be directly use multi-purpose universal model generated by the GeniE, and seamless docking with the finite element analysis.Calculation is completed, HydroD can directly call the post-processing module Postresp statistical forecast and map and output results.HydroD can send the surface unit and at the same time the wave load on the beam element, such as automatic transmission inertia force and gravity to the structure finite element model.
• Sestra: complete the structure static or dynamic response solution, in addition to the whole model structure analysis, can also be used for rapid reconstruction of local submodel and strength analysis, so that subsequent hot fatigue assessment.
• Sima: floating structure and flexible building (mooring system and riser, etc.) and floating coupling nonlinear time domain analysis of fan.At the same time can be used for the design of the deep sea floating fishing grounds and the analysis of the construction work at sea.The world's first commercial floating fan the Hywind is using Sesam calculation and analysis of the module (Sima), see Sesam wind for more applications in the field of wind power products page.
• STOFAT: structure plate and shell unit limit stress (ULS) specification check and fatigue analysis.

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