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基盤的研究課題調査調書

 事業名 造船技術研究開発課題の調査
 団体名 日本造船研究協会 注目度注目度5


付録
Hydrodynamic Response Analysis Codes
 
LAMP is the SAIC three-dimensional time-domain Large Amplitude Motions Program. It calculates time-domain motions and loads of floating bodies with or without forward speed, and it can be used for the numerical solution of many seakeeping-related problems. Its prediction capabilities include the following: impulse response functions wave resistance of ships in calm water or in waves linear and nonlinear motions of vessels in waves linear and nonlinear hydrodynamic forces linear and nonlinear wave excitation forces pressure distribution over the hull surface linear and nonlinear wave loads impact and whipping loads nonlinear simulation of time-domain ship motions in large-amplitude waves.
 
Predicts the heave, pitch and surge response of a planning hull as it encounters regular or irregular seas. When the forward velocity or thrust and the shape of the waves or wave spectrum was specified, the hull’s motion including surge, heave and pitch displacements, velocities and accelerations will be calculated. It will help you to predict time dependent effects such as porpoising, deck wetting and boat accelerations.
 
 
A hydrodynamic and seakeeping analysis program that provides fast, reliable calculation for many types of designs in a variety of sea states. Can directly works with maxsurf surface models.
 
SeaShip simulates motion of a numerical hull model in wind-sea and swell. It animates three-dimensional interactions between the ship and the waves with the graphics card in your personal computer. It shows changes in trim and motion that result from changing load or hull shape. SeaShip needs two inputs, a numerical model of the hull, and a sea and swell spectrum.
 
Seaway is a frequency-domain ship motions program, based on the linear strip theory to calculate the wave- induced loads, motions, added resistance and internal loads for six degrees of freedom of displacement ships and yachts, barges, semi-submersibles or catamarans, sailing in regular and irregular waves. This 2-D potential theory program is suitable for deep water as well as for shallow water. Viscous roll damping, bilge keels, anti-roll tanks, free surface effects and linear springs can be added.
 
ShipmoPC is a strip theory-based, frequency domain seakeeping code capable of computing the six degree-of-freedom motions of a monohull with forward speeds in regular as well as irregular seas of arbitrary headings.
 
Shipmo-Marin is based on the well-known 'strip-theory'. The potential theory underlying Shipmo hinges on the slenderness of the ship's hull and on linearity of the hydrodynamic forces. The program is actually split up into two parts. In the first part the hydrodynamic reaction forces, expressed in added mass, damping and wave forces, are calculated. In the second part of the program the sectional coefficients are integrated over the ship length and the equations of motion are solved. The integration can also be carried out for a segment of the ship, which gives the possibility to calculate the internal loads in the hull, like bending moments, shear forces and torsional moment.
 
SPLASH is a fully 3-D nonlinear free-surface potential flow panel code for aero/hydrodynamic design and analysis of marine vehicles. Applications range from steady and unsteady (seakeeping) performance predictions for America's Cup and other grand prix race sailing yachts, to prediction of unsteady hydrodynamic loadings for structural analysis of oil tankers.
 
USAERO uses potential flow and boundary layer methods with a time-stepping procedure for arbitrary motions assures timely and cost effective assessments of unsteady surface pressures and loads. USAERO calculates the transient aerodynamic characteristics of complex configurations in arbitrary motion. It is based on a time-stepping procedure, which allows relative motions of configuration components. As integral potential flow and boundary layer methods are the basis of this CFD software, the aerodynamics solution is only required on the boundary surfaces for each time step and requires only surface meshing.
 
VisualSMP is a suite of tools used in the prediction and analysis of a ship’s seakeeping characteristics. Included in VisualSMP is the SMP95 strip theory based frequency domain seakeeping program, the SEP96 seakeeping analysis program, the STH97 time history program, and the SWMP96 SWATH seakeeping program, all developed by the US Navy. VisualSMP adds a graphical pre- and post-processor, together with tools to simulate and visualize the motion of the ship in a seaway.







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(31,861成果物中)

成果物アクセス数
40,191

集計期間:成果物公開〜現在
更新日: 2020年4月4日

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