搜索结果: 1-15 共查到“知识库 船舶与海洋工程 3-D motion”相关记录19条 . 查询时间(0.25 秒)
Effect of Column Spacing On Wave Force Considering Structure Motion
Morison’s Equation Multiple Pile Transfer Function Columns Optimum Spacing Regular Array Irregular Array Variance Maxima
2009/5/19
The study is of an offshore structure consisting of slender columns near the free surface and large buoyancy pontoons near the base that is moored to the sea bottom like a Tension Leg Platform. The ef...
Simulation of Ship Steering Motion with Roll by a Component-Type Mathematical Model for European and Japanese Fishing Vessels with Trim Change
Maneuvering Motion a Component-Type Mathematical Model Turning Maneuver Heel Moment
2009/5/18
Maneuvering motions of fishing vessels are important in the situation of fishing operation at slow ship speed. Especially the roll motion of the fishing vessel relates to the capsizing by steering mot...
Numerical Investigations of Hydrodynamic Forces Acting on a Ship Hull under Lateral Low Speed Motion
Berthing Maneuver Transitional Hydrodynamic Forces Lateral Motion Lateral Drag Force CFD Simulation
2009/5/18
This paper describes the hydrodynamic forces acting on a ship hull undergoing lateral berthing maneuver. The hydrodynamic forces acting on the ship hull shows quite complicate and transitional charact...
A Study on Estimation Method of Ship Rolling Motion with Flooded Water on Deck
Damage Stability Flooded Water Ro-Ro Passenger Ship Rolling Motion Estimation Method Model Experiments
2009/5/12
This study investigates validity of a time domain simulation method of rolling motion of a Ro-Ro passenger ship with flooded water expressed by 2-dimensional lump mass concept. Model experiments with ...
A Study on Transverse Porpoising of a Planing Craft in Drifting Motion (2nd Report)—Simulation Method of Transverse Porpoising—
High-Speed Planing Craft Stability Transverse Porpoising Drift
2009/5/12
Following the first report in which the characteristics of transverse porpoising of a drifting planing craft in calm water were experimentally shown and the mechanism of transverse porpoising was clar...
On the Influence of Loading Condition on Characteristics of Hydrodynamic Forces in Steering Motion—Study with a Component-Type Mathematical Model—
Hydrodynamic Forces Acting on a Hull Component-type Mathematical Model Loading Condition Coefficient of Hydrodynamic Characteristics
2009/5/12
The authors have developed a component-type mathematical model of hydrodynamic forces acting on a ship hull in steering motion that is deduced from the simplified vortex model. This mathematical model...
A Study on Automatic Ship Berthing Using Parallel Neural Controller(2nd Report)—Motion Identification Considering Lateral Speed and Angular Velocity to cope with Disturbances—
Automatic Ship Berthing Motion Identification Neural Networks Control
2009/5/12
In this paper, motion identification using ANN and its application to automatic ship berthing will be discussed. Motion identification method is adopted to estimate the effect of disturbances and then...
Hydrodynamic Forces Acting on Floating Breakwater using Submerged Plate and Its Motion
Breakwater Submerged Plates Hydrodynamic Forces Motions
2009/5/12
The new-type breakwater system that consists of the submerged horizontal plates, so-called Floating Breakwater using Submerged Plate (FBSP), has been proposed, in order to preserve the environment. Th...
Variational Principle for Determining the Unknown Wetted Surface of a Planing Ship in Periodic Motion
Plaining Plate Unknown Wetted Length Radiation Problem Adjoint Variational Principle Reverse Flow
2009/5/12
A variational principle is presented to solve the boundary-value problem with the unknown wetted surface of a planing ship in periodic motion. The boundary-value problem is solvable uniquely under the...
A Consideration on Nonlinear Component of Maneuvering Hydrodynamic Force from Segmented Model Test Results-Hydrodynamic Force on Ship Hull in Turning Motion
Maneuverability Hydrodynamic Forces Nonlinear Component Segmented Model Turning Motion
2009/5/12
In order to clarify availability of the so-called cross-flow model, some model experiments on longitudinal distribution of lateral force on a ship hull were carried out with the segmented model. Later...
Effects of sway motion on roll reduction performance of an Anti-Rolling Tank
sway motion roll reduction performance Anti-Rolling Tank
2009/4/30
Effects of sway motion on roll reduction performance of a U-tube-type anti-rolling tank are experimentally investigated. Forced rolling and swaying tests of an anti-rolling tank model show that the w...
The shape and swimming method of fish vary in accordance with their environment and fish have high maneuverability in water. It is believed that studies on how fish swim can suggest a new effective pr...
Development of motion simulator of ice pieces around ship hull for evaluation of icebreaker performance
motion simulator ship hull icebreaker performance
2009/4/22
To estimate the performance and risk of an icebreaker, we are developing a numerical simulator for icebreaker performance under conditions that many ice pieces colliding and scraping against the icebr...
An Estimation of Flow Field around a Ship in Oblique Motion by a Three Dimensional Vortex Method
vortex method flow field
2009/3/30
Present study applies a three-dimensional vortex method to estimate the flow field around a container ship in oblique motion.
A simulation method for the maneuvering motion of a towed ship in still water is presented. A 2D lumped mass method is employed for expressing the dynamics of the towing cable. The motion equations of...