搜索结果: 1-15 共查到“船舶与海洋工程 estimation”相关记录23条 . 查询时间(0.234 秒)
Multichannel Along-Track Interferometric SAR Systems: Moving Targets Detection and Velocity Estimation
Multichannel Along-Track Interferometric SAR Systems Moving Targets Detection Velocity Estimation
2009/9/3
Along-track interferometric synthetic aperture radar (AT-InSAR) systems are used to estimate the radial velocity of targets moving on the ground, starting from the interferometric phases, obtained by ...
Fish Abundance Estimation using Two-Dimensional Multibeam Echo Integration
Fish Abundance Estimation Two-Dimensional Multibeam Echo Integration
2009/8/19
The two-dimensional multibeam echo integration (2DMBEI) method, which provides the user with the target strength of a fish school, was derived analytically based on the theory of three-dimensional mul...
Measurements of Sound-Speed in the Tissue of Juvenile Southern Bluefin Tuna（Thunnus maccoyii）for Target Strength Estimation
Juvenile Southern Bluefin Tuna Thunnus maccoyii Target Strength Estimation
2009/8/19
The ratio between the speed of sound in animals and that of the surrounding water (the sound-speed contrast), particularly for fish lacking any gas-filled organs or for zooplankton, is an important pa...
A Study of Fatigue Damage Estimation in Transverse Frame of Ship Hull Structure using Pattern Load Method
Pattern Load FPSO Fatigue Damage
2009/5/12
The strength estimation of ship hull structures on the design-by-analysis including wave load, structural response and stochastic fatigue analysis is increasing in number recently due to the advance o...
Study on Estimation Method of Heat Transfer during Line-Heating Process by using Inverse Heat Conduction Analysis
Line-Heating Manufacturing Practice Heat Transfer Inverse Heat Conduction Analysis
2009/5/12
The experimental results obtained in the previous reports lead us to a new hypothesis that the relative distribution of gas temperature and local heat transfer coefficient around the torch remain unch...
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 of On-Board Monitoring and Analysis System of Ship Propulsion Performance-An Estimation Method of Propeller Performance with Surface Roughness Effects
Propeller Performance Surface Roughness Ship Propulsion Performance Monitoring
2009/5/12
The propulsion performance of actual ship at sea tends to deteriorate mainly due to the fouling of hull and propeller. It is important, therefore, to monitor the present situation of ship propulsion p...
Development of a Set of Simple Formulae for Estimation of Ultimate Strength of a Continuous Stiffened Panel under Combined Loads
Simple Formulae Continuous Stiffened Panel Combined Loads FEM
2009/4/30
The authors proposed a set of closed-form simple formulae to estimate the ultimate strength of a continuous stiffened panel under combined biaxial thrust and lateral pressure. This paper extends the a...
An Estimation of the Anti-Rolling Tank Performance for Parametric Rolling Prevention (2nd report)
Anti-Rolling Tank Performance Parametric Rolling Prevention
2009/4/29
Recently, serious accidents due to parametric rolling of container carriers and pure car carriers have been reported. For the prevention of parametric rolling, an Anti-Rolling Tank (ART) is regarded a...
A New Estimation Method of Wind Forces and Moments acting on Ships on the basis of Physical Component Models
wind forces wind moments physical component models
2009/4/29
A new method to estimate longitudinal and lateral wind forces, and yaw and heel moments for ships is presented in this paper. The proposed estimation procedure is based on physical component models of...
Estimation of Welding Distortion Using Neural Network
estimation welding distortion neural network
2009/4/29
The residual deformation induced by welding processes becomes a cause of repair work at the subsequent process. Therefore it is necessary to manage the assembly of welded structures by estimating acc...
Maximum Response Estimation by means of Design Irregular Wave
Maximum Response Estimation Design Irregular Wave
2009/4/29
Problems in producing the Design Irregular Wave were discussed in the present paper; that is, how to determine the significant wave height and the mean wave period of short-tem sea condition, and how...
Method for estimation of fracture toughness from machined-notch specimen based on the Weibull stress criterion
Kenji Sakano Daisuke Watanabe
2009/3/30
A method for the estimation of the CTOD fracture toughness δc from toughness results of bend specimens with a machined notch has been studied. The Weibull stress criterion is adopted as a brittle frac...
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 methodology to apply the Design Irregular Wave and the Direct Loading Analysis Method to estimate a maximum local stress in ship structural design was studied in the present paper. The Design Irregu...