搜索结果: 1-14 共查到“船舶与海洋工程 optimization”相关记录14条 . 查询时间(0.126 秒)
Development of User-Friendly Generalized Optimization System
Nonlinear Programming SQP GA CORBA Ship Design
2009/5/18
This paper describes recently developed general-purpose optimization system, in which users are able to set up the optimization problem without knowledge of system coding. Currently two optimization a...
An Optimization Method for Full Form Ships Using a Simple Prediction of the Thrust Deduction Factor
Optimization Minimum Thrust Deduction Factor Nonlinear Programming
2009/5/12
Developing full form ship with maximum efficiency self-propulsion factors (t: Thrust deduction factor, ωs: Wake fraction, ηr: Relative rotative efficiency) is as important as developing one with light...
Optimization of Block Allocation in Assembly Area Using Simulated Annealing Method
Block Allocation Assembly Area Simulated Annealing Method SA
2009/4/30
The scheduling of assembly process of hull blocks is very important to rationalize the total construction scheduling because the block assembly is in the middle of the manufacturing process between fa...
A Shape Optimization System of Ship Structures Using a Function Recognizing Structure Members- Shape Optimization of Double Bottom Part of Ship Structure -
Shape Optimization System Ship Structures Function Recognizing Structure Members
2009/4/29
A structure optimization for the initial design stage using FEM of ship is under consideration in this paper. General bulk carrier is selected for the object of the optimization. Shapes of a bottom st...
Optimization of Arrangement of Longitudinal Stiffeners on Shell Plate at Fore and Aft Parts of Vessels
Longitudinal Stiffeners Shell Plate Vessels
2009/4/1
Since the hull form of ship gets slim at fore and aft parts, the arrangement of longitudinal stiffeners on curved shell plate at the parts is difficult compared with midship part. The design of longit...
Optimization of Torch Movements of Welding and Cutting Using Ant Colony Method
Optimization of Torch Movements Welding Cutting Ant Colony Method
2009/4/1
Though many methods are applied to solve the combinatorial optimization problem, there are many cases in which the solution can not be solved in practical computation time, even if the computer become...
The optimization of sea transportation system between Japan and China using genetic local search method
transportation system optimize
2009/3/30
To optimize sea transportation system between Japan and China, this paper proposes a new method.
Development and Verification of High Performance CAD/CFD Integrated Optimization System
High Performance CAD/CFD
2009/3/30
The present study developed a CFD based hydrodynamic shape optimization system which contains CAD based shape representation module and high performance optimization module. The sequential quadratic p...
Optimization of Maritime Container-Transportation Network Through the Use of Genetic Algorithm
Container-Transportation Genetic Algorithm
2009/3/30
Recently, the amount of international maritime container-cargo movement has seen a dramatic increase, especially in East Asia. In response, shipping companies have formed strategic alliances and have ...
Study on Multiobjective Hull Optimization for Reducing Wave-making Resistance and Wave-breaking
wave-making observing
2009/3/27
Ships with underwater acoustic equipments are required high propulsive performance and low noise. This requirement means, from view point of wave-making characteristics, these kinds of ships need hull...
Optimization of Welding Route by Automatic Machine Using Reinforcement Learning Method
hull block grillage structure
2009/3/27
A hull block is generally composed of skin plates, longitudinals and transverse webs as a grillage structure, and longitudinals and transverse webs are joined by fillet weld on a skin plate panel.
Practical Optimal Design of Mid-ship Section and Development of High-speed Optimization System
Mid-ship Section High-speed Optimization
2009/3/27
A high-speed optimization system, which can be connected to user-friendly evaluating design candidates system, is developed here in order for handling a large number of de`sign variables with aim of s...
Study on Multiobjective Hull Optimization for Reducing Resistance in Still Water and Added Resistance in Waves-Multiobjective Optimization using Real-coded Genetic Algorithm-
Multiobjective Hull Optimization Reducing Resistance Still Water Added Resistance Real-coded Genetic Algorithm
2009/3/26
Practical ships need to have low total resistance in waves. The present paper proposes a hull optimization method for reducing resistance in still water and added resistance in wave, using the real-co...
Shape and Size Optimization of Bottom Part of Ship Structure by Independent Mesh-subdivision Technique with Aide of Multiple Point Constraint
Ship Structure Independent Mesh-subdivision Technique Multiple Point Constraint
2009/3/26
A structure optimization for the initial design of ship is under consideration in this paper. A bulk career is selected for the object of the optimization. Both the shapes and the plate thicknesses ...