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1

Software System Integration and Related Standards

2

The Overall Design and Development of the Solver

3

Fast Subsystem of Ships

4

Propeller Cavitation Excitation Force Subsystem

5

Seepage Resistance Subsystem of ships

6

Ship Maneuverability Subsystem

7

Sub-system of Ocean Environment Flow Field

8

Offshore Platform Motion and Load Subsystem

9

Vortex-induced Vibration / vortex-excited Motion Subsystem

10

Subsystem of Model Test of Sump Model Benchmark Test for Ships

11

Ocean Engineering Series Model Hydrodynamic Performance Benchmark Test Model Test Research Subsystem R & D

12

R & D of Sub - system of Large Sample / Ship Experimental Data for Ship and Ocean Engineering

13

Research on Intelligent Computing and Internet Service Platform
 
Research Projects

Fast Subsystem of Ships

add date:29/07/2017    hits:


1. Sub-project:Fast Subsystem of Ships

The following modules are included in this thesis:
(1) virtual calculation module of ship model resistance
Ship model resistance virtual module is discrete scheme based on finite volume method, unsteady solution module and is used to solve the ship model resistance based on the RANS equation, which is composed of three parts: preprocessing, calculating and postprocessing. The pre-processing part generates the computational domain according to the given ship model file, and divides the grid according to the user's requirement. Solution part: the turbulence model uses the two equation and the model, and has the function of dealing with the near wall function. The free surface adopts the VOF method to capture the free surface. Velocity pressure coupling contains two algorithms, SIMPLE and PISO. The convection term contains a variety of discrete schemes, such as the first order upwind scheme, the two order upwind scheme, the QUICK scheme and the TVD scheme. The diffusion term is taken as a two order central difference scheme. After treatment, the force of a particular part is detected according to the user's requirements, and the precise flow field and pressure distribution around the ship model are also given.

 

(2) the virtual calculation module of propeller open water;
The calculation of propeller module is a discrete scheme based on finite volume method, and used to solve the propeller open water characteristics and unsteady solution module based on the RANS equation, which is composed of three parts: preprocessing, calculating and postprocessing. The pre-processing part generates the computational domain according to the given propeller model file, and divides the mesh according to the user's requirement. The solution part: the turbulence model uses the two equation and so on and has the function of dealing with the near wall function. Velocity pressure coupling contains two algorithms, SIMPLE and PISO. The convection term contains a variety of discrete schemes, such as the first order upwind scheme, the two order upwind scheme, the QUICK scheme and the TVD scheme. The diffusion term is taken as a two order central difference scheme. The rotation of the propeller is achieved by using MRF or slip mesh technique. In the post-processing section, the force of a specific component is detected according to the user's requirements, and the thrust, torque, propulsive efficiency, the flow field around the propeller and the vorticity distribution are also given.
 
(3) a brief introduction to ship model self-propelled virtual computation module
Self-propelled ship model module is discrete scheme based on finite volume method, and based on the RANS equation for solving the self-propelled ship model of unsteady solution module, which is composed of three parts before processing, calculating and postprocessing. The pre-processing part generates the computational domain according to the given ship model and propeller model file, and divides the mesh according to the user's requirement. The solution part: the turbulence model uses the two equation and so on and has the function of dealing with the near wall function. Velocity pressure coupling contains two algorithms, SIMPLE and PISO. The convection term contains a variety of discrete schemes, such as the first order upwind scheme, the two order upwind scheme, the QUICK scheme and the TVD scheme. The diffusion term is taken as a two order central difference scheme. The rotation of the propeller is realized by moving mesh technique of moving mesh. In the post-processing section, the force of a particular part is detected according to the user's requirements, and the ship model resistance, propeller thrust and torque, and the precise flow field and vorticity distribution around the hull and propeller are also given.

 

2. Introduction of the person in charge of the project

 

 

Dong Guoxiang, Ph. D., researcher
 
    Dong Guoxiang: Shanghai Transportation Research Institute, male, born in September 1967, graduated from the Shanghai Jiao Tong University, Ph.D., Professor, mainly engaged in ship theoretical and Experimental Research on hydrodynamic performance, the Shanghai Shipping Research Institute of transportation department director, chief engineer, director of Key Laboratory of shipping technology transportation industry; as a member of the ITTC Advisory Committee for Shipbuilding Institute of Mechanics Committee member, editorial board of ship mechanics, peer review expert natural science foundation of China, the Ministry of EEDI members of the group; in the year 2012 the Ministry of transport young scientific talents and the title of the 2012 Shanghai leading talent title. We are now participating in and undertaking a number of national, provincial and ministerial level scientific research projects, as well as a large number of horizontal research projects, including 973 and 863, the Ministry of science and technology support program, the Ministry of science and technology, the Ministry of science and technology, the high performance ship, and so on. He won many awards of scientific and technological innovation of the Institute of navigation and the China Shipbuilding society, and actively engaged in academic exchanges and research activities. More than 30 academic papers have been issued. As the project leader, he is responsible for project planning, coordination and technical research and development of the unit.
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