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Research Projects

Sub-project 1: Software System Integration and Investigation of Related Standards
    Undertaking Unit:Harbin Engineering University
    Person in charge:Yin Guisheng
    Brief Introduction:Based on the requirements of high-performance parallel computing and Internet remote service, the subject is driven by data management and is aiming at software development. A variety of solver software, tool software and corresponding business software are expected to be integrated as a computer system of high performance. The project will focus on realizing the systems architecture of the Numerical Tank, integration of standards, integration of middleware, resource allocation, task scheduling and integration of resource management as well as other key technologies so as to build up an efficient remote service platform for the numerical tank and provide relevant technical standards for it. Thus realizing the Internet-based integrated computing service environment for the numerical tank.

Sub-project 2: The Overall Design and Development of the Solver
    Undertaking Unit:Harbin Engineering University
    Person in charge:Zhao Binbin
    Brief Introduction:This sub-project mainly includes four parts: (1) Mesh module, which includes structured quadrilateral surface meshing module and structured hexahedral body meshing module. (2) The aero-grid-based public solution module includes an adaptive grid public data module, a pressure-velocity-coupling solution module, a turbulence solving module, a free-surface VOF module and a dynamic mesh solving module. It can provide the above five modules connected to complete the foundation of the program, which can simulate the cavity flow, dam-breaking flow, cylindrical oscillation flow. (3) Fixed regular Cartesian grid public basic solution module includes grid common data module, pressure velocity step method solution module, turbulence LES solution module, free surface high precision solution module and immersion boundary solving module. Provide the above five modules connected to complete the foundation of the program, which can simulate the cavity flow, dam-breaking flow, cylindrical oscillation flow. (4) The data visualization module includes equipment/flow field visualization module, virtual reality visualization module. The equipment/flow field visualization module can output visual graph, cloud, vector and animation based on CGNS format data file.

Sub-project 3: Ship Resistance Subsystem
    Undertaking Unit:Shanghai Ship and Shipping Research Institute
    Person in charge:Dong Guoxiang
    Brief Introduction:This sub-project includes three calculation modules: ship model self-propulsion virtual test calculation module, open water performance of propeller virtual test calculation module and ship model resistance virtual test calculation module.

Sub-project 4: Propeller Cavitation Exciting Force Subsystem
    Undertaking Unit:China Ship Scientific Research Center
    Person in charge:Zhang Zhirong
    Brief Introduction:This sub-project is suitable for evaluating the cavitation and excitation force of the three main type propellers. The subsystem includes different evaluation methods based on experimental data statistic analysis method, potential flow method, viscous flow RANS and LES method, and is used to evaluate the propeller cavitation and excitation force at different ship design stages.

Sub-project 5: Ship Seakeeping Subsystem
    Undertaking Unit:Harbin Engineering University
    Person in charge:Ma shan
    Brief Introduction:The sub-project includes four virtual test calculation modules: the green water loads virtual test calculation module, the wave resistance virtual test calculation module, the ship motion virtual test calculation module and the ship roll damping virtual test calculation module.

Sub-project 6: Ship Maneuverability Subsystem
    Undertaking Unit:Marine Design and Research Institute of China
    Person in charge:Fan Sheming
    Brief Introduction:This sub-subject includes maneuverability prediction mainly based on master-type ship database, the development of rapid self-propulsion model virtual test system, the constraint model and the self-propulsion model virtual test system.

Sub-project 7: Ocean Environment Flow Field Subsystem
    Undertaking Unit:Dalian University of Technology
    Person in charge:Dong Guohai
    Brief Introduction:The sub-project adopts a non-hydrostatic surface-flow model to simulate the propagation of ocean waves. This model is based on a single-valued function on the horizontal plane to track the water surface motion, so the model can simulate wave motion efficiently.

Sub-project 8: Offshore Platform Motion and Load Subsystem
    Undertaking Unit:Harbin Engineering University
    Person in charge: Liao Kangping
    Brief Introduction:Test of green-water, air gap and wave slamming; Target: Measure the green-water and slamming loads, determine the height between wave surface and lower deck

Sub-project 9: Vortex Induced Vibration/Vortex Induced Motion Subsystem
    Undertaking Unit:Shanghai Jiao tong University
    Person in charge:Wan Decheng
    Brief Introduction:In this sub-project, a high-precision CFD model and a highly efficient empirical prediction model are used to develop software for vortex-induced vibration of risers and vortex-excited motion of platform and to develop theoretical models and numerical methods for vortex-induced vibration and motion analysis; develop the vortex-induced vibration of fluid-structure coupling software and vortex-excited motion software based on different needs, integrated coupling of marine environmental conditions, boundary conditions, pre-processing and post-processing module and other standardized and intelligent modules and technology to build a complete vortex-induced vibration and vortex-excited motion prediction software system.

Sub-project 10: Subsystem of Model Test of Sump Model Benchmark Test for Ships
    Undertaking Unit:China Ship Scientific Research Center
    Person in charge:Wang Wentao
    Brief Introduction:YuPeng and other two ships are designed as standard model, and the data analysis as well as benchmark model test of ship resistance and propulsion, seakeeping, maneuvering, and propeller cavitation are carried out. The data includes ship model resistance, propeller open water thrust and torque, cavitation induced exciting force, ship self-propulsion, rotary hydrodynamic test, pull-out test, circular motion, zig-zag maneuvering, heave motion, pitch motion, roll motion, added resistance, acceleration et al.

Sub-project 11: Ocean Engineering Series Model Hydrodynamic Performance Benchmark Test
    Undertaking Unit:China Ship Scientific Research Center
    Person in charge:Hong Xiaofeng
    Brief Introduction:A semi-submerged ocean platform is designed as the standard model. Data analysis and benchmark model test of motion response in waves , wind/current loads, coupled motions with deep water mooring system, extreme wave air gap and slamming loads are carried out as well.

Sub-project 12: R&D of Subsystem of Large Sample/Ship Test Data for Ship and Ocean Engineering
    Undertaking Unit:China Ship Scientific Research Center
    Person in charge:Wu Chengsheng
    Brief Introduction:The data of 640 ship models, 8 typical semi-submersible ocean platforms and 40 full scale ship tests were collected. THE model test data mainly includes resistance, maneuverability, seakeeping and propeller cavitation exciting force of bulk carrier, oil tank and container ship. The type of ship covered is representative.

Sub-project 13: Research on Intelligent Computing and Internet Service Platform
    Undertaking Unit:Harbin Engineering University
    Person in charge:Han Qilong
    Brief Introduction:In response with the needs of high-performing parallel computation and Internet remote service, combining the development of relevant technologies in China and abroad, this sub-project aims to carry out research on the Numerical Tank in terms of high-performing parallel computation and management system of remote service. With the hope of making breakthroughs in the expansibility of high-performing computation and in key technologies of remote computation service, the project is expected to build up a high-performing computing environment and a remote service platform for the Numerical Tank so as to better provide technical standards and technical support, thus fulfilling the Internet-based computing service for the Numerical Tank.
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