In this paper,numerical modeling and model testing of a complex-shaped remotely-operated vehicle(ROV) were shown.The paper emphasized the systematic modeling of hydrodynamic damping using the computational fluid dyn...In this paper,numerical modeling and model testing of a complex-shaped remotely-operated vehicle(ROV) were shown.The paper emphasized the systematic modeling of hydrodynamic damping using the computational fluid dynamic software ANSYS-CFXTM on the complex-shaped ROV,a practice that is not commonly applied.For initial design and prototype testing during the developmental stage,small-scale testing using a free-decaying experiment was used to verify the theoretical models obtained from ANSYS-CFXTM.Simulation results are shown to coincide with the experimental tests.The proposed method could determine the hydrodynamic damping coefficients of the ROV.展开更多
1 Introduction The Haidou-1 Autonomous and Remotely-operated Vehicle(hereinafter referred to as Haidou-1)(Fig.1)has been developed to address the significant demands for core key technologies and equipment in China’s...1 Introduction The Haidou-1 Autonomous and Remotely-operated Vehicle(hereinafter referred to as Haidou-1)(Fig.1)has been developed to address the significant demands for core key technologies and equipment in China’s deep and distant seas.The vehicle is capable of covering all global ocean depths up to a maximum of 11000 meters.Full-ocean-depth underwater vehicles represent one of the highest technological and capability benchmarks in current international marine science research.展开更多
文摘In this paper,numerical modeling and model testing of a complex-shaped remotely-operated vehicle(ROV) were shown.The paper emphasized the systematic modeling of hydrodynamic damping using the computational fluid dynamic software ANSYS-CFXTM on the complex-shaped ROV,a practice that is not commonly applied.For initial design and prototype testing during the developmental stage,small-scale testing using a free-decaying experiment was used to verify the theoretical models obtained from ANSYS-CFXTM.Simulation results are shown to coincide with the experimental tests.The proposed method could determine the hydrodynamic damping coefficients of the ROV.
文摘1 Introduction The Haidou-1 Autonomous and Remotely-operated Vehicle(hereinafter referred to as Haidou-1)(Fig.1)has been developed to address the significant demands for core key technologies and equipment in China’s deep and distant seas.The vehicle is capable of covering all global ocean depths up to a maximum of 11000 meters.Full-ocean-depth underwater vehicles represent one of the highest technological and capability benchmarks in current international marine science research.