Simulation of Dive Motion of a Deep Manned Submersible
Author(s): MA Ling, CUI Weicheng
Pages: 31-38
Year: 2004 Issue: 3
Journal: JOURNAL OF SHIP MECHANICS
Keyword: deep manned submersible; dive motion; simulation; GRNN; hydrodynamic force;
Abstract: In order to predict the dive motion of a deep manned submersible currently developed in China,a three-degree-of-freedom dynamic model is developed to simulate its dive motion restricted in the vertical plane. Being the nonlinear function of attack angle, the hydrodynamic forces acting upon the submersible are determined by a towing tank test. Based on these experimental values,the hydrodynamic forces are identified by a general regression neural network (GRNN) over a wide range of attack angles. Results of numerical examples are presented in this paper to explain practical applications of the method.
Pages: 31-38
Year: 2004 Issue: 3
Journal: JOURNAL OF SHIP MECHANICS
Keyword: deep manned submersible; dive motion; simulation; GRNN; hydrodynamic force;
Abstract: In order to predict the dive motion of a deep manned submersible currently developed in China,a three-degree-of-freedom dynamic model is developed to simulate its dive motion restricted in the vertical plane. Being the nonlinear function of attack angle, the hydrodynamic forces acting upon the submersible are determined by a towing tank test. Based on these experimental values,the hydrodynamic forces are identified by a general regression neural network (GRNN) over a wide range of attack angles. Results of numerical examples are presented in this paper to explain practical applications of the method.
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