Numerical Simulation of Submarine Shaft-Rate Electric Field Based on COMSOL Finite Element

  • Dehong Liu
  • Jianchun ZhangEmail author
  • Xiangjun Wang
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 1060)


In order to overcome the shortcomings of traditional electric dipole modeling which cannot reflect the distribution of shaft-rate electric field and hull potential in the impressed current cathodic protection system (ICCP), the hull and propeller material, hull surface coating, the number and position of the anodes for ICCP are modeled based on COMSOL multi-physical field coupled finite element method. Dirichlet boundary condition is used to numerically calculate the distribution of the shaft-rate electric field at the 20 m plane underwater under breaking away ICCP switch conditions. The simulation results show that the influence of the protection current of ICCP on the potential distribution of hull and the shaft-rate electric field distribution can be calculated by using the multi-physical field coupled finite element method. When the protection current is set reasonably, it can restrain the corrosion of ship hull and the shaft-rate electric field.


Impressed current cathodic protection system Shaft-rate electric filed Ship potential Finite element method 



This work was supported by the National Natural Science Foundation of China [grant number: 41476153] and Key Scientific Research Projects of City College of Wuhan University of Science and Technology [grant number: 2018CYZDKY002].


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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.City College of Wuhan University of Science and TechnologyWuhanChina
  2. 2.Naval University of EngineeringWuhanChina

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