Finite element modeling method and device for fish-fluctuation-imitating underwater robot and storage medium
Through the finite element modeling method and dynamic grid method, three-dimensional modeling and hydrodynamic analysis of the fish-like fluctuating underwater robots was solved, and the problem of low accuracy of hydrodynamic simulation of underwater robots in complex environments was achieved, and higher simulation accuracy and task control capabilities were achieved.
CN119692096APending Publication Date: 2025-03-25INST OF AUTOMATION CHINESE ACAD OF SCI
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Patent Information
- Application Number
- CN202411654880.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-03-25
AI Technical Summary
Technical Problem
In the prior art, the hydrodynamic simulation of underwater robots acting on underwater robots in complex environments is low, making it difficult to control the underwater robots to complete tasks.
Method used
The finite element modeling method is used to model the cabin and robotic arms of the fluctuating fish underwater robot in three-dimensional form, and the dynamic grid method is used to obtain the grid to simulate the fluid dynamic effects generated by the movement of the wave fins, and dynamic analysis is performed by adjusting the grid density and using the turbulence model.
Benefits of technology
It improves the accuracy of hydrodynamic simulation of underwater robots in complex environments and can better control the tasks of underwater robots.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention provides a finite element modeling method and device for a fish-fluctuation-imitating underwater robot and a storage medium. The finite element modeling method of the fish-fluctuation-imitating underwater robot comprises the steps that three-dimensional modeling is conducted on a cabin and a mechanical arm of the fish-fluctuation-imitating underwater robot; a dynamic grid method is used for obtaining a grid corresponding to the fish-simulating fluctuation underwater robot obtained through modeling, a grid corresponding to a fluctuation fin of the fish-simulating fluctuation underwater robot and a grid corresponding to surrounding fluid of the fish-simulating fluctuation underwater robot; the grid is used for simulating the fluid dynamic effect generated by the motion of the undulating fin. According to the finite element modeling method and device for the fish-fluctuation-imitating underwater robot and the storage medium provided by the invention, simulation can be carried out on ship and arm collaborative operation of the fish-fluctuation-imitating underwater robot in fluid, and the flow field change, the cabin stress condition and the power generation condition of fluctuation fin movement can be tested and recorded; and the accuracy of hydrodynamic simulation acting on the underwater robot in a complex environment is improved.
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