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Research on dynamic characteristics of large deformation shearer cable based on absolute node coordinate formulation
Lijuan Zhao1,2,3, Haining Zhang1, Feng Gao4
1School of Mechanical Engineering, Liaoning Technical University, Fuxin, China.
Plos One
|February 10, 2023
Summary
This study calibrates shearer cable mechanical parameters using homogenization theory and finite element analysis. A virtual prototype model analyzes cable dynamics for improved intelligent coal mining operations.
Area of Science:
- Mechanical Engineering
- Materials Science
- Mining Engineering
Background:
- Intelligent coal mining demands enhanced service life and dynamic reliability of shearer cables.
- Current cable design struggles to account for complex mining conditions and dynamic towing systems.
Purpose of the Study:
- To develop a method for accurately determining the dynamic characteristics of shearer cables.
- To improve the design and dynamic reliability of cables used in intelligent coal mining.
Main Methods:
- Applied homogenization theory and volume average principle to model cables as orthotropic elastomers.
- Combined tensile experimental and finite element methods to calibrate equivalent mechanical parameters.
- Utilized the Absolute Node Coordinate Formulation (ANCF) for a rigid-flexible coupled virtual prototype co-simulation model.
Main Results:
- Obtained kinetic and kinematic parameters for each node in the shearer cable towing system.
- Analyzed the dynamic gradual change characteristics of the cable across different working areas.
Conclusions:
- The developed research method is significant for acquiring dynamic characteristic parameters of shearer cables.
- This approach offers theoretical importance and engineering value for optimal cable design and dynamic reliability in mining.
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