Yang LU, Chun FENG, Pengda CHENG, Yiming ZHANG. CDEM-DEM analysis of the coupled wheel-ground dynamics behavior[J]. Optics and Precision Engineering, 2023, 31(5): 746
- Optics and Precision Engineering
- Vol. 31, Issue 5, 746 (2023)
Fig. 1. CDEM-DEM coupling method
Fig. 2. Schematic diagram of application mode of dynamic boundary conditions
Fig. 3. Comparison of prediction and simulation results
Fig. 4. Patterned wheel model
Fig. 5. Glossy wheel model
Fig. 6. T1 calculation model
Fig. 7. T2 calculation model
Fig. 8. Comparison between simulation result and experimental result
Fig. 9. T1 rutting
Fig. 10. T2 rutting
Fig. 11. Wheel speed-time diagram
Fig. 12. Kinetic energy time history
Fig. 13. Displacement cloud diagram of T1 on Y direction
Fig. 14. Displacement cloud diagram of T2 on Y direction
Fig. 15. Time history of wheel sinking depth
Fig. 16. Schematic diagram of roadblock
Fig. 17. Kinetic energy time history under roadblock condition
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Table 1. Material mechanical parameters
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