Calibration of Discrete Element Method Parameters for a High-Fidelity Lunar Regolith Simulant Considering the Effects of Realistic Particle Shape

The Discrete Element Method (DEM) is an important tool for investigating the geotechnical properties of lunar regolith. The accuracy of DEM simulations largely depends on precise particle modeling and the appropriate selection of mesoscopic parameters. To enhance the reliability and accuracy of the...

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Veröffentlicht in:	Materials 2024-09, Vol.17 (19), p.4789
Hauptverfasser:	Zhou, Ningxi, Chen, Jian, Tian, Ning, Tian, Kaiwei, Huang, Juehao, Wu, Peng
Format:	Artikel
Sprache:	eng
Schlagworte:	Accuracy Analysis Angle of repose Calibration Coefficient of friction Density Discrete element method Error analysis Gravity Lunar soil Lunar surface Machine learning Mechanical engineering Mechanical properties Methods Moon Morphology Optimization Parameters Particle shape Regolith Regression models Reliability Rolling resistance Shape effects Shear strength Simulation Simulation methods Sliding friction Surface energy
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