Summary

This paper investigates the mechanical properties and failure modes of QH-E lunar soil simulant at low confining stresses using DEM simulations. The results show that peak stress, residual stress, and axial strain decrease with increasing porosity and increase with friction coefficient. The V-type shear zone is the main failure mode under low confining stress. This paper presents a discrete element model (DEM) of QH-E lunar soil simulant under low confining stresses. The simulant's mechanical properties are studied using PFC3D simulations, with parameters calibrated based on experimental data. The study focuses on deviator stress-axial strain curves and failure modes. This paper presents a study on the mechanical behavior of QH-E lunar soil simulant under low confining stresses using PFC3D simulations and experimental data. The simulant's properties, including porosity and friction coefficient, are analyzed for their impact on peak strength and stress-strain curves. The results show that porosity has a stronger effect on peak strength than friction coefficient. This paper presents discrete element modeling (DEM) of QH-E lunar soil simulant under low confining stresses. It discusses

Methods and applications