Summary

This paper investigates the dynamic characteristics of QH-E lunar soil simulant under cyclic triaxial tests using DEM. It discusses the effects of number of cycles, loading frequency, waveform, CSR, and confining pressure on dynamic modulus, axial strain, and damping ratio. Results show unique dynamic behavior under specific CSR conditions. The paper presents a Discrete Element Method (DEM) simulation study on the dynamic characteristics of a lunar soil simulant under cyclic triaxial loading. The study investigates the effects of loading frequency, waveform, cyclic stress ratio (CSR), and confining pressure on the dynamic modulus and damping ratio of the simulant. The results show that the dynamic modulus and damping ratio are influenced by these parameters, with higher confining pressures generally leading to increased stiffness and reduced damping. The findings contribute to the understanding of the mechanical behavior of lunar soil simulants under dynamic loading conditions, which is crucial for the design of lunar exploration equipment and structures. The provided text appears to be a series of URLs and file names related to images and thumbnails, likely from an academic or res

Methods and applications