Authors:

Aaryan Sachin Lath

Date Created:

Not specified

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About Paper:

Lunar habitats, as a payload are often overlooked during design for their susceptibility to low-frequency, long- duration vibrations from moonquakes, and require robust mitigation strategies. This study proposes a novel vibration isolation system designed to enhance the resilience and integrity of lunar structures against these chronic vibrations. This isolator operates by using a bladder system to transfer vibrational forces to surrounding Vectran straps, effectively absorbing tensile loads and mitigating the impact of vibrations. This study analyses the mechanical fatigue induced by the current Apollo Moonquake data through a case study and presents the characterization of the fatigue damage to the Vectran straps, a key component of the isolation device. The results show the potential vulnerabilities of current design practices when including fatigue as a potential failure mode. Furthermore, fatigue degradation patterns in the Vectran straps over time are presented, contributing to the development of the isolation device that addresses the challenges posed by long-duration vibrations in the lunar environment. Keywords: Vibrations; Fatigue; Dynamics; Moonquake

Source:

Purdue University / 2024

Topics:

No topics listed

Co-authors:

Aaryan Sachin Lath