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About

Peter Liever is a leading expert in computational gas-granular dynamics and plume-surface interaction, with a career focused on solving the extreme challenges of spacecraft landing on unprepared planetary surfaces. His primary research areas include multiphase flow physics, regolith mechanics, and aero-structural analysis for entry, descent, and landing systems. Liever’s most significant contribution is the development of the Gas-Granular Flow Solver (GGFS), a pioneering computational framework that simulates the violent liberation and transport of dust and debris particles during rocket-powered landings on the Moon and Mars. His seminal 2020 work on realistic regolith models (13 citations) and the 2018 GGFS framework (11 citations) directly address the high risks posed to robotic and human missions by plume-induced particle flows. Earlier in his career, Liever contributed to NASA’s Entry, Descent and Landing Systems Analysis study, performing aero-structural assessments of inflatable aerodynamic decelerators for large-payload Mars missions. His modeling of particle flow physics in extreme environments is critical for both safe landing operations and future in-situ resource utilization, making his work foundational for the next generation of planetary exploration.