Hypoplastic phase-field simulations of compaction bands

This project focuses on the development and application of advanced numerical methods to investigate the formation and evolution of compaction bands in geomaterials. Specifically, hypoplastic constitutive modeling will be coupled with a phase-field approach to provide a robust and thermodynamically consistent framework for simulating strain localization phenomena. Compaction bands, which are localized zones of intense volumetric deformation, play a critical role in influencing the mechanical behavior and permeability of porous materials such as rocks and soils. Traditional numerical methods often struggle to capture their initiation and propagation due to mesh dependency and difficulties in tracking discontinuities. To address these challenges, the proposed study employs a phase-field formulation that regularizes discontinuities and enables the seamless simulation of evolving localization patterns.