RockFRAG

RockFRAG is a software that implements a probabilistic lumped-mass model to simulate the fragmentation and trajectory of blocks in rockfall events. Unlike existing models, it takes into account block geometry, discontinuity orientation, and rock mass conditions at the failure threshold, introducing a probabilistic energy criterion based on experimental data. It also assigns post-impact trajectories using velocity vectors derived from laboratory tests, avoiding simplistic assumptions. The software is structured into independent modules and is compatible with Windows, macOS, and Linux, and has been validated with laboratory data and real-world tests. Its modular architecture allows for the integration of new data and adaptation to complex scenarios.

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