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Fault Roughness and Multiphysics
Relevant talk:
Mengsu Hu. Modeling chemo-mechanical effects on multiscale roughness. Berkeley Seismology Lab Seminar. January 23, 2024. Berkeley, CA.
Fault Contacts States
Shearing of Two Intersecting Fractures
Simplifying a DFN with Major Path(s)
Paper:
Hu, Mengsu, Tsubasa Sasaki, Jonny Rutqvist, and Jens Birkholzer. "A new simplified discrete fracture model for shearing of intersecting fractures and faults." Rock Mechanics and Rock Engineering 57, no. 8 (2024): 5447-5463.
Benchmarks of Simplified DFN Model
Paper:
Hu, Mengsu, Jeoung Seok Yoon, Tsubasa Sasaki, Hejuan Liu, Zhaofeng Wang, Jung-Wook Park, Chan-Hee Park, Jonny Rutqvist, Olaf Kolditz, and Jens Birkholzer. "Benchmark study of a new simplified DFN model for shearing of intersecting fractures and faults." Geomechanics for Energy and the Environment 41 (2025): 100644.
Shearing of Rough Faults
rough fault shearing.mp4Stick-slip behavior was observed along with dynamic redistribution of the stress
Transition from small transitional displacements to large rotational displacements was observed to due to changes in contact areas
Three Scales of Friction for Granular Shear
Paper:
Hu, Mengsu. "Three Scales of Friction for Granular Shear." In preparation
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