An elasto-viscoplastic model for diatomaceous mudstone and numerical simulation of compaction bands

International Journal for Numerical and Analytical Methods in Geomechanics

Volumn 35, Issue 2, 2011, Pages 244-263

  Oka, F ^a   Kimoto, S ^a   Higo, Y ^a   Ohta, H ^a   Sanagawa, T ^a   Kodaka, T ^b  

^a KYOTO UNIVERSITY   (Japan)

^b MEIJO UNIVERSITY   (Japan)

Author keywords

Compaction bands; Image analysis; Porous mudstone; Strain localization; Viscoplastic model

Indexed keywords

BIOT'S THEORY; BOUNDARY PROBLEMS; COMPACTION BANDS; DEFORMATION BAND; ELASTO-VISCOPLASTIC MODELS; EXPERIMENTAL STUDIES; FINITE ELEMENT; HIGH CONFINING PRESSURE; LABORATORY TEST; LARGE DEFORMATIONS; LOCAL STRAIN FIELD; MICROSTRUCTURAL DEGRADATION; NUMERICAL SIMULATION; POROUS MUDSTONE; POROUS ROCKS; PRINCIPAL STRESS; SOFT ROCKS; STRAIN LOCALIZATION; STRAIN LOCALIZATIONS; STRESS-STRAIN; TRIAXIAL COMPRESSION TESTS; TRIAXIAL TEST; TWO PHASE MIXTURES; UPDATED LAGRANGIAN FORMULATIONS; VISCOPLASTIC MODELS; VOLUMETRIC COMPRESSIONS;

COMPRESSION TESTING; COMPUTER SIMULATION; DEFORMATION; IMAGE ANALYSIS; MATHEMATICAL MODELS; NUMERICAL ANALYSIS; ROCKS; TESTING; VISCOPLASTICITY;

COMPACTION;

BIOT THEORY; COMPACTION; COMPRESSIVE STRENGTH; COMPUTER SIMULATION; CONFINING PRESSURE; DEFORMATION MECHANISM; DIATOMITE; ELASTOPLASTICITY; EXPERIMENTAL STUDY; FINITE ELEMENT METHOD; MICROSTRUCTURE; MUDSTONE; NUMERICAL MODEL; POROUS MEDIUM; ROCK MECHANICS; SOFT ROCK; STRAIN ANALYSIS; STRAIN RATE; TRIAXIAL TEST; VISCOPLASTICITY;

EID: 78751488089     PISSN: 03639061     EISSN: 10969853     Source Type: Journal    
DOI: 10.1002/nag.987     Document Type: Article

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