A two-phase debris-flow model that includes coupled evolution of volume fractions, granular dilatancy, and pore-fluid pressure

International Conference on Debris-Flow Hazards Mitigation: Mechanics, Prediction, and Assessment, Proceedings

Volumn , Issue , 2011, Pages 415-424

  George, David L ^a   Iverson, Richard M ^a  

^a U S GEOLOGICAL SURVEY   (United States)

Author keywords

Debris flow; Dilatancy; Pore pressure

Indexed keywords

BALANCE OF FORCE; COUPLED EVOLUTION; DEBRIS FLOWS; DILATANCY; DOWNSLOPE; EXPERIMENTAL DATA; FLOW ACCELERATION; FLOW DEPTH; FLUID VOLUME FRACTION; GRAIN CONTACTS; INTERGRANULAR; LARGE SCALE EXPERIMENTS; MODEL PREDICTION; NORMAL STRESS; NUMERICAL PREDICTIONS; ONE-DIMENSIONAL MOTIONS; PORE FLUID PRESSURE;

ACCELERATION; FINITE VOLUME METHOD; FORECASTING; HAZARDS; MATHEMATICAL MODELS; PORE PRESSURE;

DEBRIS;

EID: 84861621208     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.4408/IJEGE.2011-03.B-047     Document Type: Conference Paper

References (22)

1. BEAR J. (1972) - Dynamics of fluids in porous media. Dover, New York.
2. BERGER M.J., GEORGE D.L., LEVEQUE R.J. & MANDLI K.T. (in press) - The GEOCLAW software for depth-averaged flows with adaptive refinement, Adv. Water Resources.
3. CASSAR C., NICOLAS M. & POULIQUEN O. (2005) - Submarine granular flows down inclined planes. Physics of Fluids, 17: 103301.
4. COURRECH DU PONT S., GONDRET P., PERRIN B. & RABAUD M. (2003) - Granular avalanches in fluids. Physical Rev. Let., 90: 044301.
5. FORTERRE Y. & POULIQUEN O. (2008) - Flows of dense granular media. Annual Rev. Fluid Mech., 40: 1-24.
6. GRAY J.M.N.T & ANCEY C. (2009) - Segregation, recirculation and deposition of coarse particles near two-dimensional avalanche fronts. J. Fluid Mech., 629: 387-423 doi: 10.1017/S0022112009006466.
7. IVERSON R.M. (1997) - The physics of debris flows. Reviews of Geophysics, 35: 245-296.
8. IVERSON R.M. (2003) - The debris-flow rheology myth. In RICKENMANN D. & CHEN C.-L., EDS., Debris-flow Hazards Mitigation: Mechanics, Prediction, and Assessment, v. 1:303-314, Millpress, Rotterdam,.
9. IVERSON R.M. (2005) - Regulation of landslide motion by dilatancy and pore-pressure feedback. J. Geophys. Res., 110: F02015 doi: 10.1029/2004JF000268.
10. IVERSON R.M. (2009) - Elements of an improved model of debris-flow motion. Powders and Grains 2009 (Proc. Sixth Intl. Conf. Micromech. Granular Media), M. Nakagawa and S. Luding, eds., Amer. Inst. Physics, Melville, New York, 9-16.
11. IVERSON R.M. & DENLINGER R.P. (2001) - Flow of variably fluidized granular masses across three-dimensional terrain: I. Coulomb mixture theory. J. Geophys. Res., 106: 537-552.
12. IVERSON R.M. & LAHUSEN R.G. (1993) - Friction in debris flows: inferences from large-scale flume experiments. Hydraulic Engineering '93 (Proc. 1993 Conf. Hydr. Div. Amer. Soc. Civil Engineers) v. 2: 1604-1609.
13. IVERSON R.M., LOGAN M., LAHUSEN R.G. & BERTI M. (2010) - The perfect debris flow? aggregated results from 28 large-scale experiments. J. Geophys. Res., 115: F03005 doi: 10.1029/2009JF001514.
14. IVERSON R.M., REID M.E., IVERSON N.R., LAHUSEN R.G., LOGAN M., MANN J.E., & BRIEN D.L. (2000) - Acute sensitivity of landslide rates to initial soil porosity. Science, 290: 513-516.
15. JOHNSON G., MASSOUDI M. & RAJAGOPAL K.R. (1990) - A review of interaction mechanisms in fluid-solid flows. Tech. Rep. DOE/PETC/TR-90/9, U.S. Dep. of Energy, Pittsburgh Energy Tech. Ctr., Pittsburgh, USA, 54 pp.
16. LEVEQUE R.J. (2002) - Finite volume methods for hyperbolic problems. Cambridge Univ. Press, Cambridge, U.K.
17. PAILHA M. & POULIQUEN O. (2009) - A two-phase flow description of the initiation of underwater granular avalanches. J. Fluid Mech., 633: I15-I35 doi: 10.1017/S0022II2009007460.
18. SAVAGE S.B. & HUTTER K. (1989) - The motion of a finite mass of granular material down a rough incline. J. Fluid Mech., 199: 177-215.
19. SAVAGE S.B. & IVERSON R.M. (2003) - Surge dynamics coupled to pore-pressure evolution in debris flows. In: RICKENMANN D. & CHEN C.-L., EDS. Debris-flow Hazards Mitigation: Mechanics, Prediction, and Assessment, vol. 1: 503-514, Millpress, Rotterdam,
20. SCHOFIELD A.N. & WROTH C.P. (1968) - Critical State Soil Mechanics. London, McGraw-Hill.
21. SHAMY U.E. & ZEGHAL M. (2005) - Coupled continuum-discrete model for saturated granular materials. J. Engrg. Mech., 131: 413-426.
22. WANG G. & SASSA K. (2003) - Pore-pressure generation and movement of rainfall-induced landslides: effects of grain size and fine-particle content. Eng. Geology, 69: 109-125.