Program code

Method

Applicable stages/processes

Coupling of processes

Remarks

SFV (Willis-Richards, 1995)

Semi-analytical

Simulation/elastic, joint stiffness

H-M, M-H

Penny-shaped crack aggregate

FFD (Willis-Richards, 1995)

Semi-analytical

Heat extraction/hydraulic, thermal

H-T, T-H

Penny-shaped crack aggregate

FRIP (Cundall et al., 1978; Markland, 1991)

DEM

Simulation/hydraulic, elastic, joint stiffness, heat transfer

H-M, M-H, H-T, T-M

Rock Flow (Kolditz, 1995a, 1995b)

FEM

Heat extraction/hydraulic, thermal

H-T, T-H

Vychytil and Horii (1999)

FEM

Simulation/hydraulic, elastic, joint stiffness

H-M, M-H

Micromechanics based Continuum modelling

FEHM (Zyvoloski, 1983; Zyvoloski et al., 1998)

FEM

Heat extraction/hydraulic, thermal

H-T, T-H

Doubleporosity

GEOTH3D (Yamamoto et al., 1995, 1996)

FDM

Heat extraction/hydraulicthermal

H-T, T-H

Porous medium, local porosity estimated from AE

GEOCRACK (Du Teau et al., 1994; Swenson et al., 1995)

FEM

Simulation, heat extraction/hydraulic, elastic, joint stiffness

H-M, T-M, M-H, H-T, T-H

Semi-regular grid

FRACTure (Kohl et al., 1992, 1993, 1995, 1997; Kohl and Hopkirk, 1995; Hopkirk et al., 1981; Evans et al., 1992)

FEM

Simulation, heat extraction/hydraulic, thermal, poroelastic, thermoelastic, joint stiffness

H-C

Continuum

Watanabe and Takahashi (1995)

FDM

Heatextraction/hydraulic, htermal

H-T, T-H

Fractal length distribution

Willis-Richards et al. (1996)

FDM

Simulation, heat extraction/hydraulic, thermal, elastic, joint stiffness

H-M, T-M, M-H, H-T, T-H

Fractal length distribution

FRACAS (Bruel, 1993, 1995; Bruel et al., 1994; Centre d’Information Geologique, 1996)

BIM

Heat extraction/hydraulic, termal, elastic

H-T, T-H, H-M, M-H

Flow channels along stochastically generated fractures