© TOWARDS A CANONICAL ELASTOPLASTIC DAMAGE MODEL TAHER, SEF; BALUCH, MH; ALGADHIB, AH PERGAMON-ELSEVIER SCIENCE LTD, ENGINEERING FRACTURE MECHANICS; pp: ; Vol: 48 King Fahd University of Petroleum & Minerals Summary Fundamental aspects of elastoplastic damage are outlined. Time-independent isotropic damage is considered in order to study material degradation. By splitting the total strain tensor into its components of elastic damage and plastic damage and using recoverable energy equivalence, three distinct modes of behavior are particularized. For each mode of behavior, a suitable damage variable is culled. An in-depth analysis of this formulation reveals a certain incongruity in the assumptions postulated in some of the previously proposed models. The suggested generalized concepts are supported by experimental evidence. References: BAZANT ZP, 1979, J ENG MECH DIV ASCE, V105, P407 BAZANT ZP, 1980, J ENG MECHANICS DIVI, V106, P929 BAZANT ZP, 1991, J ENG MECH-ASCE, V117, P2609 CHABOCHE JL, 1987, NUMERICAL METHODS FR, P309 CHOW CL, 1987, DEC P ASME WINT ANN, P1 CHOW CL, 1987, ENG FRACT MECH, V27, P547 CORDEBOIS JP, 1982, J MECANIQUE THEOR AP DAFALIAS YF, 1977, INT J NONLINEAR MECH, V12, P327 DAFALIAS YF, 1977, INT J SOLIDS STRUCT, V13, P239 DAFALIAS YF, 1978, PVPPB028 ASME SER, P29 DAFALIAS YF, 1981, P IUTAM C PHYSICAL N DRAGON A, 1979, INT J ENG SCI, V17, P121 DRAGON A, 1985, ENG FRACT MECH, V21, P875 DRAGON A, 1985, MECH MATER, V4, P95 ELICES M, 1989, FRACTURE MECH CONCRE, P16 FRANTZISKONIS G, 1986, THESIS U ARIZONA TUC FRANTZISKONIS G, 1987, INT J SOLIDS STRUCT, V23, P733 Copyright: King Fahd University of Petroleum & Minerals;

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