Damage Localization as a Possible Precursor of Earthquake Rupture Export

@article{citeulike:3801625, abstract = {\&\#151;Based on the concepts of statistical mesoscopic damage mechanics, the rupture of a heterogeneous medium is investigated in terms of numerical simulations of a network model, subjected to simple shear loading. The heterogeneities are simulated by varying the sizes and fracture strains of the elements of the network. Progressive damage is governed by a damage field equation and a dynamic function of damage (DFD). From the damage field equation, a criterion for damage localization can be derived, and the DFD can be extracted from the simulations of the network. Importantly, the DFD intrinsically governs the damage localization. Both stress-free and periodic boundary conditions for the network are examined. It is found that damage localization may be the underlying mechanism of eventual rupture and thus could be used as a possible precursor of earthquake rupture.}, author = {{,} and Li, H. L. and {,} and Bai, Y. L. and {,} and Xia, M. F. and {,} and Ke, F. J. and {,} and Yin, X. C.}, citeulike-article-id = {3801625}, citeulike-linkout-0 = {http://dx.doi.org/10.1007/PL00001068}, citeulike-linkout-1 = {http://www.springerlink.com/content/j4ljcd4y2tq2u9u1}, day = {1}, doi = {10.1007/PL00001068}, journal = {Pure and Applied Geophysics}, keywords = {earthquake}, month = {December}, number = {11}, pages = {1929--1943}, posted-at = {2008-12-17 15:25:30}, priority = {4}, title = {Damage Localization as a Possible Precursor of Earthquake Rupture}, url = {http://dx.doi.org/10.1007/PL00001068}, volume = {157}, year = {2000} }

TY - JOUR ID - citeulike:3801625 L3 - citeulike-article-id:3801625 N2 - —Based on the concepts of statistical mesoscopic damage mechanics, the rupture of a heterogeneous medium is investigated in terms of numerical simulations of a network model, subjected to simple shear loading. The heterogeneities are simulated by varying the sizes and fracture strains of the elements of the network. Progressive damage is governed by a damage field equation and a dynamic function of damage (DFD). From the damage field equation, a criterion for damage localization can be derived, and the DFD can be extracted from the simulations of the network. Importantly, the DFD intrinsically governs the damage localization. Both stress-free and periodic boundary conditions for the network are examined. It is found that damage localization may be the underlying mechanism of eventual rupture and thus could be used as a possible precursor of earthquake rupture. IS - 11 JF - Pure and Applied Geophysics EP - 1943 TI - Damage Localization as a Possible Precursor of Earthquake Rupture VL - 157 SP - 1929 KW - earthquake AU - Li, HL AU - Bai, YL AU - Xia, MF AU - Ke, FJ AU - Yin, XC PY - 2000/12/01/ UR - http://dx.doi.org/10.1007/PL00001068 ER -