caa a22 4500 475814193 CHVBK 20180406123805.0 cr unu---uuuuu 170329e20001201xx s 000 0 eng 10.1007/PL00001068 doi (NATIONALLICENCE)springer-10.1007/PL00001068 Damage Localization as a Possible Precursor of Earthquake Rupture [Elektronische Daten] [H.L. Li, Y.L. Bai, M.F. Xia, F.J. Ke, X.C. Yin] —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. Birkhauser Verlag Basel,, 2000 Key Words: Heterogeneous medium, rupture, statistical mesoscopic damage mechanics, dynamic function of damage, damage localization nationallicence Li H.L. State Key Laboratory of Non-linear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China. E-mail: lihl@lnm.imech.ac.cn, CN aut Bai Y.L. State Key Laboratory of Non-linear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China. E-mail: lihl@lnm.imech.ac.cn, CN aut Xia M.F. State Key Laboratory of Non-linear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China. E-mail: lihl@lnm.imech.ac.cn, CN aut Ke F.J. State Key Laboratory of Non-linear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China. E-mail: lihl@lnm.imech.ac.cn, CN aut Yin X.C. State Key Laboratory of Non-linear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China. E-mail: lihl@lnm.imech.ac.cn, CN aut https://doi.org/10.1007/PL00001068 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/PL00001068 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Li H.L. State Key Laboratory of Non-linear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China. E-mail: lihl@lnm.imech.ac.cn, CN aut NATIONALLICENCE 700 1- Bai Y.L. State Key Laboratory of Non-linear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China. E-mail: lihl@lnm.imech.ac.cn, CN aut NATIONALLICENCE 700 1- Xia M.F. State Key Laboratory of Non-linear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China. E-mail: lihl@lnm.imech.ac.cn, CN aut NATIONALLICENCE 700 1- Ke F.J. State Key Laboratory of Non-linear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China. E-mail: lihl@lnm.imech.ac.cn, CN aut NATIONALLICENCE 700 1- Yin X.C. State Key Laboratory of Non-linear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China. E-mail: lihl@lnm.imech.ac.cn, CN aut Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer