<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Chen, Y. Q.</style></author><author><style face="normal" font="default" size="100%">Yao, Z. H.</style></author><author><style face="normal" font="default" size="100%">Zheng, X. P.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">3-D numerical simulation of fracture processes in heterogeneous brittle materials</style></title><secondary-title><style face="normal" font="default" size="100%">Acta Mechanica Solida Sinica</style></secondary-title><alt-title><style face="normal" font="default" size="100%">Acta Mech Solida Sin</style></alt-title><short-title><style face="normal" font="default" size="100%">Acta Mech Solida SinActa Mech Solida Sin</style></short-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">brittle materials</style></keyword><keyword><style  face="normal" font="default" size="100%">compressive fracture</style></keyword><keyword><style  face="normal" font="default" size="100%">damage</style></keyword><keyword><style  face="normal" font="default" size="100%">fracture process</style></keyword><keyword><style  face="normal" font="default" size="100%">heterogeneous materials</style></keyword><keyword><style  face="normal" font="default" size="100%">lattice model</style></keyword><keyword><style  face="normal" font="default" size="100%">model</style></keyword><keyword><style  face="normal" font="default" size="100%">numerical simulation</style></keyword><keyword><style  face="normal" font="default" size="100%">part ii</style></keyword><keyword><style  face="normal" font="default" size="100%">rock failure</style></keyword><keyword><style  face="normal" font="default" size="100%">seismic energy-release</style></keyword><keyword><style  face="normal" font="default" size="100%">statistical methods</style></keyword><keyword><style  face="normal" font="default" size="100%">statistical techniques</style></keyword><keyword><style  face="normal" font="default" size="100%">three-dimensional model</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2002</style></year><pub-dates><date><style  face="normal" font="default" size="100%">Dec</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">4</style></number><volume><style face="normal" font="default" size="100%">15</style></volume><pages><style face="normal" font="default" size="100%">332-341</style></pages><isbn><style face="normal" font="default" size="100%">0894-9166</style></isbn><language><style face="normal" font="default" size="100%">English</style></language><abstract><style face="normal" font="default" size="100%">By using the lattice model combined with finite element methods and statistical techniques, a numerical approach is developed to establish mechanical models of three-dimensional heterogeneous brittle materials. A special numerical code is introduced, in which a lattice model and statistical approaches are used to simulate the initial heterogeneity of material properties. The size of displacement-load step is adaptively determined so that only few elements would fail in each load step. When the tensile principal strain in an element exceeds the ultimate strain of this element, the element is considered broken and its Young's modulus is set to be very low. Some important behaviors of heterogeneous brittle materials are indicated using this code. Load-displacement curves and figures of three-dimensional fracture patterns are also numerically obtained, which are similar to those observed in laboratory tests.</style></abstract><accession-num><style face="normal" font="default" size="100%">WOS:000182116000006</style></accession-num><notes><style face="normal" font="default" size="100%">&lt;p&gt;665jgTimes Cited:3Cited References Count:9&lt;/p&gt;</style></notes><auth-address><style face="normal" font="default" size="100%">Tsing Hua Univ, Dept Engn Mech, Beijing 100084, Peoples R China</style></auth-address></record></records></xml>