文献类型：期刊文献

英文题名：An SBFEM-Based Model for Hydraulic Fracturing in Quasi-Brittle Materials

作者：Yao, F.[1];Yang, Z. J.[1];Hu, Y. J.[2]

机构：[1]Zhejiang Univ, Coll Civil Engn & Architecture, Hangzhou 310058, Zhejiang, Peoples R China;[2]Shaoxing Univ, Sch Civil Engn, Shaoxing 312000, Peoples R China

年份：2018

卷号：31

期号：4

起止页码：416

外文期刊名：ACTA MECHANICA SOLIDA SINICA

收录：SCI-EXPANDED(收录号：WOS:000443471000003)、、EI(收录号：20183605784142)、Scopus(收录号：2-s2.0-85052689180)、WOS

基金：This research is funded by the National Natural Science Foundation of China (Nos. 51779222 and 51378461), Zhejiang Provincial Natural Science Foundation of China (No. LR14E080002), and the Fundamental Research Funds for the Central Universities (No. 2017QNA4027).

语种：英文

外文关键词：Scaled boundary finite element method; Hydraulic fracture; Cohesive crack model; Crack propagation

外文摘要：A numerical model based on the scaled boundary finite element method is developed to simulate the hydraulic fracturing in concrete-like quasi-brittle materials using cohesive interface elements. The shadow domain method developed previously (Yang and Deeks in Eng Fract Mech 143(4):333-354, 2007) is extended to consider crack-width-dependent hydraulic pressure and cohesive traction, so that the stress intensity factors caused by both crack-face forces are semi-analytically calculated separately in the same way. The crack propagation is determined by the criterion of , and the propagation direction by the linear elastic fracture mechanics criteria. Two examples of concrete structures are modeled, and the results are in good agreement with the experimental data and others numerical results.