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作者:

Yang, Yongtao (Yang, Yongtao.) | Wu, Wenan (Wu, Wenan.) | Zheng, Hong (Zheng, Hong.) (学者:郑宏) | Liu, Xuewei (Liu, Xuewei.)

收录:

EI SCIE

摘要:

A high-order(HO) three dimensional numerical manifold method (HO3DNMM) is proposed. In the present numerical model, HO global displacement function can be built without using extra nodal DOFs/nodes. Additionally, continuous stresses/strains among inter-element faces can be obtained with the HO3DNMM without using any stress smoothing technique. A number of numerical examples have been adopted to investigate the properties of the proposed HO3DNMM. Numerical results assessed from the HO3DNMM indicate that 1) HO3DNMM doesn't suffer from the LD (linear dependence) issue; 2) For discretized model with regular meshes, accuracy of the HO3DNMM is much better than that of the T3DNMM (traditional 3DNMM); 3) HO3DNMM is immune from the mesh distortion, which is a very attractive property as compared to the T3DNMM.

关键词:

Continuous stress/strain field HO3DNMM Mesh distortion Numerical manifold method

作者机构:

  • [ 1 ] [Yang, Yongtao]Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China
  • [ 2 ] [Wu, Wenan]Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China
  • [ 3 ] [Zheng, Hong]Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China
  • [ 4 ] [Liu, Xuewei]Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China
  • [ 5 ] [Zheng, Hong]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 6 ] [Yang, Yongtao]Univ Chinese Acad Sci, Beijing 100049, Peoples R China
  • [ 7 ] [Wu, Wenan]Univ Chinese Acad Sci, Beijing 100049, Peoples R China
  • [ 8 ] [Liu, Xuewei]Univ Chinese Acad Sci, Beijing 100049, Peoples R China

通讯作者信息:

  • [Yang, Yongtao]Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China;;[Liu, Xuewei]Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China;;[Yang, Yongtao]Univ Chinese Acad Sci, Beijing 100049, Peoples R China;;[Liu, Xuewei]Univ Chinese Acad Sci, Beijing 100049, Peoples R China

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来源 :

ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS

ISSN: 0955-7997

年份: 2020

卷: 117

页码: 309-320

3 . 3 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:28

JCR分区:2

被引次数:

WoS核心集被引频次: 23

SCOPUS被引频次: 24

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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