A novel isogeometric analysis enriched element for a V-notched one-dimensional hexagonal piezoelectric quasicrystal bi-material

被引：7
|
作者：
Yang, Zhenting [1 ]
Yu, Xiong [1 ]
Tong, Zhenzhen [1 ,2 ]
Xu, Chenghui [3 ]
Zhou, Zhenhuan [1 ]
Xu, Xinsheng [1 ]
机构：
[1] Dalian Univ Technol, Dept Engn Mech, Int Ctr Computat Mech, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China
[2] Dalian Jiaotong Univ, Coll Locomot & Rolling Stock Engn, Dalian 116028, Peoples R China
[3] Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Xian 710072, Peoples R China
来源：
THEORETICAL AND APPLIED FRACTURE MECHANICS | 2021年 / 115卷
基金：
中国国家自然科学基金;
关键词：
Piezoelectric quasicrystal; Symplectic method; Notch intensity factor; Isogeometric analysis; Bi-material; Enriched element; SHAPED INTERFACE CRACK; FINITE-ELEMENT; INFINITE MEDIUM; ELASTIC FIELD; FRACTURE; PLATES; MODEL; NURBS; CAD;
D O I：
10.1016/j.tafmec.2021.103039
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A novel isogeometric analysis enriched element for accurate evaluation of singularities arising at the interface in V-notched one-dimensional hexagonal piezoelectric quasicrystals (PQCs) under anti-plane loading is developed. By taking the advantages of IGA and symplectic methodology, an enriched element centered at the notch tip is constructed by analytical symplectic eigensolutions. Explicit expressions of notch intensity factors and singular multi-physical fields within enriched element are obtained simultaneously. A comparison study between numerical predictions and analytical solutions is performed and excellent agreements are observed. Furthermore, the notch intensity factors for different V-notched PQC bi-material are presented and discussed in detail.
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收藏
页数：12
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