Crack Propagations in Functionally Graded Material Using a Phase-Field NURBS-Based Finite Element Approach

被引：0

作者：

Nguyen, Khuong D. ^{[1
]}

Nguyen-Xuan, H. ^{[2
]}

Wahab, Magd Abdel ^{[3
]}

机构：

[1] Univ Ghent, Fac Engn & Architecture, Dept Elect Energy Met Mech Construct & Syst, B-9000 Ghent, Belgium

[2] Ho Chi Minh City Univ Technol HUTECH, CIRTech Inst, Ho Chi Minh City 70000, Vietnam

[3] Univ Ghent, Fac Engn & Architecture, Soete Lab, B-9000 Ghent, Belgium

来源：

PROCEEDINGS OF THE 4TH INTERNATIONAL CONFERENCE ON NUMERICAL MODELLING IN ENGINEERING: NUMERICAL MODELLING IN MECHANICAL AND MATERIALS ENGINEERING, VOL 2, NME 2021 | 2022年

关键词：

NURBS-based finite elements; Phase-field model; Functionally graded material; Local refinement mesh; BRITTLE-FRACTURE; FAILURE; GROWTH;

D O I：

10.1007/978-981-16-8806-5_11

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This study presents a hybrid phase-field formulation combining isogeometric analysis with a local refinement multipatch algorithm (VUKIMS algorithm) to predict damage in functionally graded material structures. The power-law index of theMori-Tanaka mixture rule will impact the critical force point. We have confirmed that this approach is an effective computational tool for functionally graded materials. As a result, the effective size of cubic NURBS elements is half of a lengthscale parameter for balancing the achieved accuracy and computational cost in most examples.

引用

页码：159 / 176

页数：18

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