Calculating Strain Energy Release Rate, Stress Intensity Factor and Crack Propagation of an FGM Plate by Finite Element Method Based on Energy Methods
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| Publicado en: | Materials vol. 18, no. 12 (2025), p. 2698-2715 |
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MDPI AG
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| Acceso en línea: | Citation/Abstract Full Text + Graphics Full Text - PDF |
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| 003 | UK-CbPIL | ||
| 022 | |a 1996-1944 | ||
| 024 | 7 | |a 10.3390/ma18122698 |2 doi | |
| 035 | |a 3223924855 | ||
| 045 | 2 | |b d20250101 |b d20251231 | |
| 084 | |a 231532 |2 nlm | ||
| 100 | 1 | |a Nguyen Huu-Dien |u Faculty of Technology, Long An University of Economics and Industry, No.938, QL1 Rd, Khanh Hau Ward, Tan An 82113, Vietnam; nguyen.dien@daihoclongan.edu.vn | |
| 245 | 1 | |a Calculating Strain Energy Release Rate, Stress Intensity Factor and Crack Propagation of an FGM Plate by Finite Element Method Based on Energy Methods | |
| 260 | |b MDPI AG |c 2025 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a In the field of crack mechanics, predicting the direction of a crack is important because this will evaluate whether, when the crack propagates, it penetrates into important areas and whether the structure is dangerous or not. This paper will refer to three theories that predict the propagation direction of cracks: a theory of maximum tangential normal stress, a theory of maximum energy release, and a theory of minimum strain energy density. At the same time, the finite element method (FEM)–ANSYS program will be used to calculate stress intensity factors (SIFs), strain energy release rate (J-integral), stress field, displacement near a crack tip, and crack propagation phenomenon based on the above theories. The calculated results were compared with the results in other scientific papers and experimental results. This research used ANSYS program, an experimental method combined with FEM based on the above energy theories to simulate the J-integral, the SIFs, and the crack propagation. The errors of the SIFs of the FGM rectangular plate has a through-thickness center crack of 1.77%, J-integral of 4.49%, and crack propagation angle <inline-formula>θc</inline-formula> of 0.15%. The FEM gave good errors compared to experimental and exact methods. | |
| 653 | |a Propagation | ||
| 653 | |a Finite element method | ||
| 653 | |a Partial differential equations | ||
| 653 | |a Strain energy release rate | ||
| 653 | |a Energy industry | ||
| 653 | |a Crack propagation | ||
| 653 | |a Rectangular plates | ||
| 653 | |a J integral | ||
| 653 | |a Stress intensity factors | ||
| 653 | |a Fractures | ||
| 653 | |a Numerical analysis | ||
| 653 | |a Methods | ||
| 653 | |a Errors | ||
| 653 | |a Normal stress | ||
| 653 | |a Stress concentration | ||
| 653 | |a Energy methods | ||
| 653 | |a Boundary conditions | ||
| 653 | |a Fracture mechanics | ||
| 653 | |a Crack tips | ||
| 653 | |a Stress distribution | ||
| 700 | 1 | |a Huang Shyh-Chour |u Department of Mechanical Engineering, National Kaohsiung University of Science and Technology, No.415, Jiangong Rd, Sanmin Dist, Kaohsiung 807618, Taiwan | |
| 773 | 0 | |t Materials |g vol. 18, no. 12 (2025), p. 2698-2715 | |
| 786 | 0 | |d ProQuest |t Materials Science Database | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/3223924855/abstract/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text + Graphics |u https://www.proquest.com/docview/3223924855/fulltextwithgraphics/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3223924855/fulltextPDF/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |