Research Article
Cell-Based Smoothed Finite Element Method-Virtual Crack Closure Technique for a Piezoelectric Material of Crack
Table 3
Energy release rate under different crack lengths.
| | Material | Methods | Energy release rate/(10−3 N/m) | | | 0.5 cm | 1.0 cm | 1.5 cm | 2.0 cm | 2.5 cm |
| | PZT-4 | CSFEM-VCCT | | | | | | | | | | | | | | FEM-VCCT | | | | | | | | | | | | | | Analytical solu. | | | | | | | | | | | | |
| | P-7 | CSFEM-VCCT | | | | | | | | | | | | | | FEM-VCCT | | | | | | | | | | | | | | Analytical solu. | | | | | | | | | | | | |
| | PZT-5H | CSFEM-VCCT | | | | | | | | | | | | | | FEM-VCCT | | | | | | | | | | | | | | Analytical solu. | | | | | | | | | | | | |
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