Research Article
A Cell-Based Smoothed XFEM for Fracture in Piezoelectric Materials
Table 1
Material constant.
| | Material | Elastic constants/(1010 N/m2) | Piezoelectric constant/(C/m2) | Dielectric constant/(1010 C/V m) | | c11 | c12 | c13 | c44 | c55 | e31 | e33 | e15 | d11 | d33 |
| | PZT-4 | 13.9 | 7.78 | 7.43 | 2.56 | 11.3 | −6.98 | 13.84 | 13.44 | 60.0 | 54.7 | | P-7 | 13.0 | 8.3 | 8.3 | 2.5 | 11.9 | −10.3 | 14.7 | 13.5 | 171.0 | 186.0 | | PZT-H5 | 12.6 | 7.95 | 8.41 | 2.3 | 11.7 | −6.5 | 23.3 | 17.44 | 150.3 | 130.0 |
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