Research Article
Optimized Polynomial Virtual Fields Method for Constitutive Parameters Identification of Orthotropic Bimaterials
Table 4
Identification results of constitutive parameters of orthotropic bimaterial using the optimized piecewise virtual fields.
| | Reference (MPa) | Identification (MPa) | | Relative error (%) | Weighted relative error (%) |
| | 181937.10 | 181236.94 | 29.7551 | −0.38 | 0.97 | | 30719.68 | 30226.44 | 11.6049 | −1.61 | | | 5907.20 | 4979.48 | 245.8494 | −58.71 | | | 5700 | 5700.70 | 6.1965 | 0.01 | | | 178229.16 | 177249.89 | 25.0937 | −0.55 | | | 32976.51 | 32456.53 | 9.7825 | −1.58 | | | 8947.80 | 8184.67 | 125.9329 | −8.53 | | | 5700 | 5699.21 | 6.8896 | −0.01 | |
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