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Material properties of prostate and surrounding tissue were obtained from [5] and [35], respectively. These model constitutive parameters were derived from ex vivo tests. The properties of the urinary bladder were assumed to be that of water, with a bulk modulus, K = 2.2 GPa i.e. E = 3K (1 − 2ν).
| Tissue | E (kPa) | ν |
|---|---|---|
| Bone | 1.80 × 106 | 0.3 |
| Fascia | 4249.78 | 0.45 |
| Fat | 3.25 | 0.45 |
| Ligament | 489.71 | 0.45 |
| Muscle | 29.85 | 0.45 |
| Prostate | 60.0 | 0.45 |
| Urinary bladder | 1.32 × 104 | 0.499 |
