Research Article
Quantitative Imaging of Young’s Modulus of Soft Tissues from Ultrasound Water Jet Indentation: A Finite Element Study
Table 1
The scaling factor (k) used in this study for different aspect ratios (a/h), Poisson’s ratios (v), and deformation ratios (d/h).
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| Poisson's ratio | d/h | 0.10 | 0.20 | 0.30 | 0.40 | 0.45 | 0.50 |
| a/h = 0.17 | | | | | | | 0.001 | 0.8009 | 0.8050 | 0.8112 | 0.8215 | 0.8306 | 0.8379 | 0.01 | 0.7924 | 0.7967 | 0.8043 | 0.8171 | 0.8277 | 0.8385 | 0.05 | 0.7532 | 0.7565 | 0.7662 | 0.7858 | 0.8015 | 0.8248 | 0.07 | 0.7343 | 0.7354 | 0.7471 | 0.766 | 0.7825 | 0.8102 |
| a/h = 0.4 | | | | | | | 0.001 | 0.9307 | 0.9422 | 0.9617 | 0.9963 | 1.0254 | 1.0909 | 0.01 | 0.9266 | 0.9384 | 0.9589 | 0.9957 | 1.0261 | 1.0961 | 0.05 | 0.9074 | 0.92 | 0.9437 | 0.9886 | 1.0261 | 1.1129 | 0.1 | 0.8827 | 0.8945 | 0.9199 | 0.9712 | 1.0149 | 1.1186 |
| a/h = 0.6 | | | | | | | 0.001 | 1.0721 | 1.0918 | 1.1278 | 1.1948 | 1.2526 | 1.3683 | 0.01 | 1.0695 | 1.0896 | 1.1267 | 1.1965 | 1.2564 | 1.3782 | 0.05 | 1.0572 | 1.079 | 1.1204 | 1.2011 | 1.2715 | 1.4181 | 0.1 | 1.0407 | 1.0632 | 1.1087 | 1.2002 | 1.2822 | 1.4643 |
| a/h = 0.8 | | | | | | | 0.001 | 1.2303 | 1.2628 | 1.3208 | 1.4338 | 1.5346 | 1.7026 | 0.01 | 1.2289 | 1.2621 | 1.3217 | 1.4368 | 1.542 | 1.7191 | 0.05 | 1.2225 | 1.2581 | 1.3240 | 1.4566 | 1.5771 | 1.7923 | 0.1 | 1.2135 | 1.2513 | 1.3237 | 1.4744 | 1.6152 | 1.8761 |
| a/h = 1.0 | | | | | | | 0.001 | 1.4239 | 1.4715 | 1.5601 | 1.7385 | 1.9 | 2.197 | 0.01 | 1.4238 | 1.4722 | 1.5628 | 1.7465 | 1.9128 | 2.2257 | 0.05 | 1.4227 | 1.4746 | 1.5738 | 1.7803 | 1.973 | 2.3573 | 0.1 | 1.4204 | 1.4759 | 1.5847 | 1.8364 | — | — |
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