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).


Poisson's ratio
d/h 0.100.200.300.400.450.50

a/h = 0.17
0.0010.80090.80500.81120.82150.83060.8379
0.010.79240.79670.80430.81710.82770.8385
0.050.75320.75650.76620.78580.80150.8248
0.070.73430.73540.74710.7660.78250.8102

a/h = 0.4
0.0010.93070.94220.96170.99631.02541.0909
0.010.92660.93840.95890.99571.02611.0961
0.050.90740.920.94370.98861.02611.1129
0.10.88270.89450.91990.97121.01491.1186

a/h = 0.6
0.0011.07211.09181.12781.19481.25261.3683
0.011.06951.08961.12671.19651.25641.3782
0.051.05721.0791.12041.20111.27151.4181
0.11.04071.06321.10871.20021.28221.4643

a/h = 0.8
0.0011.23031.26281.32081.43381.53461.7026
0.011.22891.26211.32171.43681.5421.7191
0.051.22251.25811.32401.45661.57711.7923
0.11.21351.25131.32371.47441.61521.8761

a/h = 1.0
0.0011.42391.47151.56011.73851.92.197
0.011.42381.47221.56281.74651.91282.2257
0.051.42271.47461.57381.78031.9732.3573
0.11.42041.47591.58471.8364