Table 1 Analysis conditions of the phantom
From: Enhanced frequency analysis on a vibrated tumor with a compression cylinder
Fixation degree condition DOF | 6 |
Air injection load kPa | 1.27 |
Air injection point mm | Center portion with a diameter of 10 |
Depth of the pushing cylinder mm | 5.0 |
Element count | 21,942 |
Number of contacts | 34,085 |
Coefficient of mass matrix in Rayleigh attenuation α | 10 |
Coefficient of stiffness matrix in Rayleigh attenuation β | 1.762 × 10−4 |
Mode damping ratio ζ1, ζ2 | 0.438, 0.448 |