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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