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(a) Real part; (b) imaginary part; and (c) absolute value of the axial displacements on the surface of viscoelastic layer for different values of Young’s modulus (2 kPa, 5 kPa, 10 kPa, and 20 kPa) in the frequency domain; (d) axial displacement in the time domain for 0.5 ms pulse of the acoustic force. A dash vertical line represents the end of the acoustic pulse.
