rho0 1000[kg/m^3] Density of water
c0 1480[m/s] Speed of sound in water
Zeval -10[m] Directivity evaluation distance
Vrms 1[V] RMS drive voltage
V0 sqrt(2)*Vrms Zero-to-peak drive voltage
f0min 30[kHz] Minimum operating frequency
f0max 110[kHz] Maximum operating frequency
f0step 1[kHz] Frequency step
F_pre 3.1[kN] Bolt prestress force
w_depth 500[m] Depth of the water
eta_struct 0.01 Damping ratio of the structural components