Rwater 40[mm] Water domain radius
Rpml 10[mm] PML layer thickness
a 25[mm] Piston head radius
Zeval -10[m] Directivity evaluation distance
Vrms 1[V] RMS drive voltage
V0 sqrt(2)*Vrms Zero-to-peak drive voltage
f0min 1[kHz] Minimum operating frequency
f0max 40[kHz] Maximum operating frequency
f0step 1[kHz] Frequency step