Robuta

https://www.nist.gov/publications/ground-wave-attenuation-function-spherical-earth-witharbitrary-surface-impedance-radio
ground wavespherical earthattenuationfunctionsurface
https://www.mdpi.com/1424-8220/22/18/6800
The imaging range of traditional plane wave imaging is usually limited by the directivity of the plane wave.
spherical waveimaging methodmultibasedultrasonic
https://www.cfd-online.com/Forums/openfoam-solving/209831-air-blast-spherical-mesh-standing-low-pressure-wave.html
Hi all, Here's an issue my colleagues and I are stuggling for the last few weeks: we are simulating the progress of the blast shockwave in air at
air blastlow pressuresphericalmeshstanding