Will add 'Frame Beaming' to the automotive marketing verbiage...AKA harmonic
All things...or most all things has a natural harmonic (first, secondary, tertiary, etc)
When other components/systems secondary/tertiary/etc sync with anothers first
harmonic frequency...things amplify and think that is what is happening
Then the dampening fixes and note that the stiffer a thing is, generally, the
higher its natural harmonic normally will be...so putting in something of a lower
harmonic most times nulls...like softer body doughnuts, etc
Frame Beaming...guess that is much niftier and comforting than harmonic...