Timestamps of slides 2:50 Wolf Demonstration on cello Helmholtz Motion 3:34 Helmholtz Motion 4:23 Explanation of slip-stick motion 5:11 Waveform Schelleng's Diagram 6:06 Schelleng's Diagram 7:52 Explanation of regions 9:27 Measured waveforms of the three regions 11:31 Boundary line of regions 12:50 Max boundary doesn't care 13:30 Min boundary depends on body motion Double-slipping 14:16 Wolf double-slipping (velocity of string & body diagram) 15:05 Alternating between Helmholtz motion & double-slipping 16:05 How does the wolf work? Schelleng's Diagram related to body motion 17:20 Double-slip detail (phase) Identifying wolf from frequency response 19:50 Can we measure it? 20:00 Impact hammer + laser measurement 20:37 Cello frequency response 21:33 Minimum bow force per note 22:25 Each string is plotted (heaviest string scale curve up) Tuned-mass dampers 24:05 Taming the wolf 24:50 Various tricks add damping, typically over entire range 25:32 Targeted fix: Tuned-mass damper 26:16 Millennium Bridge 26:50 Millennium Bridge's wolf eliminator! 27:25 Add resonator tuned to the same frequency, then damp it 29:34 Archery TMD example 34:23 Cello TMD 37:07 Adjust body mechanics (Gluey) 43:00 Q&A
