Fig. 3 FRFs B 11 H and B 12 H for the three formulations Fig. 4 Errors of FRFs B 11 H and B 12 H for the three formulations Let us represent B 11 H and B 12 H only for the second formulation, superimposed with the numerically exact response (see figure 5). Fig. 5 B 11 H and B 12 H for the second formulation 200 400 600 800 1000 1200 1400 1600 1800 2000 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 Receptance [dB] (ref. 1 m/N) Frequency [Hz] Hbjj11 Hb1jj11-1% Hb2jj11-1% Hb3jj11-1% 200 400 600 800 1000 1200 1400 1600 1800 2000 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 Receptance [dB] (ref. 1 m/N) Frequency [Hz] Hbjj12 Hb1jj12-1% Hb2jj12-1% Hb3jj12-1% 200 400 600 800 1000 1200 1400 1600 1800 2000 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 Receptance [dB] (ref. 1 m/N) Frequency [Hz] Error Hb1jj11 Error Hb2jj11 Error Hb3jj11 200 400 600 800 1000 1200 1400 1600 1800 2000 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 Receptance [dB] (ref. 1 m/N) Frequency [Hz] Error Hb1jj12 Error Hb2jj12 Error Hb3jj12 200 400 600 800 1000 1200 1400 1600 1800 2000 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 Receptance [dB] (ref. 1 m/N) Frequency [Hz] Hbjj11 Hb2jj11-1% 200 400 600 800 1000 1200 1400 1600 1800 2000 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 Receptance [dB] (ref. 1 m/N) Frequency [Hz] Hbjj12 Hb2jj12-1% 388
RkJQdWJsaXNoZXIy MTMzNzEzMQ==