Smoothing experimental data in dynamic substructuring of built up systems Fig. 21 Inertance H55 of the unknown subsystemA changing the fitting poles: fitted (blue); after decoupling (red) 0 5 10 15 100 102 Frequency [Hz] Magnitude [(m/s2)/N ] Fig. 22 Inertance H66 of the unknown subsystemA changing the fitting poles: fitted (blue); after decoupling (red) 0 5 10 15 100 102 Frequency [Hz] Magnitude [(m/s2)/N ] The following figures shows different results obtained using the proposed approach with different choices of interface DoFs, as summarised in Table 4. Table 4 Dual Decoupling Methods Interface Compatibility DoFs Equilibrium DoFs Figure Standard 2,3 2,3 Fig. 23, 24 Non collocated 1,2,3 2,3 Fig. 25, 26 (NC >NE) 1,2,3 1,2 Fig. 27 1,2,3 1,3 Fig. 28 Non collocated 2,3 1,2 Fig. 29 (NC =NE) 2,3 1,3 Fig. 30 105
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