Smoothing experimental data in dynamic substructuring of built up systems Fig. 26 Inertance H66 of the unknown subsystemAusing compatibility at all DoFs and equilibrium at the coupling DoFs: fitted (blue); after decoupling (red) 0 5 10 15 100 102 Frequency [Hz] Magnitude [(m/s2)/N ] Fig. 27 Inertance H55 of the unknown subsystemAusing compatibility at all DoFs and equilibrium at the coupling DoF 2 and at the internal Dof 1: fitted (blue); after decoupling (red) 0 5 10 15 100 102 Frequency [Hz] Magnitude [(m/s2)/N ] Fig. 28 Inertance H66 of the unknown subsystemAusing compatibility at all DoFs and equilibrium at the coupling DoF 3 and at the internal Dof 1: fitted (blue); after decoupling (red) 0 5 10 15 100 102 Frequency [Hz] Magnitude [(m/s2)/N ] 107
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