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On some properties of the Lyapunov equation for damped systems (CROSBI ID 113793)
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Truhar, Ninoslav ; Veselić, Krešimir
On some properties of the Lyapunov equation for damped systems // Mathematical communications, 9 (2004), 2; 189-197-x
Podaci o odgovornosti
Truhar, Ninoslav ; Veselić, Krešimir
engleski
On some properties of the Lyapunov equation for damped systems
We consider a damped linear vibrational system whose dampers depend linearly on the viscosity parameter $v$. We show that the trace of the corresponding Lyapunov solution can be represented as a rational function of $v$ whose poles are the eigenvalues of a certain skew symmetric matrix. This makes it possible to derive an asymptotic expansion of the solution in the neighborhood of zero (small damping).
Damped-vibration; Lyapunov equation; optimization of viscosities
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