
The
following equation describes the dynamical interation between
coupled mechanical and electrical modes:
where u and j represent the
Fourier coefficient of the mechanical and electrical modes respectively.
A, B, C and D are system parameters meaning the
mechanical and electrical stiffness, the gyroscopic coupling
and the electrical dissipation respectively.
All these parameters depend on the considered mode, on the electric
connection used and on the constitutive system properties.

