The Active Control of Vibrations of Composite Beams by Parametric Stiffness Modulation

The following sections are included:

• Preliminary Remarks

• The Governing Equations

• Modal Analysis of Vibrations

• Direct Partition of Motions

• The Eigenvalue Problem for a Beam with the Resonant Parametric Stiffness Modulation

• Forced Vibrations. An Influence of Internal Damping

• Vibrations of a Beam with Parametrically Modulated Stiffness in Heavy Fluid Loading Conditions

• Discussion of the Parametric Stiffness Modulation

• A Modal Formulation of the Control Problem for a Sandwich Beam

• Analysis of Vibration Control for a Model Two-Degrees of Freedom Mechanical System

  • Analysis by the method of multiple scales

  • Analysis by the method of direct partition of motions

  • 'Standard' dynamical absorber

• Conclusions

• References