Abstract
Structural response and the resulting sound radiation due to excitations applied at any point on the structure depend very strongly on the boundary condition. Constraining structural vibration to the local areas of interest and modifying vibrational behaviour of the entire structure have numerous application s in sound and vibration control engineering. A concept of boundary conditioning has been proposed here in order to manipulate and control the vibration behaviour of the structure. A plate structure has been analyzed for its response and numerical results demonstrate the localization of structural vibration to the region of excitation by creating additional boundaries and conditioning them to achieve proper stiffness. This study shows that it is possible to localize the vibration and to alter mode shapes by advntageously modifying the boundary stiffness values.
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