Matrix Eigenvalue Problem of Multiple-Shaker Testing

by Clarence W. de Silva, Engr.; Dept. of Mech. Engrg., Carnegie-Mellon Univ., Pittsburgh, PA.,

Serial Information: Journal of the Engineering Mechanics Division, 1982, Vol. 108, Issue 2, Pg. 457-461

Document Type: Journal Paper


It is shown that the problem of dynamic testing using multiple shaker excitations can be represented by a matrix-eigenvalue formulation. A problem is formulated and an optimal solution is described. The normalized eigenvector corresponding to the maximum eigenvalue provides the direction of excitation for an equivalent single shaker. The corresponding optimal intensity of excitation is expressed in terms of the eigenvalues.

Subject Headings: Excitation (physics) | Matrix (mathematics) | Eigenvalues | Dynamic tests

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