Modal summation methods for structural dynamic computations

P. Leger; E. L. Wilson

doi:10.1002/eqe.4290160103

journal article Jan 01, 1988

Modal summation methods for structural dynamic computations

P. Leger E. L. Wilson

Earthquake Engineering & Structural Dynamics Vol. 16 No. 1 pp. 23-27 · Wiley

View at Publisher Save 10.1002/eqe.4290160103

Abstract

AbstractThe rate of convergence of the conventional mode superposition method can be significantly improved for systems subjected to relatively low frequency loadings by adding static correction terms to approximate the contribution of higher modes neglected by the use of a truncated eigenbasis. Two computational variants of the classical mode‐acceleration method are developed for that purpose. It is recommended that the pseudo‐static displacement correction vector should be computed from an expansion of the flexibility matrix in terms of the retained eigenvectors for actual computer implementation.

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References

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Metrics

38

Citations

12

References

Details

Published: Jan 01, 1988
Vol/Issue: 16(1)
Pages: 23-27
License: View

Authors

Cite This Article

P. Leger, E. L. Wilson (1988). Modal summation methods for structural dynamic computations. Earthquake Engineering & Structural Dynamics, 16(1), 23-27. https://doi.org/10.1002/eqe.4290160103

Modal summation methods for structural dynamic computations

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