INFLUENCE OF SMALL CHANGES OF SUPPORT LOCATION ON VIBRATION MODE SHAPES

doi:10.6052/0459-1879-1996-1-1995-298

Article Contents

Article Navigation > Chinese Journal of Theoretical and Applied Mechanics > 1996 > 28(1): 23-32

INFLUENCE OF SMALL CHANGES OF SUPPORT LOCATION ON VIBRATION MODE SHAPES[J]. Chinese Journal of Theoretical and Applied Mechanics, 1996, 28(1): 23-32. doi: 10.6052/0459-1879-1996-1-1995-298

Citation:

INFLUENCE OF SMALL CHANGES OF SUPPORT LOCATION ON VIBRATION MODE SHAPES[J]. Chinese Journal of Theoretical and Applied Mechanics, 1996, 28(1): 23-32. doi: 10.6052/0459-1879-1996-1-1995-298

INFLUENCE OF SMALL CHANGES OF SUPPORT LOCATION ON VIBRATION MODE SHAPES[J]. Chinese Journal of Theoretical and Applied Mechanics, 1996, 28(1): 23-32. doi: 10.6052/0459-1879-1996-1-1995-298

Citation:

INFLUENCE OF SMALL CHANGES OF SUPPORT LOCATION ON VIBRATION MODE SHAPES[J]. Chinese Journal of Theoretical and Applied Mechanics, 1996, 28(1): 23-32. doi: 10.6052/0459-1879-1996-1-1995-298

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INFLUENCE OF SMALL CHANGES OF SUPPORT LOCATION ON VIBRATION MODE SHAPES

doi: 10.6052/0459-1879-1996-1-1995-298

中国空间技术研究院

Publish Date: 1996-01-25

Abstract

Abstract

It is of importance to study the influence of small changes of support location on vibration mode shapes because of its necessary role in structural optimization and model correction using the generalized variational principle, the first-order purturbation equations of vibration eigenproblem are derived. In order to solve these equations two difficulties are dealt with, one is associated with the incompleteness of the unperturbed eigenfunctions, the other the truncation of the higher modes. A hybrid expansi...
- change of support location,
- modal sensitivity,
- modal truncation,
- boundary value problem