Open Access
Multishaker modal testing
Roy R. Craig
- 01 Dec 1987
Vol. 84, pp 15521
TL;DR: In this article, the authors present an unsymmetric block-Lanzcos algorithm for reduced-order modeling of linear systems with arbitrary damping and develop a control-structure-interaction (CSI) test facility.
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Abstract: The major accomplishments of this research are: (1) the refinement and documentation of a multi-input, multi-output modal parameter estimation algorithm which is applicable to general linear, time-invariant dynamic systems; (2) the development and testing of an unsymmetric block-Lanzcos algorithm for reduced-order modeling of linear systems with arbitrary damping; and (3) the development of a control-structure-interaction (CSI) test facility.
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References
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Numerical methods in engineering
Mario G. Salvadori,M. L. Baron,D. C. Drucker +2 more
- 01 Jan 1955
TL;DR: Sommaire as discussed by the authors discusses the practical solution of algebraic and transcendental equations, finite differences and their applications, numerical integration of initial value problems, and numerical intergation of ordinary boundary value problems.
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Dynamic analysis by direct superposition of Ritz vectors
TL;DR: In this paper, a new algorithm based on error minimization is presented for the generation of a sequence of Ritz vectors, which are used to reduce the size of the system.
400
Dynamic analysis of structures using lanczos co-ordinates
Bahram Nour-Omid,Ray W. Clough +1 more
TL;DR: In this article, the Lanczos vectors are obtained by an inverse iteration procedure in which orthogonality is imposed between the vectors resulting from successive iteration cycles, which provides for a very efficient time-stepping solution.
A modal parameter extraction procedure applicable to linear time-invariant dynamic systems
A. J. Kurdila,R. R. Craig +1 more
- 01 May 1985
TL;DR: A new modal parameter estimation procedure is presented that is applicable to linear, time-invariant systems and accommodates multiple input excitations.
•Book
Structural Dynamics: An Introduction to Computer Methods
Roy R. Craig,Steven E. Benzley +1 more
- 19 Aug 1981
TL;DR: The Science and Art of Structural Dynamics as discussed by the authors is a popular topic in the field of structural engineering, especially in the area of dynamic response of multidimensional dynamical systems.