Last edited by Shaktihn
Tuesday, May 5, 2020 | History

4 edition of Dynamic stiffness and substructures found in the catalog.

Dynamic stiffness and substructures

by A. Y. T. Leung

  • 314 Want to read
  • 20 Currently reading

Published by Springer-Verlag in London, New York .
Written in English

    Subjects:
  • Structural analysis (Engineering) -- Matrix methods.,
  • Modal analysis.,
  • Finite element method.

  • Edition Notes

    Includes bibliographical references and index.

    StatementA.Y.T. Leung.
    Classifications
    LC ClassificationsTA642 .L48 1993
    The Physical Object
    Paginationviii, 242 p. :
    Number of Pages242
    ID Numbers
    Open LibraryOL1407089M
    ISBN 103540198075, 0387198075
    LC Control Number93015461

    Because of the limitations of testing facilities and techniques, the seismic performance of soil-structure interaction (SSI) system can only be tested in a quite small scale model in laboratory. Especially for long-span bridge, a smaller tested model is required when SSI phenomenon is considered in the physical test. The scale effect resulting from the small scale model is always coupled with. Dynamics of Coupled Structures, Volume 4: Proceedings of the 37th IMAC, A Conference and Exposition on Structural Dynamics, , the fourth volume of eight from the Conference brings together contributions to this important area of research and collection presents early findings and case studies on fundamental and applied aspects of the Dynamics of Coupled Structures.

    This paper deals with the theoretical aspects concerning linear elastodynamic of damped continuum medium in the frequency domain. Eigenvalue analysis and frequency response function are studied. The methods discussed here use a dynamic substructuring approach.   M, C, and K are the mass, damping and stiffness matrices of the substructures, 𝑢⃗ denotes the vector of displacement, 𝑓 is the external force vector and 𝑔 is the vector of connecting forces with other substructures. In the frequency domain, the structure is viewed through its .

    Thus, the dynamic stiffness matrix can be formed explicitly by the following procedure with the help of a microcomputer: (a) solve for the eigenvalues Aj and the corre­ sponding eigenvectors {cJ>J,j = 1,2,, nm from the eigenproblem (3); (b) calculate the matrix [H] and then invert it to obtain the shape function; (c) forming the dynamic. Purchase Matrix Methods for Advanced Structural Analysis - 1st Edition. Print Book & E-Book. ISBN ,


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Dynamic stiffness and substructures by A. Y. T. Leung Download PDF EPUB FB2

Dynamic Stiffness and Substructures models a complex dynamic system and offers a solution to the advanced dynamical problem associated with the effects of wind and earthquakes on structures. Since the system matrices are inevitably frequency dependant, those Dynamic stiffness and substructures book exclusively considered in.

Dynamic Stiffness and Substructures models a complex dynamic system and offers a solution to the advanced dynamical problem associated with the effects of wind and earthquakes on structures. Since the system matrices are inevitably frequency dependant, those are exclusively considered in Cited by: COVID Resources.

Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Abstract. Finite elements are related to continuous elements by means of Simpson’s hypothesis (Sect. If the non-essential coordinates (slaves) are eliminated by means of dynamic substructure methods, dynamic stiffnesses result.

The dynamic stiffness matrix method in forced vibration analysis of multiple-cracked beam Article (PDF Available) in Journal of Sound and Vibration (3) July with 1, Reads.

the Influence Vector and Dynamic Stiffness are very closely related to one another and that the calculations to determine Dynamic Stiffness are really no more difficult than those involved in basic machinery balancing.

In short, this tutorial focuses on a simple, practical explanation of Dynamic Stiffness that anyone concerned.

نام کتاب: Dynamic Stiffness and Substructures نویسنده: A. Leung ویرایش: ۱ سال انتشار: ۱۹۹۳ فرمت: PDF تعداد صفحه: ۲۴۷ کیفیت: OCR انتشارات: Springer دانلود کتاب – حجم: ۴٫۴۰.

نام کتاب: Dynamic Stiffness and Substructures نویسنده: A. Leung ویرایش: 1 سال انتشار: فرمت: PDF تعداد صفحه. Dynamic Stiffness and Substructures, Andrew Y.

Leung. Dynamic Bridge Substructure Evaluation and Monitoring [Olson, P.E., Larry D., Administration, Federal Highway] on *FREE* shipping on qualifying offers. Dynamic Bridge Substructure Evaluation and Monitoring. Dynamic Substructuring (DS) is an engineering tool used to model and analyse the dynamics of mechanical systems by means of its components or substructures.

Using the dynamic substructuring approach one is able to analyse the dynamic behaviour of substructures separately and to later on calculate the assembled dynamics using coupling procedures. in the process of dynamic stiffness testing.

Then the mechanical model of powertrain mounting system based on dynamic stiffness is established. By comparison the computational results respectively from the model based on static stiffness and dynamic stiffness, the.

Dynamic stiffness method in the vibration analysis of circular cylindrical GRA Đ EVINSKI MATERIJALI I KONSTRUKCIJE 59 () 3 () BUILDING MATERIALS AND STRUCTURES 59. dynamic analysis which permits the number of degrees of freedom of the dynamic model to be reduced and which also allows as much independence as possible in the design and analysis of substructures.

The names substructure coupling and component mode synthesis have been applied to the process of. More editions of Dynamic Stiffness and Substructures: Dynamic Stiffness and Substructures: ISBN () Hardcover, Springer Verlag, Dynamics of Coupled Structures, Volume 4: Proceedings of the 37th IMAC, A Conference and Exposition on Structural Dynamics,the fourth volume of eight from the Conference brings together contributions to this important area of research and engineering.

Who is Craig Bampton. Coupling of Substructures for Dynamic Analysis by Roy R. Craig Jr. and Mervyn C.

Bampton AIAA Journal, Vol. 6, No. 7, July (Link is to a Word document directly from Mr. Craig's website) What is the Craig-Bampton Method. Method for reducing the size of a. Identifying coupling dynamic stiffness of structural connection is often needed in substructural dynamic analysis. To overcome the faultiness of conventional approaches existed, five indirect schemes of inverse substructuring analysis by using tested frequency response functions (FRFs) are provided.

And the first indirect scheme is verified by three mass-rubber models constructed as two-level. A non-ideal connection of mechanical assembly with linear assembling interface is firstly considered in the coupling dynamic stiffness identification by applying the second scheme of indirect inverse substructuring analysis.

The experimental model of the mechanical assembly is designed, and the interface is then discretized equivalently as ideal point-coupling for testing the frequency. The initial stiffness operator was estimated by means of the specimen responses provided by quasi-static cyclic tests.

From a numerical stability standpoint, substructures may exhibit a severe softening behaviour when subjected to strong earthquake excitations owing to local and/or global buckling or strain-softening. In this study, a crosshole-type dynamic cone penetrometer (CDP) is developed to characterize the strength and stiffness of railway track substructures.

The CDP is composed of a cone tip and a driving rod with diameters of 24 mm and 20 mm, respectively. Subsequently, these substructures are integrated to meet the displacement compatibility and force equilibrium via inertia of sleepers and stiffness of railpad springs.

The dynamic equations are solved in the frequency–wave-number domain by applying the Fourier transform procedure.Train models from BS EN were used as dynamic moving loads.

The results of this study show that the chances of dynamic responses larger than design limits do exist as the stiffness of substructures departs from being rigid, where resonance effects on substructures are the main contributor to response amplification.