Read e-book online Dynamics of Coupled Structures, Volume 4: Proceedings of the PDF

By Matt Allen, Randall L. Mayes, Daniel Rixen

ISBN-10: 3319297627

ISBN-13: 9783319297620

ISBN-10: 3319297635

ISBN-13: 9783319297637

Dynamics of Coupled constructions, quantity four. complaints of the thirty fourth IMAC, A convention and Exposition on Dynamics of Multiphysical structures: From lively fabrics to Vibroacoustics, 2016, the fourth quantity of ten from the convention brings jointly contributions to this significant sector of analysis and engineering. Th e assortment offers early findings and case stories on basic and utilized elements of Structural Dynamics, together with papers on:

• Experimental Dynamic Substructuring

• Structural Coupling of Nonlinear Structures

• Analytical/Numerical Modeling of Joints

• commercial functions of Substructuring

• resource Identifi cation & move course Analysis

• Human brought about Vibrations

• Damping & Friction

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Read Online or Download Dynamics of Coupled Structures, Volume 4: Proceedings of the 34th IMAC, A Conference and Exposition on Structural Dynamics 2016 PDF

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Additional resources for Dynamics of Coupled Structures, Volume 4: Proceedings of the 34th IMAC, A Conference and Exposition on Structural Dynamics 2016

Example text

Syst. Signal Process. 22(3), 617–637 (2008) Chapter 5 Response DOF Selection for Mapping Experimental Normal Modes-2016 Update Robert N. Coppolino Abstract A modified Guyan reduction strategy for response degree-of-freedom (DOF) selection to map experimental normal modes is described and demonstrated. The method employs static load patches, rather than point loads, in regions defined by 3-D elastic elements and other problematic zones on a highly detailed finite element model (FEM). Three key benefits are realized by the methodology, namely (1) definition of a well-posed test-analysis mass (TAM) matrix, (2) application of a previously published residual kinetic energy matrix for definition of appropriate measurement DOFs, and (3) elimination of irrelevant modes from the measured mode set.

Results of the demonstration indicate that (1) “classical” Guyan reduction produces a TAM matrix that fails to satisfy strict orthogonality criteria, (2) “modified” Guyan reduction produces TAM matrices satisfying strict orthogonality criteria (without the need for additional instrumentation degrees of freedom), and (3) RKE is a useful metric for discrimination of “body” and shell “breathing” modes as well as a means for improvement of the instrumentation array. N. com © The Society for Experimental Mechanics, Inc.

J. Mech. Sci. Tech. 29(10), 4083–4091 (2015) 13. : Reference-based combined deterministic–stochastic subspaceidentification for experimental and operational modal analysis. Mech. Syst. Signal Process. 22(3), 617–637 (2008) Chapter 5 Response DOF Selection for Mapping Experimental Normal Modes-2016 Update Robert N. Coppolino Abstract A modified Guyan reduction strategy for response degree-of-freedom (DOF) selection to map experimental normal modes is described and demonstrated. The method employs static load patches, rather than point loads, in regions defined by 3-D elastic elements and other problematic zones on a highly detailed finite element model (FEM).

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Dynamics of Coupled Structures, Volume 4: Proceedings of the 34th IMAC, A Conference and Exposition on Structural Dynamics 2016 by Matt Allen, Randall L. Mayes, Daniel Rixen


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