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E-book
Author International Modal Analysis Conference (34th : 2016 : Orlando, Fla.)

Title Dynamics of coupled structures. Volume 4 : Proceedings of the 34th IMAC, a conference and exposition on structural dynamics, 2015 / Matt Allen, Randall L. Mayes, Daniel J. Rixen, editors
Published Switzerland : Springer, 2016

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Description 1 online resource
Series Conference proceedings of the Society for Experimental Mechanics series, 9191-5652
Conference proceedings of the Society for Experimental Mechanics series.
Contents Preface; Contents; 1 Verification of Experimental Component Mode Synthesis in the Sierra Analysis Framework; Nomenclature; 1.1 Introduction; 1.2 Craig-Mayes Experimental Sub-Structuring Method; 1.3 Interface of Experimental CMS Model to Sierra; 1.4 Demonstration; 1.4.1 Configuration; 1.4.2 Results; 1.5 Conclusions; References; 2 Multi-DoF Interface Synchronization of Real-Time-Hybrid-Tests Using a Recursive-Least-Squares Adaption Law: A Numerical Evaluation; 2.1 Introduction; 2.2 Hybrid Testing Problem Formulation; 2.3 Adaptive Feedforward Algorithm; 2.4 Numerical Case Study; 2.5 Conclusion
5.6.4 TAM Definition Using "Modified" Guyan Reduction5.6.5 Further Reflections on "Modified" Guyan Reduction Results; 5.7 Concluding Remarks; A.1 Appendix: Exploitation of Generalized Modal Data; References; 6 Experimental Modal Substructuring with Nonlinear Modal Iwan Models to Capture Nonlinear Subcomponent Damping; 6.1 Introduction; 6.2 Theoretical Development; 6.2.1 Iwan Joint; 6.3 Simulated Application; 6.3.1 Estimating Modal Iwan Models for Substructure A; 6.3.2 Substructuring Predictions; 6.4 Conclusions; References; 7 A Modal Model to Simulate Typical Structural Dynamic Nonlinearity
Nomenclature7.1 Introduction and Motivation; 7.2 Experiment; 7.2.1 Hardware Description; 7.2.2 Test Set-Up; 7.2.3 Preliminary Modal Results; 7.3 Signal Processing; 7.3.1 Modal Filtering; 7.3.1.1 SMAC Modal Filter; 7.3.1.2 Full Modal Filter; 7.3.1.3 Single Modal Filter; 7.3.1.4 Modal Filter Results and Comparison; 7.3.2 Hilbert Transform and Band-Pass Sensitivity; 7.4 Nonlinear Models; 7.4.1 Modal Iwan Model; 7.4.2 FREEVIB; 7.4.3 Restoring Force Surface; 7.5 Results and Observations; 7.5.1 Simulation Results and Observations; 7.5.2 Discussion; 7.6 Conclusions
Summary Dynamics of Coupled Structures, Volume 4. Proceedings of the 34th IMAC, A Conference and Exposition on Dynamics of Multiphysical Systems: From Active Materials to Vibroacoustics, 2016, the fourth volume of ten from the Conference brings together contributions to this important area of research and engineering. Th e collection presents early findings and case studies on fundamental and applied aspects of Structural Dynamics, including papers on: • Experimental Dynamic Substructuring • Structural Coupling of Nonlinear Structures • Analytical/Numerical Modeling of Joints • Industrial Applications of Substructuring • Source Identifi cation & Transfer Path Analysis • Human Induced Vibrations • Damping & Friction
Notes International conference proceedings
Bibliography References3 Controls Based Hybrid Sub-Structuring Approach to Transfer Path Analysis; 3.1 Introduction; 3.2 Real Time Hybrid Substructuring; 3.3 Controls Approach to Transfer Path Hybrid Substructuring; 3.3.1 Physical Loading Using Auto Power Spectral Densities; 3.4 Numeric Example; 3.5 Experimental Example; 3.6 Conclusion; References; 4 Force Identification Based on Subspace Identification Algorithms and Homotopy Method; 4.1 Introduction; 4.2 System Identification Based on Subspace Identification Algorithm; 4.3 The Force Identification Model; 4.4 Practical Application; 4.5 Conclusions
References5 Response DOF Selection for Mapping Experimental Normal Modes-2016 Update; 5.1 Introduction; 5.2 Nomenclature; 5.3 Understanding Normal Modes; 5.4 Model Order Reduction Strategies; 5.4.1 Classic Guyan Reduction; 5.4.2 Modified Guyan Reduction; 5.4.3 General Model Order Reduction; 5.5 Reduced Order Model Orthogonality and Residual Kinetic Energy; 5.6 Branched Shell Illustrative Example; 5.6.1 Model Description and Dynamic Characteristics; 5.6.2 Allocation of instrumented DOFS (Accelerometers); 5.6.3 TAM Definition Using "Classical" Guyan Reduction
Notes Online resource; title from PDF title page (SpringerLink, viewed May 17, 2016)
Subject Modal analysis -- Congresses
Structural dynamics -- Congresses
TECHNOLOGY & ENGINEERING -- Civil -- General.
Modal analysis
Structural dynamics
Genre/Form proceedings (reports)
Conference papers and proceedings
Conference papers and proceedings.
Actes de congrès.
Form Electronic book
Author Allen, Matt (Mechanical engineer), editor.
Mayes, R. (Randy), editor.
Rixen, Daniel, editor.
ISBN 9783319297637
3319297635