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Author International Modal Analysis Conference (35th : 2017 : Garden Grove, Calif.)

Title Dynamics of coupled structures. Volume 4 : proceedings of the 35th IMAC, a Conference and Exposition on Structural Dynamics 2017 / Matthew S. Allen, Randall L. Mayes, Daniel Jean Rixen, editors
Published Cham, Switzerland : Springer, 2017
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Description 1 online resource
Series Conference proceedings of the Society for Experimental Mechanics series, 2191-5644
Conference proceedings of the Society for Experimental Mechanics series.
Contents Preface; Contents; 1 Techniques for Verification of Structural Acoustic Models; Notation; Abbreviations; 1.1 Background; 1.1.1 Introduction; 1.1.2 Verification and Validation; 1.1.3 Mathematical Models; 1.1.3.1 The Acoustic Wave Equation; 1.1.3.2 The Helmholtz Equation; 1.1.3.3 The Free-Field Green's Function: Fundamental Solution of the Helmholtz Equation; 1.2 BEM Formulation and the Computational Model; 1.2.1 Direct BIE Formulation for Helmholtz Equation; 1.2.2 Non-uniqueness and Regularization; 1.2.3 Solution Schemes for the Boundary Integral Equation; 1.3 Code Verification Examples
1.3.1 Interior Pressure Due to a Circular Vibrator; 1.3.2 Exterior Pressure Due to a Circular Vibrator; 1.3.3 Interior Pressure Due to a Pulsating Sphere; 1.3.4 Exterior Pressure Due to a Pulsating Sphere; 1.4 Solution Verification Examples; 1.4.1 Gear Whine Prediction; 1.5 Results and Discussion; 1.6 Conclusions; References; 2 Substructuring of Viscoelastic Subcomponents with Interface Reduction; 2.1 Introduction; 2.2 Theoretical Development; 2.2.1 Linearized Complex Fixed-Interface Modes; 2.2.2 Pseudo-Static Constraint Modes; 2.2.3 Subcomponent Model Reduction; 2.2.4 Assembly
2.2.5 System-Level Interface Reduction; 2.3 Numerical Results: Composite Plate Assembly; 2.3.1 Substructuring with Pseudo-Static Constraint Modes; 2.3.2 Substructuring with Interface Reduction; 2.3.3 Upfront Computational Cost; 2.4 Conclusion; References; 3 Parameter Estimation of Joint Models Using Global Optimization; 3.1 Introduction; 3.2 Modeling and Calibration; 3.2.1 Whole Joint Models; 3.2.2 Objective Function; 3.2.3 Genetic Algorithm; 3.3 Results; 3.3.1 Experimental Hardware and Data; 3.3.2 Optimal Model Parameters; 3.3.3 Validation with Sine Sweeps; 3.4 Conclusion; References
4 Real-Time Hybrid Simulation of an Unmanned Aerial Vehicle; 4.1 Introduction; 4.2 Concept; 4.3 System Modelling; 4.4 Implementation and Setup; 4.5 Experimental Results; 4.6 Conclusions; References; 5 An Integration of Mixed Contact Formulation with Model-Reduction Techniques; 5.1 Introduction; 5.2 Craig-Bampton Method; 5.3 Contact Formulation; 5.4 Conclusions; References; 6 Identification Reassembly Uncertainties for a Basic Lap Joint; 6.1 Introduction; 6.2 Nonlinear Lap Joint Response; 6.3 Nominal Nonlinear Response; 6.4 Friction Input Parameters; 6.5 Bolt Load; 6.6 Interface Curvature
6.7 Discussion; 6.8 Conclusions; References; 7 Effect of Far-Field Structure on Joint Properties; 7.1 Introduction; 7.2 Experimental Investigation; 7.2.1 Experimental Setup; 7.2.2 Linear Experimental Analysis; 7.2.3 Nonlinear Experimental Analysis; 7.2.3.1 Impact Test Characterization; 7.2.3.2 Damping Shift Comparison; 7.2.4 Nonlinear Characterization Using Hilbert Transform; 7.2.4.1 Data Filtering; 7.2.4.2 Nonlinear Characterization; 7.3 Numerical Investigation; 7.3.1 Nonlinear Amplitude Dependent Properties from Quasi-static Finite Element; 7.3.1.1 Modeling Procedure
Summary Dynamics of Coupled Structures, Volume 4: Proceedings of the 35th IMAC, A Conference and Exposition on Structural Dynamics, 2017, the fourth volume of ten from the Conference brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of the Dynamics of Coupled Structures, including papers on: Experimental Nonlinear Dynamics Joints, Friction & Damping Nonlinear Substructuring Transfer Path Analysis and Source Characterization Analytical Substructuring & Numerical Reduction Techniques Real Time Substructuring Assembling & Decoupling Substructures & Boundary Conditions
Notes Online resource; title from PDF title page (SpringerLink, viewed May 4, 2017)
Subject Modal analysis -- Congresses.
Structural dynamics -- Congresses.
Genre/Form Conference papers and proceedings.
Conference papers and proceedings.
Form Electronic book
Author Allen, Matt (Mechanical engineer), editor
Mayes, R. (Randy), editor
Rixen, Daniel, editor
ISBN 3319549308 (electronic bk.)
9783319549309 (electronic bk.)
(print)