http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proceedings of the 41st IMAC, A Conference and Exposition on Structural Dynamics 2023
Dynamics of Coupled Structures, Volume 4: Proceedings of the 41st IMAC, A Conference and Exposition on Structural Dynamics, 2023, 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: Real-Time/Hybrid Substructuring Transfer Path Analysis Frequency Based Substructuring The Substructuring Benchmark Challenge New Challenges and Approaches in Substructuring.
Intro -- Preface -- Contents -- 1 A Genetic Algorithm-Based Optimization Approach for Fixture Design that Preserves Desired Dynamic Response Characteristics -- 1.1 Introduction -- 1.2 Approach -- 1.3 Problem Setup and Analysis -- 1.4 Results -- 1.5 Conclusions -- References -- 2 Substructure Modeling and Interface Characterization of Lap-Joint Beam -- 2.1 Introduction -- 2.2 Lap-Joint Beam and Substructure Modeling -- 2.3 Eigenvalue Problem Validation -- 2.4 Conclusions -- References -- 3 Characterization of Rubber Mounts Through Virtual Point Transformation Using Different Boundary Conditions in the Context of Dynamic Substructuring -- 3.1 introduction -- 3.2 Virtual Point Transformation -- 3.3 System of Study -- 3.4 Error Evaluation -- 3.5 Measurements in Free-Free Boundary Conditions -- 3.6 Measurements in Fixed Boundary Conditions -- 3.7 Conclusions -- References -- 4 Investigation of Multiple Branches in Nonlinear Oscillators Using Real-Time Hybrid Testing -- 4.1 Introduction -- 4.2 Analytical Model and Approximate Solution -- 4.3 Variable System Configuration -- 4.4 Experimental Results -- 4.5 Conclusion -- References -- 5 A First Experience with Multidimensional Contact Real-Time Hybrid Substructuring: Toward Testing of Foot Prostheses -- 5.1 Introduction -- 5.2 System Design -- 5.3 Simulation Setup -- 5.4 Normalized Passivity Control (NPC) -- 5.5 Simulation Results -- 5.6 Conclusion -- 5.7 Appendix -- References -- 6 Real-Time Hybrid Substructuring Using an Inertial Shaker Transfer System -- 6.1 Introduction -- 6.2 Real-Time Hybrid Substructuring (RTHS) Realizations -- 6.2.1 Realization 1 -- 6.2.2 Realization 2 -- 6.3 Experimental Setup -- 6.3.1 Fully Experimental Setup -- 6.3.2 Fully Numerical Setup -- 6.3.3 Transfer System Compensation -- 6.3.4 Realization 1 Setup -- 6.3.5 Realization 2 Setup -- 6.4 Results.
6.4.1 System Identification -- 6.4.2 RTHS Tests -- 6.5 Conclusion -- References -- 7 A Review of Using Transfer Path Analysis Methods to Derive Multi-axis VibrationEnvironments -- 7.1 Introduction and Motivation -- 7.2 Transfer Path Analysis Theoretical Background -- 7.3 Example of a Basic System -- 7.4 Discussion -- 7.5 Areas for Future Work -- 7.6 Conclusions -- References -- 8 How Virtual Points, Component TPA, and Frequency-Based Substructuring Disrupted the Vehicle Suspension Development Process -- 8.1 Introduction -- 8.2 Approach -- 8.2.1 System Modeling -- 8.2.2 System VP-FRF -- 8.2.3 Blocked Forces -- 8.2.4 Stiffness Injection -- 8.2.5 Genetic Algorithm Optimization -- 8.3 Conclusion -- References -- 9 In-Situ Component-Based TPA for Time-Variant Dynamic Systems: A State-Space Formulation -- 9.1 Introduction -- 9.2 In-Situ Component-Based TPA -- 9.3 Linear Parameter-Varying models -- 9.4 Numerical Example -- 9.5 Conclusion -- References -- 10 Isolation and Expansion of Gyroscopic Effects Using Frequency-Based Substructuring -- 10.1 Gyroscopic Terms -- 10.2 Isolation and Expansion Using Frequency-Based Substructuring -- 10.2.1 Isolation -- 10.2.1.1 Virtual Point Transformation -- 10.2.1.2 Decoupling -- 10.2.1.3 Parameterization -- 10.2.2 Expansion -- 10.3 Isolation and Expansion by Using Symmetry -- 10.4 Simulation Results -- 10.5 Conclusion and Outlook -- Appendix -- Note on Singularity in LM-FBS -- References -- 11 Development of Power Flow Sensitivity Analysis for Experimental Data Using Virtual Point Transformation -- 11.1 Introduction -- 11.2 Virtual Point Transformation -- 11.3 Experimental Power Flow Sensitivity -- 11.4 Quality Indicators -- 11.5 Case Study: Complex Conjugate Impedance -- 11.6 Results -- 11.7 Conclusion -- References -- 12 An Experimental Exercise as Part of the Substructuring Benchmark Structure Challenge.
12.1 Introduction -- 12.2 Substructuring Exercise -- 12.3 Vibrational Testing -- 12.4 Conclusion -- References -- 13 Using Component-Based TPA to Translate Vibration Environments Between Versions of the Round-Robin Structure with FRFs Derived from Analytical Models -- 13.1 Introduction and Motivation -- 13.2 Description of the System Under Study -- 13.3 Description of the Performed Experiments -- 13.4 Initial TPA Efforts and Results -- 13.5 Conclusions -- References -- 14 Fixture Design and Analysis for Multi-axis Mechanical Shock Testing -- 14.1 Introduction -- 14.2 Angle Bracket Fixture Design -- 14.3 Simulation Results -- 14.4 Conclusions -- References.
edited by Matthew Allen, Walter D'Ambrogio, Dan Roettgen.
Conference proceedings of the Society for Experimental Mechanics series