Dynamics of Coupled Structures, Volume 4: Proceedings of the 34th Imac, a Conference and Exposition on Structural Dynamics 2016

ISBN-13: 9783319297620 / Angielski / Twarda / 2016 / 528 str.

Matt Allen; Randall L. Mayes; Daniel Rixen

Opis

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 second 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 Structural Dynamics, including papers on:

Substructuring and the Ampair Wind Turbine Test Bed

Experimental Dynamic Substructuring

Reduced Order Models

Experimental Studies of Joints and Joined Structures

Analytical/Numerical Modeling of Joints

Industrial Applications of Substructuring

Spis treści

1 Verification of Experimental Component Mode Synthesis in the Sierra Analysis Framework.- 2 Multi-DoF Interface Synchronization of Real-Time-Hybrid-Tests Using a Recursive-Least-Squares Adaption Law:A Numerical Evaluation.- 3 Controls Based Hybrid Sub-structuring Approach  to Transfer Path Analysis.- 4 Force Identification Based on Subspace Identification Algorithms and Homotopy Method.- 5 Response DOF Selection for Mapping Experimental Normal Modes-2016 Update.- 6 Experimental Modal Substructuring with Nonlinear Modal Iwan Models to Capture Nonlinear Subcomponent Damping.- 7 A Modal Model to Simulate Typical Structural Dynamic Nonlinearity.- 8 Optimal Replacement of Coupling DoFs in Substructure Decoupling.- 9 State-Space Substructuring With Transmission Simulator.- 10 Applying the Transmission Simulator Techniques to the Ampair 600 Wind Turbine Testbed.- 11 Effect of Interface Substitute when Applying Frequency Based Substructuring to the Ampair600 Wind Turbine Rotor Assembly.- 12 Improving Floor Vibration Performance Using Interstitial Columns.- 13 Probabilistic Model Updating of Controller Models for Groups of People in a Standing Position.- 14 Fundamental Frequency of Lightweight Cold-Formed Steel Floor Systems.- 15 Fundamental Studies of AVC with Actuator Dynamics.- 16 Mitigating Existing Floor Vibration Issues in a School Renovation.- 17 Vibration Serviceability Assessment of An In-service Pedestrian Bridge Under Human-Induced Excitations.- 18 Numerical and Experimental Studies on Scale Models of Lightweight Building Structures.- 19 A Wavelet-based Approach for Generating Individual Jumping Loads.- 20 A Numerical Round Robin for the Prediction of the Dynamics of Jointed Structures.- 21 A Method to Capture Macroslip at Bolted Interfaces.- 22 A Reduced Iwan Model That Includes Pinning for Bolted Joint Mechanics.- 23 Nonlinear Vibration Phenomena in Aero-engine Measurements.- 24 Instantaneous Frequency and Damping from Transient Ring-Down Data.- 25 Explicit Modelling of Microslip Behaviour in dry Friction Contact.- 26 Modal Testing Through Forced Sine Vibrations of a Timber Footbridge.- 27 Damping Characteristics of a Footbridge - Mysteries and Truths.- 28 A Critical Analysis of Simplified Procedures for Footbridges’ Serviceability Assessment.- 29 Human-Induced Vibrations of Footbridges: The Effect of Vertical Human-Structure Interaction.- 30 Nonlinear Time-Varying Dynamic Analysis of a Multi-Mesh Spur Gear Train.- 31 Energy Dissipation of a System with Foam to Metal Interfaces.- 32 Nonlinear System Identification of Mechanical Interfaces Based on Wave Scattering.- 33 Studies of a Geometrical Nonlinear Friction Damped System Using NNMs.- 34 Scale-Dependent Modeling of Joint Behavior.- 35 Robust Occupant Detection Through Step-Induced Floor Vibration By Incorporating Structural Characteristics.- Assessment of Large Error Time-Differences for Localization in a Plate Simulation.- 37 Assessment of Large Error Time-Differences for Localization in a Plate Simulation.- 37 Gender Classification Using Underfloor Accelerometry.- 38 Human-structure Interaction and Implications.- 39 Study of Human-Structure Dynamic Interactions.- 40 Characterisation of Transient Actions Induced by Spectators on Sport Stadia.- 41 Recent Issues on Stadium Monitoring and Serviceability: a Review.- 42 Characterising Randomness in Human Actions on Civil Engineering Structures.- 43 Optimal Restraint Conditions for the SID-IIs Dummy with Different Objective Functions.- 44 A Comparison of Common Model Updating Approaches.- 45 Experimental Coupling and Decoupling of Engineering Structures Using Frequency-based Substructuring.- 46 New FRF Based Methods for Substructure Decoupling.- 47 Experimental Determination of Frictional Interface Models.- 48 Effects of Experimental Methods on the Measurements of a Nonlinear Structure.- 49 Stress Waves Propagating Through Bolted Joints.- 50 A Comparison of Reduced Order Modeling Techniques Used in Dynamic Substructuring.

O autorze

Dr. Matt Allen is Assistant Professor in the Department of Engineering Physics,

University of Wisconsin, Madison; Mr. Randy Mayes is a research engineer Sandia National Laboratory, Albuquerque, NM; Prof. Dr. Daniel J. Rixen is Professor and 

Chair of the Institute of Applied Mechanics, Technische Universität München, Germany.

 

Blurb

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