Dynamics of Coupled Structures, Volume 1: Proceedings of the 32nd Imac, a Conference and Exposition on Structural Dynamics, 2014

ISBN-13: 9783319353098 / Angielski / Miękka / 2016 / 472 str.

Matt Allen; Randall L. Mayes; Daniel J. Rixen

Opis

This first volume of eight from the IMAC-XXXII 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:

• Linear Systems
• Substructure Modelling
• Adaptive Structures
• Experimental Techniques
• Analytical Methods
• Damage Detection
• Damping of Materials & Members
• Modal Parameter Identification
• Modal Testing Methods
• System Identification
• Active Control
• Modal Parameter Estimation
• Processing Modal Data

Spis treści

Craig-Bampton Substructuring for Geometrically Nonlinear Subcomponents.- Prediction of Forced Response on Ancillary Subsystem Components Attached to Linear Systems.- Prediction of Dynamics of Modified Machine Tool by Experimental Substructuring.- Numerical and Experimental Investigation of a Jointed Friction Oscillator.- Full Field Dynamic Strain on Wind Turbine Blade Using Digital Image Correlation Techniques and Limited Sets of Measured Data from Photogrammetric Targets.- Artificial and Natural Excitation Testing of SWIFT Vestas 27 Wind Turbines.- Modal Testing and Model Validation Issues of SWIFT Turbine Tests.- Comparison of Multiple Mass Property Estimation Techniques on SWIFT Vestas 27 Wind Turbine Nacelles and Hubs.- Coupling Elements for Substructure Modeling of Lightweight Multi-storey Buildings.- Efficient Model Order Reduction for the Nonlinear Dynamics of Jointed Structures by the use of Trial Vector Derivatives.- Amplitude dependency on dynamic properties of a rubber mount.- Improving Model Predictions Through Partitioned Analysis.- Deformation Mode Selection and Orthonormalization for Efficient Rolling Contact Simulations.- Model Order Reduction for Geometric Nonlinear Structures with Variable State-Dependent Basis.- A Complex Power Approach to Characterize Joints in Experimental Dynamic Substructuring.- Novel Parametric Reduced Order Model for Aeroengine Blade Dynamics.- Hybrid Modelling of Floating Raft System by FRF-based Substructuring Method With Elastic Coupling.- Practical Seismic FSSI Analysis of Multiply-supported Secondary Tanks System.- A Wiki for Sharing Substructuring Methods, Measurements and Information.- Comparison of Model Reduction Techniques of an NREL 5MW Offshore Wind Turbine Blade.- Experimental identification and simulation of rotor damping.- Experimental Dynamic Substructuring using Measured Impulse Response Functions.- Validation of Blocked-force Transfer Path Analysis with Compensation for Test Bench Dynamics.- A Craig-Bampton Experimental Substructure Using a Rigid or Quasi-rigid Transmission Simulator.- Experimental Dynamic Substructuring of the Ampair Wind Turbine Test Bed.- DEIM for the Efficient Computation of Nonlinear Interface Stresses.- Are Rotational DoFs Essential in Substructure Decoupling?.- Contact Issues in Experimental Substructuring With Application on A600 Components.- A Substructured Nonlinear Time Integration Method Using Dual Domain Decomposition.- Test Method Development for Nonlinear Damping Extraction of Dovetail Joints.- Consideration of Interface Damping in Shrouded Mistuned Turbine Blades.- Overview of the Dynamic Characterization at the SWiFT Wind Facility.- Parameterized Reduced Order Models Constructed Using Hyper Dual Numbers.- Model Updating of the Ampair Wind Turbine Substructures.- Stochastic Modeling of Complex Geometries With High-dimensional Aleatoric Uncertainty.- Effects of Boundary Conditions on the Structural Dynamics of Wind Turbine Blades. Part I Flapwise Modes.- Model Reduction for Flexible Multibody Systems Undergoing Large Elastic Deflections.- Effects of Boundary Conditions on the Structural Dynamics of Wind Turbine Blades.- Part II Edgewise Modes.- Direct Decoupling Versus Transfer Path Analysis in Inverse Dynamic Substructuring.- Coupled Vibro-acoustics of a Membrane-cavity System and Parametric Analysis.- Experimental-analytical Dynamic Substructuring of Ampair Testbed: a State-Space Approach.- Substructuring Techniques for Finite Element Models (Tutorial) (2-hr).- Microslip Joint Damping Prediction Using Thin Layer Elements.- A Substructuring Method for Geometrically Nonlinear Structures.- Impact of Support Compliance on Dynamic Behavior of Timber Floors.- Experimental Nonlinearities in an L-shaped Flange Joint.- Damping Identification of Jointed Structures with Friction Interface.- An Approach to Identification and Simulation of Vibration Mount Dynamics.- Modeling Tape Joint Structures and Accounting for Uncertainties.- Application of a Novel Method to Identify Multi-axis Joint Properties.- Static Torsional Stiffness From Dynamic Measurements Using Impedance Modeling Technique.- Model Reduction and Lumped Models for Jointed Structures.

Blurb

This critical collection examines a range of the dynamics of coupled structures, from reduced order models to industrial applications of substructuring to experimental studies of joints and joined structures, as presented in early findings and case studies from the Proceedings of the 32^nd IMAC, A Conference and Exposition on Structural Dynamics, 2014. The collection includes papers in the following general technical research areas:

·         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