Model Validation and Uncertainty Quantification, Volume 3: Proceedings of the 39th IMAC, A Conference and Exposition on Structural Dynamics 2021

Preface
Contents
Effect of Inspection Errors in Optimal Maintenance Decisions for Deteriorating Quoin Blocks in Miter Gates
	1 Introduction
	2 Reported OCA Transition Matrix to True OCA Transition Matrix
	3 Framework and Results
	4 Conclusion
	References
Model Uncertainty Quantification and Updating of a Boundary Condition Model of a Miter Gate Using Strain Measurements
	1 Introduction
	2 Multilevel Simulation Models
	3 Modularized Bayesian Calibration of the Multilevel Model
	4 Results
	5 Conclusions
	References
Fusion of Test and Analysis: Artemis I Booster to Mobile Launcher Interface Validation
	1 Introduction
	2 Booster Pull Test Overview
	3 Historical Perspective
	4 Understanding Booster AFT Skirt to ML VSP Interface Flexibility
	5 Understanding Booster to ML Coupling
	6 Simulating the Booster Pull Test
	7 Booster Dynamic Excitation
	8 Conclusion
	References
Quantifying the Benefits of Structural Health Monitoring Using Value of Information and Decision Risk Modeling
	1 Introduction
	2 Miter Gate and Decision-Making Framework
	3 Preposterior Decision Analysis and Expected Value of Information
	4 A Simple Example of Preposterior Decision Analysis
	5 Conclusion and Ongoing Investigation
	References
Error Localization Examples: Looking for a Needle in a Haystack
	1 Introduction
	2 Model Calibration Process
	3 Error Localization Examples
		3.1 Cantilever Beam
		3.2 Cantilever Tube
		3.3 Isogrid Panel
	4 Conclusions
	References
WaveImage Bridges the Gap Between Measurement and Simulation. An Application Example of How to Create a Modal Digital Twin Using FE Model Updating
	Nomenclature
	1 Introduction
	2 Theory
	3 Measurement Setup
	4 Analysis
	5 Conclusion
	References
Virtual Sensing for Wind Turbine Blade Full Field Response Estimation in Operational Modal Analysis
	1 Introduction
	2 Pull and Release Tests for Wind Turbine Blades Operational Modal Analysis
	3 Response-Input Estimation During Pull and Release Tests on the Research Blade
	4 Conclusions
	References
Dynamics of a Nonlinear Oscillator: Dependencies on Extrinsic Conditions and Model Form Uncertainty
	1 Introduction
	2 Modeling
		2.1 Manufacturing Process Uncertainty
		2.2 Assembly Condition Variability
		2.3 Environmental Uncertainty
		2.4 Computational Implementation
	3 Analysis
		3.1 Material Parameter Uncertainty
		3.2 Preload Uncertainty
		3.3 Excitation Uncertainty
	4 Conclusion
	References
Uncertainty Quantification and Effectiveness of Cantilevered Pipeline Conveying Fluid with Constraints
	1 Introduction
	2 Modeling
	3 Analysis
	4 Conclusions
	References
Playability of a 1734 Guarneri Cello: Info-Gap Robustness Analysis of Uncertainty
	1 Introduction
	2 Analysis
	3 Results
	4 Conclusion
	References
Uncertainty Quantification of Axially Loaded Beams with Boundary Condition Imperfections
	1 Introduction
	2 System\'s Modeling
	3 System\'s Sensitivity to Input Parameter Uncertainties
	4 Conclusions
	References
Parameter Uncertainty Effects on the Buckling Characteristics of Cylindrical Structures in a Thermal Environment
	1 Introduction
	2 Thermal Load Representations and System\'s Modeling
	3 Results and Discussion
	4 Conclusions
	References
An Initial Concept for an Error-Based Digital Twin Framework for Dynamics Applications
	1 Introduction
	2 An Error-Based Mathematical Framework
		2.1 Initial Framework
		2.2 Parameter Updating Procedure
		2.3 Temporal Evolution
	3 Single Degree-of-Freedom Oscillator
	4 Three Storey Building
	5 Discussion
	6 Conclusion
	References
Hierarchical Bayesian Model Updating for Nonlinear Structures Using Response Time Histories
	1 Introduction
	2 Methodology
	3 Application
	References
SLS Integrated Modal Test Uncertainty Quantification Using the Hybrid Parametric Variation Method
	Acronyms
	1 Introduction
	2 Theory
		2.1 Randomization of Component FI Eigenvalues Using Gaussian Process Models
		2.2 Mixed-Boundary Approach for Assigning HCB Eigenvalue Dispersions
	3 Hurty/Craig-Bampton Uncertainty Models
		3.1 Mass Simulator for Orion
		3.2 Interim Cryogenic Propulsion Stage
		3.3 Core Stage
	4 IMT UQ Analysis
	5 Conclusion
	References
A Forward Model Driven Structural Health Monitoring Paradigm: Damage Detection
	1 Introduction
	2 Methodology
	3 Case Study
		3.1 Model Description
		3.2 Experimental Procedure
		3.3 Feature Selection
		3.4 Classifier Training
		3.5 Classification Results
	4 Conclusion
	Reference
Uncertainty Quantification of Inducer Eigenvalues Using Conditional Assessment of Models and Modal Test of Simpler Systems
	Nomenclature
	1 Introduction
	2 Literature Survey
	3 Conditional Covariance
	4 Application of Technique to Pathfinder Case
	5 Application of Technique to Inducer
	6 Conditional Variance Results for FS Inducer 0ND Mode
	7 Conclusion and Future Work
	References
Application of Speaker Recognition x-Vectors to Structural Health Monitoring
	1 Introduction
	2 Data Preparation
		2.1 Data Resources
		2.2 Training and Test Data
		2.3 Local Damage Labeling
	3 Analysis
		3.1 Data Augmentation
		3.2 Feature Selection
		3.3 Time-Delay Neural Network Architecture
		3.4 PLDA Classification
		3.5 Local Damage Identification
		3.6 Validation on LANL Datasets
	4 Results
	5 Conclusion
	References
Equation Discovery Using an Efficient Variational Bayesian Approach with Spike-and-Slab Priors
	1 Introduction
	2 Linear Regression Model with Spike-and-Slab Prior
	3 Variational Bayesian Inference for Variable Selection
		3.1 Variational Bayes
		3.2 Initialisation and Convergence
		3.3 Bayesian Variable Selection
	4 Numerical Studies
		4.1 Performance Comparison Using Monte Carlo Simulations
	5 Conclusions
	References
Bayesian Finite Element Model Updating Using an Improved Evolution Markov Chain Algorithm
	1 Introduction
	2 Bayesian Inference
	3 Markov Chain Monte Carlo Algorithms
		3.1 Metropolis-Hastings (M-H) Algorithm
		3.2 Standard DE-MC Algorithm
		3.3 Standard DE-MCS Algorithm
	4 Application: F-shaped Structure
	5 Conclusion
	References
Using Dead and Thermal Loads to Capture the Behavioral Changes of a Cable-Stayed Bridge
	1 Introduction
	2 Background
	3 Analysis
	4 Conclusion
	References
Vibration-Based Damage Detection Framework of Large-Scale Structural Systems
	1 Introduction
	2 Transmittance Function Theoretical Basis
	3 Transmittance Function Based Damage Detection
	4 Transmittance Based Finite Element Model Updating Formulation
	5 Experimental Application and FE Model Updating
	6 Damage Detection
	7 Conclusion
	References