Browsing Journal of Verification, Validation and Uncertainty Quantification by Title
Now showing items 1-20 of 199
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A Bayesian Multi-Fidelity Neural Network to Predict Nonlinear Frequency Backbone Curves
(The American Society of Mechanical Engineers (ASME), 2024)The use of structural mechanics models during the design process often leads to the development of models of varying fidelity. Often low-fidelity models are efficient to simulate but lack accuracy, while the high-fidelity ... -
A Curved Surface Integral Method for Reliability Analysis of Multiple Failure Modes System With Nonoverlapping Failure Domains
(The American Society of Mechanical Engineers (ASME), 2024)In the study of reliability of systems with multiple failure modes, approximations can be obtained by calculating the probability of failure for each state function. The first-order reliability method and the second-order ... -
A Framework for Developing Systematic Testbeds for Multifidelity Optimization Techniques
(The American Society of Mechanical Engineers (ASME), 2024)Multifidelity (MF) models abound in simulation-based engineering. Many MF strategies have been proposed to improve the efficiency in engineering processes, especially in design optimization. When it comes to assessing the ... -
A Framework for In Silico Clinical Trials for Medical Devices Using Concepts From Model Verification, Validation, and Uncertainty Quantification
(The American Society of Mechanical Engineers (ASME), 2022)The rising costs of clinical trials for medical devices in recent years has led to an increased interest in what are called in silico clinical trials, where simulation results are used to supplement or to replace those ... -
A Framework for Test to Test Averaging and Representation of Asynchronous Spatial Measurements
(The American Society of Mechanical Engineers (ASME), 2016)Many experimental programs utilize traversing probes to measure spatial profiles of a variable. These measurements are taken asynchronously because the probe measures one location at a time. During an experiment of this ... -
A Linear Regression Framework for the Verification of Bayesian Model Calibration Algorithms
(The American Society of Mechanical Engineers (ASME), 2017)We describe a framework for the verification of Bayesian model calibration routines. The framework is based on linear regression and can be configured to verify calibration to data with a range of observation error ... -
A Methodology for the Efficient Quantification of Parameter and Model Uncertainty
(The American Society of Mechanical Engineers (ASME), 2022)Complex structural systems often entail computationally intensive models that require efficient methods for statistical model calibration due to the high number of required model evaluations. In this paper, we present a ... -
A Modified Directional Flame Thermometer: Development, Calibration, and Uncertainty Quantification
(The American Society of Mechanical Engineers (ASME), 2020)The directional flame thermometer (DFT) is a robust device used to measure heat fluxes in harsh environments such as fire scenarios but is large when compared to other standard heat flux measurement devices. To better ... -
A New Extrapolation-Based Uncertainty Estimator for Computational Fluid Dynamics
(The American Society of Mechanical Engineers (ASME), 2016)A new Richardson extrapolation-based uncertainty estimator is developed which utilizes a global order of accuracy. The most significant difference between the proposed uncertainty estimator (referred to as the global ... -
A Nonstationary Uncertainty Model and Bayesian Calibration of Strain-Life Models
(The American Society of Mechanical Engineers (ASME), 2021)The Coffin–Manson–Basquin–Haford (CMBH) model is a well-accepted strain-life relationship to model fatigue life as a function of applied strain. In this paper, we propose a nonstationary uncertainty model for the CMBH ... -
A Practical Validation Assessment Workflow
(The American Society of Mechanical Engineers (ASME), 2020)Validation assessments should respond to a diverse set of stakeholders, each with different questions and needs relevant to validation. A single metric designed to address each validation need can inadvertently lead to ... -
A Robust Approach to Quantification of Margin and Uncertainty
(The American Society of Mechanical Engineers (ASME), 2017)A systematic approach to defining margin in a manner that incorporates statistical information and accommodates data uncertainty but does not require assumptions about specific forms of the tails of distributions is ... -
A Validation of Flare Combustion Efficiency Predictions From Large Eddy Simulations
(The American Society of Mechanical Engineers (ASME), 2016) -
A Validation Study on Dynamic Response and Failure Analysis of Large Unconfined Pipes Under Localized Blast Loading Using an Explicit Dynamic Approach
(The American Society of Mechanical Engineers (ASME), 2024)This study utilized an explicit dynamic approach to analyze the dynamic behavior of large-diameter pipes subjected to localized blast loading. The objective of the validation study was to investigate the effects of the ... -
A Visual Sensitivity Analysis for Parameter-Augmented Ensembles of Curves
(The American Society of Mechanical Engineers (ASME), 2020)Engineers and computational scientists often study the behavior of their simulations by repeated solutions with variations in their parameters, which can be, for instance, boundary values or initial conditions. Through ... -
Adaptive Kriging Method for Uncertainty Quantification of the Photoelectron Sheath and Dust Levitation on the Lunar Surface
(The American Society of Mechanical Engineers (ASME), 2021)This paper presents an adaptive Kriging based method to perform uncertainty quantification (UQ) of the photoelectron sheath and dust levitation on the lunar surface. The objective of this study is to identify the upper and ... -
An Investigation of Tooth Tip Leakages in Gerotor Pumps: Modeling and Experimental Validation
(The American Society of Mechanical Engineers (ASME), 2020)Gerotors are inexpensive positive displacement pumps commonly used in hydrostatic transmissions, fuel injection, and automotive lubrication systems. In these pumps, leakages at the tooth tips of the gears are the major ... -
Analysis of Roll Decay for Surface-Ship Model Experiments With Uncertainty Estimates
(The American Society of Mechanical Engineers (ASME), 8/2/2023 1)Roll decay of David Taylor model basin (DTMB) Model 5720, a 23rd-scale free-running model of the research vessel (R/V) Melville, is evaluated with uncertainty estimates. Experimental roll-decay time series was accurately ... -
Analytic Solutions as a Tool for Verification and Validation of a Multiphysics Model
(The American Society of Mechanical Engineers (ASME), 2020)Computational physicists are commonly faced with the task of resolving discrepancies between the predictions of a complex, integrated multiphysics numerical simulation, and corresponding experimental datasets. Such efforts ... -
Analytical and Numerical Modeling of Soil Cutting and Transportation During Auger Drilling Operation
(The American Society of Mechanical Engineers (ASME), 2020)Soil drilling operation has become one of the most important interests to researchers due to its many applications in engineering systems. Auger drilling is one of the ideal methods in many applications such as pile ...