Journal of Verification, Validation and Uncertainty Quantification: Recent submissions
Now showing items 21-40 of 203
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Automatic Ground-Truth Image Labeling for Deep Neural Network Training and Evaluation Using Industrial Robotics and Motion Capture
(The American Society of Mechanical Engineers (ASME), 2024)The United States Navy (USN) intends to increase the amount of uncrewed aircraft in a carrier air wing. To support this increase, carrier-based uncrewed aircraft will be required to have some level of autonomy as there ... -
Repeatability in Measurements and Control Settings of a Small Francis Turbine Test Rig
(The American Society of Mechanical Engineers (ASME), 2024)A reduced scaled-down hydraulic turbine test setup has been designed. The test setup is made to investigate the mitigation of pressure pulsations like the rotating vortex rope (RVR) and its formation and problems related ... -
Posterior Covariance Matrix Approximations
(The American Society of Mechanical Engineers (ASME), 2024)The Davis equation of state (EOS) is commonly used to model thermodynamic relationships for high explosive (HE) reactants. Typically, the parameters in the EOS are calibrated, with uncertainty, using a Bayesian framework ... -
Influence of Sampling Rate on Reproducibility and Accuracy of Miniature Kolsky Bar Experiments
(The American Society of Mechanical Engineers (ASME), 2024)The purpose of this work is to develop and verify a method for quantitatively analyzing data collected from Kolsky bar experiments and to confirm its validity by comparing it to a finite element (FE) model. This study also ... -
Impact of Imperfect Kolsky Bar Experiments Across Different Scales Assessed Using Finite Elements
(The American Society of Mechanical Engineers (ASME), 2024)Typical Kolsky bars are 10–20 mm in diameter with lengths of each main bar being on the scale of meters. To push 104+ strain rates, smaller systems are needed. As the diameter and mass decrease, the precision of the alignment ... -
Reviewer's Recognition
(The American Society of Mechanical Engineers (ASME), 2024) -
On the Verification of Finite Element Determinations of Stress Concentration Factors for Handbooks
(The American Society of Mechanical Engineers (ASME), 8/11/2023 )Here we offer an approach for being reasonably sure that finite element determinations of stress concentration factors are accurate enough to be included in engineering handbooks. The approach has two contributors. The ... -
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 ... -
Code Verification for the SENSEI CFD Code
(The American Society of Mechanical Engineers (ASME), 6/13/2023 )This work performs systematic studies for code verification for turbulence modeling in our research CFD code SENSEI. Turbulence modeling verification cases including cross term sinusoidal manufactured solutions and a few ... -
HYPAD-UQ: A Derivative-Based Uncertainty Quantification Method Using a Hypercomplex Finite Element Method
(The American Society of Mechanical Engineers (ASME), 6/13/2023 )A derivative-based uncertainty quantification (UQ) method called HYPAD-UQ that utilizes sensitivities from a computational model was developed to approximate the statistical moments and Sobol' indices of the model output. ... -
Experimental and Computational Study of Error and Uncertainty in Real-Time Camera-Based Tracking of a Two-Dimensional Marker for Orthopedic Surgical Navigation
(The American Society of Mechanical Engineers (ASME), 2023)Tracking of the position and orientation of a moving object by a camera can be accomplished by attaching a 2D marker with a specific pattern on the object. Recently, we have developed a projection-based surgical navigation ... -
Elastic–Plastic Properties of Mesoscale Electrodeposited LIGA Nickel Alloy Films: Analysis of Measurement Uncertainties
(The American Society of Mechanical Engineers (ASME), 2023)It is well documented that the microstructure and properties of electrodeposited films, such as lithographie, galvanoformung, abformung (LIGA) Ni and its alloys, are highly sensitive to processing conditions hence the ... -
Uncertainties Propagation and Global Sensitivity Analysis of the Aeolian Vibration of OPGW Cables
(The American Society of Mechanical Engineers (ASME), 2023)This paper is devoted to evaluating the quantification of uncertainty involved in the study of Aeolian vibrations of optical ground wire (OPGW) cable systems installed on overhead power transmission lines. The energy balance ... -
Probabilities of Agreement for Computational Model Validation
(The American Society of Mechanical Engineers (ASME), 2023)Determining whether a computational model is valid for its intended use requires the rigorous assessment of agreement between observed system responses of the computational model and the corresponding real world system or ... -
Influence of Interpolation Scheme on the Accuracy of Overset Method for Computing Rudder-Propeller Interaction
(The American Society of Mechanical Engineers (ASME), 2023)The overset method and associated interpolation schemes are usually thoroughly verified only on synthetic or academic test cases for which conclusions might not directly translate to real engineering problems. In the present ... -
Assessment of Model Validation, Calibration, and Prediction Approaches in the Presence of Uncertainty
(The American Society of Mechanical Engineers (ASME), 2023)Model validation is the process of determining the degree to which a model is an accurate representation of the true value in the real world. The results of a model validation study can be used to either quantify the model ... -
Reviewer's Recognition
(The American Society of Mechanical Engineers (ASME), 2023) -
Assessment of Model Validation, Calibration, and Prediction Approaches in the Presence of Uncertainty
(The American Society of Mechanical Engineers (ASME), 2023)Model validation is the process of determining the degree to which a model is an accurate representation of the true value in the real world. The results of a model validation study can be used to either quantify the model ... -
Validation and Applicability Analysis of a Computational Model of External Defibrillation
(The American Society of Mechanical Engineers (ASME), 2023)Survival rates for sudden cardiac death treated with external defibrillation are estimated to be up to five times greater compared to cardiopulmonary resuscitation alone. Computational modeling can be used to investigate ... -
Estimating Discretization Error With Prescribed Orders of Accuracy and Fractional Refinement Ratios
(The American Society of Mechanical Engineers (ASME), 2023)Solution verification is crucial for establishing the reliability of simulations. A central challenge is to estimate the discretization error accurately and reliably. Many approaches to this estimation are based on the ...