Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems: Recent submissions
Now showing items 181-200 of 219
-
Vibration Response-Based Fault Diagnosis of Cylindrical Roller Bearing Using Response Surface Methodology
(The American Society of Mechanical Engineers (ASME), 2020)Bearing defects are major causes for rotary machine breakdown; hence, the dynamic behavior of bearing is crucial and important. This paper aims to present the dynamic response of bearing due to various localized defects. ... -
Nondestructive Inspection Results From Mockups of Spent Nuclear Fuel Storage Canisters Using Shear-Horizontal Waves Generated by an Electromagnetic Acoustic Transducer
(The American Society of Mechanical Engineers (ASME), 2020)A robotic nondestructive inspection system developed for stainless steel dry storage canisters containing spent nuclear fuel was tested on a range of mockups in order to assess different aspects of the system. The ... -
Utilizing Tribological System Parameters as a Harbinger of Distress in Dynamically and Aerothermally Coupled Systems
(American Society of Mechanical Engineers (ASME), 2019)This paper summarizes a data fusion approach for utilizing conventional lubrication parameters in an unconventional method for identifying deterioration in a thermally coupled system. Complex machines are composed of ... -
Vibration-Based Healing Assessment of an Internally Fixated Femur
(American Society of Mechanical Engineers (ASME), 2019)The current techniques in assessing the healing of a fixated fractured long bone, which include X-ray, computed tomography (CT), and manual manipulation, are qualitative and its accuracy depends on the surgeon's experience. ... -
Damage Classification and Feature Extraction in Steel Moment-Resisting Frame Using Time-Varying Autoregressive Model
(American Society of Mechanical Engineers (ASME), 2019)In this paper, the time-varying autoregressive (TVAR) model is integrated with the K-means—clustering technique to detect the damage in the steel moment-resisting frame. The damage is detected in the frame using nonstationary ... -
Modeling and Identification of the Mechanical Properties of Achilles Tendon With Application in Health Monitoring
(American Society of Mechanical Engineers (ASME), 2019)In this study, we develop a modeling and experimental framework for multiscale identification of the biomechanical properties of the human Achilles tendon (AT). For this purpose, we extend our coarse-grained model of ... -
A Data-Driven, Statistical Feature-Based, Neural Network Method for Rotary Seal Prognostics
(American Society of Mechanical Engineers (ASME), 2019)Failure of the rotary seal is one of the foremost causes of breakdown in rotary machinery, and such a failure can be catastrophic, resulting in costly downtime and large expenses. Assessing the performance degradation of ... -
Assessment of Ultrasonic Welds Using Pulsed Infrared Thermography
(American Society of Mechanical Engineers (ASME), 2019)Ultrasonic metal welding is used in the automotive industry for a wide variety of joining applications, including batteries and automotive wire harnessing. During electric vehicle battery pack assembly, the battery cell ... -
Nondestructive Evaluation of Radio Frequency Connector Continuity Using Stimulated Emissions
(American Society of Mechanical Engineers (ASME), 2019)A wireless nondestructive fault detection test for loose or damaged connectors is demonstrated. An architecture known as the conditioned multiclassification of stimulated emissions (CMSE) is pretrained on simulated and ... -
Regenerated Fiber Bragg Grating Sensing System for Ultrasonic Detection in a 900 °C Environment
(American Society of Mechanical Engineers (ASME), 2019)Heat-resistant composites, such as ceramic matrix composites and heat-resistant carbon fiber reinforced plastics (CFRPs), are expected to be used for aircraft engine parts. The development of reliable heat-resistant composite ... -
Identification of the Velocity, Thickness, and Interfacial Roughness of Coating Using Full Time-Domain URCPS: Cross-Correlation-Based Inverse Problem
(American Society of Mechanical Engineers (ASME), 2019)Aiming at characterizing interfacial roughness of thin coatings with unknown sound velocity and thickness, we derive a full time-domain ultrasonic reflection coefficient phase spectrum (URCPS) as a function of interfacial ... -
Sparse Sum-of-Squares Optimization for Model Updating Through Minimization of Modal Dynamic Residuals
(American Society of Mechanical Engineers (ASME), 2019)This research investigates the application of sum-of-squares (SOS) optimization method on finite element model updating through minimization of modal dynamic residuals. The modal dynamic residual formulation usually leads ... -
Trial for Monitoring the Water Temperature Utilizing the Frequency Dependence of Reflection Coefficient of Ultrasound Passing Through Thin Layer
(American Society of Mechanical Engineers (ASME), 2019)This paper describes a new concept to monitor the temperature of water utilizing the acoustic resonance, which occurs when ultrasound passes through a thin layer. In the ultrasonic transmission system that comprises of the ... -
Robust Localization and Classification of Barely Visible Indentations in Composite Structures by Fusion of Ultrasonic Damage Indices
(American Society of Mechanical Engineers (ASME), 2019)This study aims to detect, localize, and assess the severity of barely visible indentation damage in a composite sandwich structure using ultrasonic guided waves. A quasistatic loading was gradually applied on a specimen ... -
Optimum Color and Contrast Enhancement for Online Ferrography Image Restoration
(American Society of Mechanical Engineers (ASME), 2019)Online ferrography, because of its nondestructive and real-time capability, has been increasingly applied in monitoring machine wear states. However, online ferrography images are usually degraded as a result of undesirable ... -
Numerical Analysis and Experimental Validation of an Nondestructive Evaluation Method to Measure Stress in Rails
(American Society of Mechanical Engineers (ASME), 2019)This article presents a numerical formulation and the experimental validation of the dynamic interaction between highly nonlinear solitary waves generated along a mono-periodic array of spherical particles and rails in a ... -
Real-Time Monitoring of Wind Turbine Blade Alignment Using Laser Displacement and Strain Measurement
(American Society of Mechanical Engineers (ASME), 2019)Wind turbine (WT) blade structural health monitoring (SHM) is important as it allows damage or misalignment to be detected before it causes catastrophic damage such as that caused by the blade striking the tower. Both of ... -
Progressive Failure Monitoring of Fiber-Reinforced Metal Laminate Composites Using a Nondestructive Approach
(American Society of Mechanical Engineers (ASME), 2019)Fiber-reinforced metal laminate (FRML) composites are currently used as a structural material in the aerospace industry. A common FRML, glass layered aluminum reinforced epoxy (Glare), possesses a set of mechanical properties ... -
An Improved Technique for Elastodynamic Green's Function Computation for Transversely Isotropic Solids
(American Society of Mechanical Engineers (ASME), 2019)Elastodynamic Green's function for anisotropic solids is required for wave propagation modeling in composites. Such modeling is needed for the interpretation of experimental results generated by ultrasonic excitation or ... -
A Data-Driven, Statistical Feature-Based, Neural Network Method for Rotary Seal Prognostics
(The American Society of Mechanical Engineers (ASME), 2019)Failure of the rotary seal is one of the foremost causes of breakdown in rotary machinery, and such a failure can be catastrophic, resulting in costly downtime and large expenses. Assessing the performance degradation of ...