YaBeSH Digital Library: Recent submissions
Now showing items 10561-10580 of 316660
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Nonlinear Damping Amplifier Friction Bearings
(The American Society of Mechanical Engineers (ASME), 2025)This article introduces damping amplifiers integrated into the core material of conventional nonlinear friction base isolators to improve their vibration attenuation capabilities and mitigate their shortcomings. Four new ... -
Low-Frequency Acoustic Performance of a Microperforated Panel Integrated Coiled-Up Space Absorber With Subwavelength Thickness
(The American Society of Mechanical Engineers (ASME), 2024)Low-frequency broadband sound absorption with minimal dimensions and material cost is an ongoing research challenge in engineering acoustics. Common acoustic structures, such as microperforated panels (MPPs) and porous ... -
X-DoF: Automatic Degree-of-Freedom Subset Selection for Inverse Blocked Force Characterization
(The American Society of Mechanical Engineers (ASME), 2024)Selecting the proper set of degrees-of-freedom (DoFs) is essential in inverse blocked force calculation. Including too many degrees-of-freedom in the computation can lead to overfitting, resulting in inaccurate force ... -
Robustness Analysis of Asymmetric Nonlinear Energy Sink via Nonlinear Normal Modes
(The American Society of Mechanical Engineers (ASME), 2024)Nonlinear energy sink (NES) absorbers excel compared to traditional tuned mass dampers (TMD) due to their superior efficiency over a wider range of frequencies. However, despite the advantages of NES over TMDs, their ... -
Numerical Analysis of the Tread Grooves’ Acoustic Resonances for the Investigation of Tire Noise
(The American Society of Mechanical Engineers (ASME), 2024)Tire/road noise is one of the major sources of noise pollution in urban areas. This phenomenon can be described as the combined effect of several generation and amplification mechanisms. Acoustic resonances due to the tread ... -
Acoustic Metamaterial Plates With Interlinked Octuple-Action Vibration Absorbers for Multistopband Elastic Wave Mitigation
(The American Society of Mechanical Engineers (ASME), 2024)This article explores an innovative vibration suppression design, termed octuple-action (OA), for acoustic metamaterial plates, aimed at mitigating the propagation of acoustic waves. The design's goal is to create broad ... -
Using Pseudotime Marching for the Solution of Harmonic Balance Problems
(The American Society of Mechanical Engineers (ASME), 2025)The aim of this paper is to study approaches to implement implicit pseudotime marching for the harmonic balance system in the frequency domain. We first give a motivation for using pseudotime marching as a solution technique. ... -
Flow and Heat Transfer in a Rotating Disc Cavity With Axial Throughflow at High-Speed Conditions
(The American Society of Mechanical Engineers (ASME), 2025)Flow and heat transfer in a compressor rotating disc cavity with axial throughflow is investigated using wall-modeled large-eddy simulations (WMLES). These are compared to measurements from recently published experiments ... -
Oil Viscosity Effects on Lithium 12-Hydroxystearate Grease Modulus and Thixotropy
(The American Society of Mechanical Engineers (ASME), 2025)The effect of base oil viscosity and temperature on the thixotropic recovery of lubricating grease (LG) is investigated via shear rheology. The viscosity of the base lubricant phase of LGs impacts the storage modulus in ... -
The Unsteady Shock–Boundary Layer Interaction in a Compressor Cascade—Part II: High-Fidelity Simulation
(The American Society of Mechanical Engineers (ASME), 2025)In the second part of this three-paper series, high-fidelity simulations of the transonic cascade TEAMAero at the aerodynamic design point with Rein=1.35×106 and Main=1.21 are presented. A high-order discontinuous Galerkin ... -
Efficient Aerodynamic Uncertainty Quantification for a Three-Dimensional Transonic Fan Rotor
(The American Society of Mechanical Engineers (ASME), 2025)Manufactured compressor blades deviate from their intended design, leading to a shift in the mean and scattering of aerodynamic performance. To mitigate performance deterioration without increasing manufacturing costs, an ... -
Numerical Assessment of an Aerodynamic Probe to Enable Short Focal Length Laser Diagnostics in High Temperature Supersonic Flows Based on Flow Disturbance
(The American Society of Mechanical Engineers (ASME), 2025)This article evaluates the use of an actively cooled aerodynamic probe body with integrated optics to perform short focal length laser diagnostics within high-temperature, high-supersonic flows. A novel probe with a “ship's ... -
Experimental and Numerical Comparison of Two Turbine Vane Frame Designs
(The American Society of Mechanical Engineers (ASME), 2025)This paper presents an experimental study supported by numerical simulations of the performance of two turbine vane frames (TVFs) at various purge and TVF inlet swirl conditions representing both on- and off-design operations. ... -
Roughness Investigations on In-Service High-Pressure Compressor Blades—Part II: Roughness Parameterization and Computational Fluid Dynamics-Based Modeling of Its Impact on Turbulent Flows
(The American Society of Mechanical Engineers (ASME), 2025)The two-part publication deals with roughness investigations on in-service high-pressure compressor (HPC) blades, both in terms of measurements and simulations. In this paper (Part II), first, stripe measurements of surface ... -
Prediction of Steady and Unsteady Flow Quantities Using Multiscale Graph Neural Networks
(The American Society of Mechanical Engineers (ASME), 2024)Analysis, optimization, and uncertainty quantification of the aerodynamic behavior of turbomachinery components is a fundamental part of the current industrial design process and requires the extensive use of compute-intensive ... -
Application of Machine Learning Techniques in Calibration and Data Reduction of Multihole Probes
(The American Society of Mechanical Engineers (ASME), 2024)This work presents procedures for implementing machine learning methods into existing algorithms for multihole probe calibration and data reduction. It demonstrates that using artificial neural networks (ANNs) can decrease ... -
A Physics-Informed Neural Network for Solving the Inverse Heat Transfer Problem in Gas Turbine Rotating Cavities
(The American Society of Mechanical Engineers (ASME), 2024)Recently, physics-informed neural networks (PINNs) have displayed great potential in delivering swift and accurate solutions for inverse problems. Here, a PINN was used to solve the inverse heat conduction problem in the ... -
Numerical Investigation on the Influence of Wet Compression Aerodynamic Performance of Multi-Stage Transonic Compressor
(The American Society of Mechanical Engineers (ASME), 2024)In this paper, the gas–liquid two-phase flow in a multi-stage transonic compressor is numerically simulated based on the Euler–Lagrange method. The changes in wet compression aerodynamic characteristics of the compressor ... -
Understanding the Flow Field in a Highly Loaded Tandem Compressor Cascade
(The American Society of Mechanical Engineers (ASME), 2024)Large flow turning in compressor cascades with single airfoils requires effective control of the boundary layer growth under the diffusing flow. An alternative approach consists of distributing the loading over two subsequent ... -
Curve Smoothening for the Analysis of Fractal Dimensions of Blast-Cleaned Steel Surface Textures for Tribological and Adhesion Interfaces
(The American Society of Mechanical Engineers (ASME), 2024)Fractal dimensions are increasingly used for the characterization of surface textures for tribological and adhesion applications. The resolution of 2D profiles acquired from various measurement methods can be adjusted via ...