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RISStructural Damage Detection via Modal Data with Genetic Algorithms
Publisher: American Society of Civil Engineers
Abstract: This paper presents a nondestructive global damage detection and assessment methodology based on the changes in frequencies and mode shapes of vibration of a structural system. The method is applied at an element level ...
Galvanic Corrosion of Steel in Contact with Carbon-Polymer Composites. II: Experiments in Concrete
Publisher: American Society of Civil Engineers
Abstract: Studies were conducted to understand the galvanic interactions between CFRP and steel in chloride-contaminated concrete. CFRP-pultruded rod samples (6 mm in diameter), #3 deformed plain rebar (PR, uncoated), and #4 ...
Galvanic Corrosion of Steel in Contact with Carbon-Polymer Composites. I: Experiments in Mortar
Publisher: American Society of Civil Engineers
Abstract: Galvanic corrosion is a possible form of deterioration when carbon fiber-reinforced polymer (CFRP) composites and steel are in direct contact in concrete, as in stirrups tied to prestressing CFRP tendons. Laboratory ...
Processing of Oversampled Signals in Range on Polarimetric Weather Radars with Mismatched Channels
Publisher: American Meteorological Society
Abstract: Processing oversampled signals in range with a whitening transformation has been proposed as a means to reduce the variance of meteorological variable estimates on polarimetric Doppler weather radars. However, the original ...
What It Means to Become “More Resilient”: An Analysis of Local Resilience-Building Approaches in Three Florida Communities
Publisher: American Meteorological Society
Abstract: AbstractFrom international to local scales of governance, resilience building is being presented as the way to prepare for impacts of both slow- and quick-onset disasters. Having transitioned from ecological to social ...
Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: .25 krpm (surface speed = 35 m/s). The LS has a 17% larger radial clearance (Cr,LS = 0.230 mm > Cr,PDS = 0.196 mm) due to a manufacturing error. This paper extends prior work by Torres et al. (2022, “A Stepped Shaft Labyrinth Seal versus a Pocket Damper...
Impacts of Increased Prediction Accuracy in Management Decisions: A Study of Full-Depth Reclamation Pavements
Publisher: ASCE
Abstract: Given the abundance of condition data regularly collected for major roadways, machine learning has the potential to enhance pavement deterioration modeling. This is particularly important for recycling-based rehabilitation ...
A Simulation Framework to Support the Design and Evaluation of Adaptive Scanning for Phased-Array Weather Radars
Publisher: American Meteorological Society
Abstract: We propose a simulation framework that can be used to design and evaluate the performance of adaptive scanning algorithms on different phased-array weather radar designs. The simulator is proposed as tool to: (1) compare ...
The Viscosity of Polyalphaolefins Mixtures at High Pressure and Stress
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Understanding the pressure and shear dependence of viscosity is essential to an understanding of the mechanisms of film forming and friction in concentrated contacts. The blending of different molecular mass polyalphaolefins ...
Temperature Distribution in Moving Webs Heated by Radiation Panels: Model Development and Experimental Validation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, we develop a model to determine the temperature distribution in moving webs due to heating by radiation panels and convection from the web surface. Heating of the transported material is common in many web ...