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RISTheoretical Study on the Flow About Savonius Rotor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method for the two-dimensional analysis of the separated flow about Savonius rotors is presented. Calculations are performed by combining the singularity method and the discrete vortex method. ...
Boussinesq Modeling of Transcritical Flows over Steep Topography
Publisher: ASCE
Abstract: Nonlinear shallow water equations effectively work for various fluvial hydraulic problems. However, the underlying assumption of hydrostatic pressure is violated by flows with significant vertical acceleration around steep ...
Pile Stress Estimation Based on Seismic Deformation Method with Embedment Effects on Pile Caps
Publisher: American Society of Civil Engineers
Abstract: A pseudostatic analysis, based on the beam on nonlinear Winkler-spring method considering the seismic earth pressure and side friction acting on embedded pile caps, was developed to estimate pile bending moments and shear ...
Assessing the Applicability of Boussinesq-Type Models for Steep Obstacle Flow Simulations
Publisher: American Society of Civil Engineers
Abstract: AbstractBoussinesq-type models improve hydrodynamic simulations by capturing nonhydrostatic
effects, offering advantages over nonlinear shallow-water equations. However, their
performance in rapidly varying flows over steep ...
Shape-Reconstruction System for Three-Dimensional Objects Using an Ultrasonic Distance Sensor Mounted on a Manipulator
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a three-dimensional shape-reconstruction system that employs an ultrasonic distance sensor placed on a manipulator. This system can not only reconstruct the shape of an object, ...
Failure of an Embankment on Soil-Cement Column–Improved Clay Deposit: Investigation and Analysis
Publisher: American Society of Civil Engineers
Abstract: A failed embankment on a cement deep mixing (CDM)-formed column–improved soft clay deposit in Saga, Japan, has been reported and analyzed. Based on the results of the field investigation and numerical simulation, the ...
Study on Tensile Strength of Resin Mortar
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new resin mortar has been developed to facilitate a small-diameter shield tunneling method. The breaking elongation, Young’s modulus and tensile strength of the resin mortar are measured and ...
Estimation of Transfer Time Distribution Parameters with Automatic Fare Collection Data: Stochastic Frontier Model
Publisher: ASCE
Abstract: The uncertainty in walking and waiting transfer times at transit stops depends on the environmental conditions, vehicle schedule punctuality, and variations among individuals. Relying only on the mean values ignores such ...
Changes in the Permeability and Permeability Anisotropy of Reconstituted Clays under One-Dimensional Compression and the Corresponding Micromechanisms
Publisher: ASCE
Abstract: It is important to assess the permeability characteristics of clays in the prediction of the postconstruction settlement of geotechnical projects on clay grounds. The coefficient of permeability in the vertical direction ...
Latent Space-Based Likelihood Estimation Using a Single Observation for Bayesian Updating of a Nonlinear Hysteretic Model
Publisher: American Society of Civil Engineers
Abstract: This study presents a novel approach to quantify uncertainties in Bayesian model updating, which is effective for sparse or single observations. Conventional uncertainty quantification methods are limited in situations ...