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RISNumerical Prediction of Impact Force in Cavitating Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical method including a macroscopic cavitation model based on the homogeneous flow theory and a microscopic cavitation model based on the bubble dynamics is proposed for the prediction ...
Sorption Isotherms and Kinetics of Sediment Phosphorus in a Tropical Reservoir
Publisher: American Society of Civil Engineers
Abstract: The sorption of phosphorus, in the form of dissolved phosphate, on aquatic sediments collected from the tropical Kranji reservoir in Singapore was investigated under oxic and anoxic conditions. Kinetic experiments on ...
Numerical Modeling of Flow in Chlorine Disinfection Tanks
Publisher: American Society of Civil Engineers
Abstract: The reliability of simulations of flow and disinfection processes in disinfection contact tanks is determined by the accuracy of computations in terms of the hydrodynamic characteristics in the tanks, particularly the ...
Submodeling Analysis for Path-Dependent Thermomechanical Problems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In a finite element analysis, when localized behavior of a large model is of particular concern, generally one would refine the mesh until it captures the local solution adequately. Submodeling ...
Numerical Investigation of Thermal Dissipation on Quad Flat Package With Unattached Heat Spreader
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Due to cost and process considerations, sometimes a drop-in heat spreader is incorporated in a quad flat package, which is not attached to the die pad. Consequently, due to mismatch of thermal ...
Quotient Kinematics Machines: Concept, Analysis, and Synthesis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a geometric analysis and synthesis theory for quotient kinematics machines (QKMs). Given a desired motion type described by a subgroup G of the special Euclidean group SE(3), ...
Ensuring the Structural Safety of Overhead Transmission Lines by Design
Publisher: ASCE
Abstract: During service, transmission lines (TLs) will be subjected to unbalanced longitudinal loads due to events such as conductor breakage, insulator failure, and sudden ice shedding, which may damage TLs and subsequently hinder ...
Multistep Probabilistic Forecasting Approach for Tunnel Boring Machine Cutterhead Torque and Thrust Based on VMD-BDNN
Publisher: American Society of Civil Engineers
Abstract: Accurate prediction of cutterhead torque and thrust is crucial for achieving efficient and safe propulsion of a tunnel boring machine (TBM). However, several uncertainties within the predictions of TBM parameters may ...
Effect of Underfill Thermomechanical Properties on Thermal Cycling Fatigue Reliability of Flip-Chip Ball Grid Array
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Plane two-dimensional finite element analysis was applied to study the effect of underfill thermomechanical properties on the potential of thermal fatigue failure for flip-chip ball grid array. ...
Robust Exponential Stability of Large Scale System With Mixed Input Delays and Impulsive Effect
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a class of largescale systems with impulsive effect, input disturbance, and both variable and unbounded delays were investigated. On the assumption that all subsystems of the largescale system can be ...