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CAPP for Electronics Manufacturing Case Study: Fine Pitch SMT Laser Soldering
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The trend to high-density packaging in surface mount assembly has highlighted inherent difficulties in the assembly line of these very fine pitch devices. A variety of defects is still common ...
RANS/LES/DES/DNS: The Future Prospects of Turbulence Modeling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: While we were discussing the rapid increase in Large Eddy Simulation (LES) papers submitted to the Journal of Fluids Engineering (JFE) several years ago, Joe Katz, the editor in chief of JFE, ...
Numerical Uncertainty in Fluid Flow Calculations: Needs for Future Research
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Computational fluid dynamics (CFD) has established itself as a viable technique for performing research and solving engineering problems, and when used correctly, can give accurate results for ...
Nonlinear Mixing Length Model for Prediction of Secondary Currents in Uniform Channel Flows
Publisher: American Society of Civil Engineers
Abstract: A nonlinear turbulence model for numerical solution of uniform channel flow is presented. Turbulent stresses are evaluated from a nonlinear mixing length model that relates turbulent stresses to quadratic products of the ...
Discussion of “Reynolds Stresses and Velocity Distributions in a Wave-Current Coexisting Environment” by Motohiko Umeyama
Publisher: American Society of Civil Engineers
Estimating Extreme High Still Water Levels in North San Francisco Bay: Comparison of Annual Maxima Method with Direct and Indirect Methods
Publisher: ASCE
Abstract: Extreme high still water levels (EHSWLs) are calculated at four tide stations located along North San Francisco Bay for a range of return periods. The observed hourly still water level varying from 7 years to 122 years ...
Evaluation of Fluctuating Pressures Measured with Connection Tubes
Publisher: American Society of Civil Engineers
Abstract: The dynamic characteristics of fluctuating pressure measuring systems composed of connection tubing and pressure transducers were analyzed. A method of correction for the effects of resonance and viscous damping on the ...
Effects of Implementing MODIS Land Cover and Albedo in MM5 at Two Contrasting U.S. Regions
Publisher: American Meteorological Society
Abstract: This study implements a new land-cover classification and surface albedo from the Moderate Resolution Imaging Spectroradiometer (MODIS) in the fifth-generation Pennsylvania State University?National Center for Atmospheric ...
Single Grid Error Estimation Using Error Transport Equation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an approach to quantify the discretization error as well as other errors related to mesh size using the error transport equation (ETE) technique on a single grid computation. ...
Special Aspects of Chatter in Milling
Publisher: The American Society of Mechanical Engineers (ASME)
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