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RISGalerkin Least-Squares Multifield Approximations for Flows of Inelastic Non-Newtonian Fluids
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The aim of this work is to investigate a Galerkin least-squares (GLS) multifield formulation for inelastic non-Newtonian fluid flows. We present the mechanical modeling of isochoric flows combining ...
Galerkin Least-Squares Finite Element Approximations for Isochoric Flows of Viscoplastic Liquids
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flow of viscoplastic liquids is studied via a finite element stabilized method. Fluids, such as some food products, blood, mud, and polymer solutions, exhibit viscoplastic behavior. In order ...
A New Harmonic Balance Approach Using Multidimensional Time
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Over the past years, nonlinear frequency-domain methods have become a state-of-the-art technique for the numerical simulation of unsteady flow fields within multistage turbomachinery as they are capable of fully exploiting ...
Analyzing Unsteady Turbomachinery Flow Simulations With Mixing Entropy
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The prediction of unsteady aerodynamic loads is a central problem during the design of turbomachinery. Over the last 20 years, harmonic balance methods have been shown to be highly efficient for this task. A CPU-cost optimal ...
Numerical and Experimental Investigations of the Three Dimensional Flow Structure of Tandem Cascades in the Sidewall Region
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Tandem blades can be superior to single blades, particularly when large turning angles are required. This is well documented in the open literature and many investigations have been performed on the 2Dflow of tandem cascades ...
Probabilistic Nonroad Mobile Source Emission Factors
Publisher: American Society of Civil Engineers
Abstract: Quantitative methods for characterizing both variability and uncertainty are applied to case studies of nitrogen oxides
The Mechanisms by Which Adaptive One-factor-at-a-time Experimentation Leads to Improvement
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper examines mechanisms underlying the phenomenon that, under some conditions, adaptive one-factor-at-a-time experiments outperform fractional factorial experiments in improving the performance ...
Engine and Duty Cycle Variability in Diesel Construction Equipment Emissions
Publisher: American Society of Civil Engineers
Abstract: This paper explores methods for analyzing onboard mass emissions data and developing modal models on the basis of case study examples for nine selected nonroad construction vehicles. Data for these vehicles were obtained ...
Engaging Children in Engineering Design Through Popular Media
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We submit that there is currently an urgent need to educate the public about engineering and attract talented people to the profession. Further, we argue that such efforts are most effective ...
An Adaptive One-Factor-at-a-Time Method for Robust Parameter Design: Comparison With Crossed Arrays via Case Studies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a conceptually simple and resource efficient method for robust parameter design. The proposed method varies control factors according to an adaptive one-factor-at-a-time plan ...