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Showing 1 to 20 of 24 for “"Computational solutions"”.

  1. Computational Solutions of the Forward and Adjoint Euler Equations with Application to Duct Aeroacoustics

    <p>Traditionally, the acoustic source terms are modeled by single frequency sinusoidal functions. In the present study, the acoustic sources are modeled by a broadband wave packet. Radiation of acoustic waves at all frequencies can be obtained by Time Domain Wave Packet (TDWP) method in a single …

    odu Repository record for Computational Solutions of the Forward and Adjoint Euler Equations with Application to Duct Aeroacoustics (opens in a new tab)

  2. Viscous solutions for the Navier Stokes equations using an upwind finite volume technique

    … Stokes solver to achieve complete Navier Stokes solutions is described. The shear stress and heat flux contributions are identified and transformed to a generalized coordinate system. The metrics which result from the transformation have a geometrical interpretation in the finite volume …

    vt Repository record for Viscous solutions for the Navier Stokes equations using an upwind finite volume technique (opens in a new tab)

  3. A Computational Study of Axial Compressor Rotor Casing Treatments and Stator Land Seals

    … and capability. This study consists of a computational examination of two currently accepted methods of axial compressor performance improvement in terms of surge margin and efficiency, rotor casing treatments and stator land seals.ADPAC and Fluent CFD solvers were used in the analysis of …

    vcu Repository record for A Computational Study of Axial Compressor Rotor Casing Treatments and Stator Land Seals (opens in a new tab)

  4. UNSTEADY PRESSURE MEASUREMENTS IN A SUPERSONIC INLET DURING UNSTART SIMULATIONS

    … louver system. Once repeatability was proven, computational fluid dynamics (CFD) simulations based on the experiment were developed in ANSYS CFX, and computational solutions were developed. The experimental measurements and the CFD solutions showed that increasing back pressure caused the shock …

    nps Repository record for UNSTEADY PRESSURE MEASUREMENTS IN A SUPERSONIC INLET DURING UNSTART SIMULATIONS (opens in a new tab)

  5. Three-dimensional nonequilibrium viscous shock-layer flow over the space shuttle orbiter

    … ionizing air. A general nonorthogonal computational grid system was introduced to treat the nonaxisymmetric geometry. At shuttle reentry flight conditions, nonequilibrium real gas effects on the surface-measurable quantities are significant. Computational solutions have been obtained …

    vt Repository record for Three-dimensional nonequilibrium viscous shock-layer flow over the space shuttle orbiter (opens in a new tab)

  6. Estimating and interpreting shoe sole wear for forensic investigation

    … a period of five months. Using this data two computational solutions are designed; first in the spatial domain using SIFT, an approach previously proven in shoemark classification, and subsequently using a novel ridge detection algorithm within the frequency domain. Finally, a highlevel, …

    qu-belfast Repository record for Estimating and interpreting shoe sole wear for forensic investigation (opens in a new tab)

  7. Computational analysis of non-isothermal flow of non-Newtonian fluids

    … some complex fluids (e.g. worm-like micellar solutions and some polymeric fluids) exhibit flow instabilities such as the emergence of regions of different shear rates (shear bands) within the flow field. It has also been observed that the reacting mixture in reaction injection molding of …

    cape-town Repository record for Computational analysis of non-isothermal flow of non-Newtonian fluids (opens in a new tab)

  8. Assessing the Role of Clusters Derived from Large Sequence Similarity Networks for Gene Function Predictions

    … necessary for biological experiments, computational predictions of gene functions can aid in reducing a large list of candidate genes to a few promising targets. Various computational solutions have been proposed and developed for gene function prediction. These solutions utilize …

    vt Repository record for Assessing the Role of Clusters Derived from Large Sequence Similarity Networks for Gene Function Predictions (opens in a new tab)

  9. Insights on Serology, CRISPR Diagnostics, and Machine Learning Architectures for Biological Sequences

    … cutting-edge immunological, diagnostic, and computational approaches to confront infectious diseases more effectively, with a particular emphasis on SARS-CoV-2. The first two chapters delve into the immunological aspects of SARS-CoV-2, exploring the dynamics of antibody responses during …

    mit Repository record for Insights on Serology, CRISPR Diagnostics, and Machine Learning Architectures for Biological Sequences (opens in a new tab)

  10. Size-Adaptive Convolutional Neural Network with Parameterized-Swish Activation for Enhanced Object Detection

    … a significant challenge requiring advanced computational solutions for reliable object recognition and processing. This research introduces a size-adaptive Convolutional Neural Network (CNN) framework to enhance detection performance across different object sizes. By dynamically adjusting …

    iupui Repository record for Size-Adaptive Convolutional Neural Network with Parameterized-Swish Activation for Enhanced Object Detection (opens in a new tab)

  11. Investigation of S-shaped intake aerodynamics using computational fluid dynamics

    … have been simulated and analysed using Computational Fluid Dynamics (CFD). Various flows have been simulated from steady through-flow for validation and verification, steady flows at a variety of angles of pitch and yaw, and the unsteady flow of surge wave propagation following the …

    glasgow Repository record for Investigation of S-shaped intake aerodynamics using computational fluid dynamics (opens in a new tab)

  12. Non-isothermal dynamics of thin-film free-surface and channel flows of non-Newtonian nanofluids

    … and phasechange heat transfer devices. The computational results have shown that for certain flow parameters values, some of the non-Newtonian fluids also known as complex fluids (e.g. worm-like micellar solutions, granular flows, polymer solutions and some polymer melts) reveal flow …

    cape-town Repository record for Non-isothermal dynamics of thin-film free-surface and channel flows of non-Newtonian nanofluids (opens in a new tab)

  13. A Computational Framework for Assessing and Optimizing the Performance of Observational Networks in 4D-Var Data Assimilation

    … developing, implementing, and validating a novel computational framework for estimating observation impact and for optimizing sensor networks. The framework builds on the powerful methodologies of second-order adjoint modeling and the 4D-Var sensitivity equations. Efficient computational

    vt Repository record for A Computational Framework for Assessing and Optimizing the Performance of Observational Networks in 4D-Var Data Assimilation (opens in a new tab)

  14. Optimization model for consumption taxation in Malaysia: a case study of goods and services tax

    … conditions for the model were derived and the computational solutions were obtained in the Excel spreadsheet environment, with the consumption tax varied in the range of 5 to 7 percent. The results obtained revealed that, all of the individual’s populations were burdened by the GST …

    uthm Repository record for Optimization model for consumption taxation in Malaysia: a case study of goods and services tax (opens in a new tab)

  15. Exploration of grating-based surface plasmon resonance systems for wave vector matching to enhance plasmon modes and preliminary surface plasmon-enhanced fluorescence interrogation

    … bolstered with theoretical, analytical and computational solutions, in order to explain and show applications of the phenomena observed.</p> <p>Chapter 1 introduces surface plasmon resonance by explicating historical interest in the phenomena. Theoretical and experimental results opened the …

    iastate Repository record for Exploration of grating-based surface plasmon resonance systems for wave vector matching to enhance plasmon modes and preliminary surface plasmon-enhanced fluorescence interrogation (opens in a new tab)

  16. Numerical Simulation of Injection and Mixing in Supersonic Flow

    … of the investigation were to provide reliable computational solutions to the flowfields in question using both RNG and standard k-epsilon turbulence models and to compare the solutions to experiment, thereby to judge the relative performance of the turbulence models. A second objective of the …

    vt Repository record for Numerical Simulation of Injection and Mixing in Supersonic Flow (opens in a new tab)

  17. Usability heuristics for fast crime data anonymization in resource-constrained contexts

    … considers the issue of finding low-intensive computational solutions to protecting the data even from an "honest-but-curious" service provider, while at the same time generating datasets that can be queried efficiently and reliably. This thesis offers a three-pronged solution approach. …

    cape-town Repository record for Usability heuristics for fast crime data anonymization in resource-constrained contexts (opens in a new tab)

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