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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Celestina, M. L. Adamczyk, J. J. Rubin, S. G. |
| Copyright Year | 2001 |
| Abstract | A Segmented Domain Decomposition Multigrid (SDDMG) procedure was developed for viscous flow problems as they apply to turbomachinery flows. The procedure divides the computational domain into a coarse mesh comprised of uniformly spaced cells. To resolve smaller length scales such as the viscous layer near a surface, segments of the coarse mesh are subdivided into a finer mesh. This is repeated until adequate resolution of the smallest relevant length scale is obtained. Multigrid is used to communicate information between the different grid levels [1]. To test the procedure, simulation results will be presented for a compressor and turbine cascade. These simulations are intended to show the ability of the present method to generate grid independent solutions. Comparisons with data will also be presented. These comparisons will further demonstrate the usefulness of the present work for they allow an estimate of the accuracy of the flow modeling equations independent of error attributed to numerical discretization. |
| Sponsorship | International Gas Turbine Institute |
| File Format | |
| ISBN | 9780791878507 |
| DOI | 10.1115/2001-GT-0435 |
| Volume Number | Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery |
| Conference Proceedings | ASME Turbo Expo 2001: Power for Land, Sea, and Air |
| Language | English |
| Publisher Date | 2001-06-04 |
| Publisher Place | New Orleans, Louisiana, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Errors Simulation results Simulation Cascades (fluid dynamics) Turbomachinery Compressors Engineering simulation Resolution (optics) Flow (dynamics) Modeling Turbines Viscous flow |
| Content Type | Text |
| Resource Type | Article |
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