Towards industry-ready high-order flow solvers : increasing robustness and usability
Abstract/Contents
- Abstract
- High-order methods are truer to the flow physics and more accurate per degree of freedom than low-order methods. Their high computational intensity relative to their communication requirements makes them prime candidates for implementation in the latest hyper-parallel computing architectures like Graphical Processing Units (GPUs). Why are they not more prevalent in the toolset of design teams? One of the main barriers to wide adoption of high-order numerical methods in industrial applications is the schemes' low robustness relative to low-order methods. Their stability is highly dependent on the quality of the grid, even when the solution is relatively smooth. Aliasing, underresolution, and non-smoothness are the main causes of instabilities. This dissertation proposes solutions from two fronts: the creation of a set of families of numerical schemes with guaranteed linear stability and tunable dispersion- dissipation properties, and the formulation of filters with spectral effectiveness and element-local stencil. To ease the adoption, or increase usability, of high-order methods in industry and academia, a well-documented, validated, verified, and constantly improved source code is needed. This dissertation walks the reader through the efforts by the Aerospace Computing Laboratory (ACL) to provide such code: High-Fidelity Large Eddy Simulation (LES) Open Source Code (HiFiLES) (hifiles.stanford.edu).
Description
| Type of resource | text |
|---|---|
| Form | electronic; electronic resource; remote |
| Extent | 1 online resource. |
| Publication date | 2016 |
| Issuance | monographic |
| Language | English |
Creators/Contributors
| Associated with | Lopez Morales, Manuel Rodrigo |
|---|---|
| Associated with | Stanford University, Department of Aeronautics and Astronautics. |
| Primary advisor | Jameson, Antony, 1934- |
| Thesis advisor | Jameson, Antony, 1934- |
| Thesis advisor | Alonso, Juan José, 1968- |
| Thesis advisor | Farhat, Charbel |
| Advisor | Alonso, Juan José, 1968- |
| Advisor | Farhat, Charbel |
Subjects
| Genre | Theses |
|---|
Bibliographic information
| Statement of responsibility | Manuel Rodrigo López Morales. |
|---|---|
| Note | Submitted to the Department of Aeronautics and Astronautics. |
| Thesis | Thesis (Ph.D.)--Stanford University, 2016. |
| Location | electronic resource |
Access conditions
- Copyright
- © 2016 by Manuel Rodrigo Lopez Morales
- License
- This work is licensed under a Creative Commons Attribution Non Commercial 3.0 Unported license (CC BY-NC).
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