Condition improvement for point relaxation in multigrid, subsonic Euler-flow computations:
Abstract: "Insight is given in the conditions of derivative matrices to be inverted in point-relaxation methods for 1-D and 2-D, upwind-discretized Euler equations. Speed regimes are found where ill- conditioning of these matrices occurs, 1-D flow equations appear to be less well conditioned th...
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| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Amsterdam
1994
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| Series: | Centrum voor Wiskunde en Informatica <Amsterdam> / Afdeling Numerieke Wiskunde: Report NM
1994,13 |
| Subjects: | |
| Summary: | Abstract: "Insight is given in the conditions of derivative matrices to be inverted in point-relaxation methods for 1-D and 2-D, upwind-discretized Euler equations. Speed regimes are found where ill- conditioning of these matrices occurs, 1-D flow equations appear to be less well conditioned than 2-D flow equations. Fixes to the ill conditions follow more or less directly, when thinking of adding regularizing matrices to the derivative matrices. A smoothing analysis is made of point Gauss- Seidel relaxation applied to the Euler equations conditioned by such an additive matrix. The conditioned solution method is successfully applied to a very low-subsonic, steady, 2-D stagnation flow." |
| Physical Description: | 11 S. |
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| 520 | 3 | |a Abstract: "Insight is given in the conditions of derivative matrices to be inverted in point-relaxation methods for 1-D and 2-D, upwind-discretized Euler equations. Speed regimes are found where ill- conditioning of these matrices occurs, 1-D flow equations appear to be less well conditioned than 2-D flow equations. Fixes to the ill conditions follow more or less directly, when thinking of adding regularizing matrices to the derivative matrices. A smoothing analysis is made of point Gauss- Seidel relaxation applied to the Euler equations conditioned by such an additive matrix. The conditioned solution method is successfully applied to a very low-subsonic, steady, 2-D stagnation flow." | |
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| id | DE-604.BV010186787 |
| illustrated | Not Illustrated |
| indexdate | 2024-07-09T17:48:02Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-006767505 |
| oclc_num | 32230928 |
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| owner_facet | DE-91G DE-BY-TUM |
| physical | 11 S. |
| publishDate | 1994 |
| publishDateSearch | 1994 |
| publishDateSort | 1994 |
| record_format | marc |
| series2 | Centrum voor Wiskunde en Informatica <Amsterdam> / Afdeling Numerieke Wiskunde: Report NM |
| spelling | Koren, Barry Verfasser aut Condition improvement for point relaxation in multigrid, subsonic Euler-flow computations B. KorenL Amsterdam 1994 11 S. txt rdacontent n rdamedia nc rdacarrier Centrum voor Wiskunde en Informatica <Amsterdam> / Afdeling Numerieke Wiskunde: Report NM 1994,13 Abstract: "Insight is given in the conditions of derivative matrices to be inverted in point-relaxation methods for 1-D and 2-D, upwind-discretized Euler equations. Speed regimes are found where ill- conditioning of these matrices occurs, 1-D flow equations appear to be less well conditioned than 2-D flow equations. Fixes to the ill conditions follow more or less directly, when thinking of adding regularizing matrices to the derivative matrices. A smoothing analysis is made of point Gauss- Seidel relaxation applied to the Euler equations conditioned by such an additive matrix. The conditioned solution method is successfully applied to a very low-subsonic, steady, 2-D stagnation flow." Euler's numbers Afdeling Numerieke Wiskunde: Report NM Centrum voor Wiskunde en Informatica <Amsterdam> 1994,13 (DE-604)BV010177152 1994,13 |
| spellingShingle | Koren, Barry Condition improvement for point relaxation in multigrid, subsonic Euler-flow computations Euler's numbers |
| title | Condition improvement for point relaxation in multigrid, subsonic Euler-flow computations |
| title_auth | Condition improvement for point relaxation in multigrid, subsonic Euler-flow computations |
| title_exact_search | Condition improvement for point relaxation in multigrid, subsonic Euler-flow computations |
| title_full | Condition improvement for point relaxation in multigrid, subsonic Euler-flow computations B. KorenL |
| title_fullStr | Condition improvement for point relaxation in multigrid, subsonic Euler-flow computations B. KorenL |
| title_full_unstemmed | Condition improvement for point relaxation in multigrid, subsonic Euler-flow computations B. KorenL |
| title_short | Condition improvement for point relaxation in multigrid, subsonic Euler-flow computations |
| title_sort | condition improvement for point relaxation in multigrid subsonic euler flow computations |
| topic | Euler's numbers |
| topic_facet | Euler's numbers |
| volume_link | (DE-604)BV010177152 |
| work_keys_str_mv | AT korenbarry conditionimprovementforpointrelaxationinmultigridsubsoniceulerflowcomputations |