Global receptivity analysis: physically realizable input-output analysis Article Swipe
Omar Kamal
,
Matthew T. Lakebrink
,
Tim Colonius
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2211.10466
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2211.10466
In the context of transition analysis, linear input-output analysis determines worst-case disturbances to a laminar base flow based on a generic right-hand-side volumetric/boundary forcing term. The worst-case forcing is not physically realizable, and, to our knowledge, a generic framework for posing physically-realizable worst-case disturbance problems is lacking. In natural receptivity analysis, disturbances are forced by matching (typically local) solutions within the boundary layer to outer solutions consisting of free-stream vortical, entropic, and acoustic disturbances. We pose a scattering formalism to restrict the input forcing to a set of realizable disturbances associated with plane-wave solutions of the outer problem. The formulation is validated by comparing with direct numerical simulations (DNS) for a Mach 4.5 flat-plate boundary layer. We show that the method provides insight into transition mechanisms by identifying those linear combinations of plane-wave disturbances that maximize energy amplification over a range of frequencies. We also discuss how the framework can be extended to accommodate scattering from shocks and in shock layers for supersonic flow.
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- Type
- preprint
- Language
- en
- Landing Page
- http://arxiv.org/abs/2211.10466
- https://arxiv.org/pdf/2211.10466
- OA Status
- green
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4309795418
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https://openalex.org/W4309795418Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.48550/arxiv.2211.10466Digital Object Identifier
- Title
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Global receptivity analysis: physically realizable input-output analysisWork title
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preprintOpenAlex work type
- Language
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enPrimary language
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2022Year of publication
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2022-11-18Full publication date if available
- Authors
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Omar Kamal, Matthew T. Lakebrink, Tim ColoniusList of authors in order
- Landing page
-
https://arxiv.org/abs/2211.10466Publisher landing page
- PDF URL
-
https://arxiv.org/pdf/2211.10466Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
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https://arxiv.org/pdf/2211.10466Direct OA link when available
- Concepts
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Mach number, Boundary layer, Forcing (mathematics), Context (archaeology), Control theory (sociology), Supersonic speed, Boundary (topology), Scattering, Mechanics, Computer science, Physics, Mathematical analysis, Mathematics, Optics, Geology, Paleontology, Artificial intelligence, Control (management)Top concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
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10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.free-stream | 68 |
| abstract_inverted_index.identifying | 127 |
| abstract_inverted_index.realizable, | 31 |
| abstract_inverted_index.receptivity | 49 |
| abstract_inverted_index.simulations | 107 |
| abstract_inverted_index.combinations | 130 |
| abstract_inverted_index.disturbances | 11, 51, 89, 133 |
| abstract_inverted_index.frequencies. | 142 |
| abstract_inverted_index.input-output | 7 |
| abstract_inverted_index.amplification | 137 |
| abstract_inverted_index.disturbances. | 73 |
| abstract_inverted_index.right-hand-side | 21 |
| abstract_inverted_index.volumetric/boundary | 22 |
| abstract_inverted_index.physically-realizable | 41 |
| cited_by_percentile_year | |
| countries_distinct_count | 0 |
| institutions_distinct_count | 3 |
| sustainable_development_goals[0].id | https://metadata.un.org/sdg/7 |
| sustainable_development_goals[0].score | 0.46000000834465027 |
| sustainable_development_goals[0].display_name | Affordable and clean energy |
| citation_normalized_percentile.value | 0.15019293 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | False |