Orr–Sommerfeld equation

eigenvalue equation describing the linear two-dimensional modes of disturbances
Thing partial_differential_equation Q7104117
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Orr–Sommerfeld equation

Summary

Orr–Sommerfeld equation is a partial differential equation[1]. It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Orr–Sommerfeld equation's instance of is recorded as partial differential equation[3].
  • William McFadden Orr is named after Orr–Sommerfeld equation[4].
  • Arnold Sommerfeld is named after Orr–Sommerfeld equation[5].
  • Orr–Sommerfeld equation's solved by is recorded as Chia-Chiao Lin[6].
  • Orr–Sommerfeld equation's statement describes is recorded as hydrodynamic stability[7].
  • Orr–Sommerfeld equation's statement describes is recorded as Hagen–Poiseuille equation[8].
  • Orr–Sommerfeld equation's maintained by WikiProject is recorded as WikiProject Fluid dynamics[9].

Body

Definition and Type

Orr–Sommerfeld equation's instance of is recorded as partial differential equation[3].

Origins

Things named after include William McFadden Orr[4], a mathematician[10], 1866–1934[11], of United Kingdom of Great Britain and Ireland[12], awarded the Fellow of the Royal Society[13] and Arnold Sommerfeld[5], a theoretical physicist[14], 1868–1951[15], of Germany[16], awarded the Max Planck Medal[17], specialised in theoretical physics[18].

Why It Matters

Orr–Sommerfeld equation has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[2]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.

Inline context (facts about related entities)

  1. [10] . Wikidata. wikidata.org. → on this site
  2. [11] . Wikidata. wikidata.org. → on this site
  3. [12] . Wikidata. wikidata.org. → on this site
  4. [13] . Wikidata. wikidata.org. → on this site
  5. [14] . Wikidata. wikidata.org. → on this site
  6. [15] . Wikidata. wikidata.org. → on this site
  7. [16] . Wikidata. wikidata.org. → on this site
  8. [17] . Wikidata. wikidata.org. → on this site
  9. [18] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Orr–Sommerfeld equation. Retrieved May 3, 2026, from https://4ort.xyz/entity/orr-sommerfeld-equation
MLA “Orr–Sommerfeld equation.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/orr-sommerfeld-equation.
BibTeX @misc{4ortxyz_orr-sommerfeld-equation_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Orr–Sommerfeld equation}}, year = {2026}, url = {https://4ort.xyz/entity/orr-sommerfeld-equation}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Orr–Sommerfeld equation — https://4ort.xyz/entity/orr-sommerfeld-equation (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 9d ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 4VGbCX
    Aliases
    Named after
    Instance of partial differential equation
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
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