Pith Number

pith:FLUSLSCL

pith:2026:FLUSLSCLIOGPZNEVMPDP4OZH3W

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Assimilation of wall-pressure measurements in direct numerical simulations of high-speed flow over a cone-flare geometry

Brett Tillman, Pierluigi Morra, Stuart Laurence, Tamer A. Zaki

Assimilating all wall-pressure sensor data is essential to predict separation onset and downstream pressures in Mach 6 cone-flare DNS.

arxiv:2605.15443 v1 · 2026-05-14 · physics.flu-dyn

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\pithnumber{FLUSLSCLIOGPZNEVMPDP4OZH3W}

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The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Claims

C1strongest claim

Assimilating all the sensor data is shown to be essential to correctly predict separation onset and the downstream wall-pressure data.

C2weakest assumption

The experimental wall-pressure spectra and intensities from the seven PCB sensors are assumed to provide sufficient information to constrain the entire three-dimensional unsteady flow field, including the separation region and shock motion, within the DNS.

C3one line summary

EnVar assimilation of wall-pressure data from seven sensors is required to accurately predict separation onset and downstream pressures in Mach 6 cone-flare DNS, while upstream sensors alone are insufficient.

References

97 extracted · 97 resolved · 1 Pith anchors

[1] Balakumar, P. and Zhao, H. and Atkins, H. , title =. AIAA Journal , year =

[2] Benay, R. and Chanetz, B. and Mangin, B. and Vandomme, L. and Perraud, J. , title =. AIAA Journal , year =

[3] Benitez, E. K. and Jewell, J. S. and Schneider, S. P. and Esquieu, S. , title =. AIAA Paper 2020-3072 , year = 2020

[4] Guiho, F. and Alizard, F. and Robinet, J.-C. , title =. J. Fluid Mech. , year =

[5] Mack, L. M. , title =. AIAA Journal , year =

Formal links

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Receipt and verification

First computed	2026-05-20T00:00:58.860218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ae925c84b438cfcb49563c6fe3b27dda9bff965644c17bdd6ac9ef58c781c7b

Aliases

arxiv: 2605.15443 · arxiv_version: 2605.15443v1 · doi: 10.48550/arxiv.2605.15443 · pith_short_12: FLUSLSCLIOGP · pith_short_16: FLUSLSCLIOGPZNEV · pith_short_8: FLUSLSCL

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FLUSLSCLIOGPZNEVMPDP4OZH3W \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2ae925c84b438cfcb49563c6fe3b27dda9bff965644c17bdd6ac9ef58c781c7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fe7601d749c063f1424634e524b323fed5c8b362bfe402a8bb681b1aba862b2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-05-14T21:57:15Z",
    "title_canon_sha256": "daca85febea03b289444e391efcdaf8fccf861f9b106a9ffef53a33fa7850bbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.15443",
    "kind": "arxiv",
    "version": 1
  }
}