Lab PMMA + cement — coupled HF simulator verification

Laboratory (Aachen / partner labs) · Deb 2021 · RMRE · 10.1007/s00603-021-02425-y

Citation

Rock Mechanics and Rock Engineering

Springer

2021

DOI verified

First author: Deb, P.

DOI: 10.1007/s00603-021-02425-y

Open reference

Auto-fetch & digitize

CSV export units

timepressure

No digitized data cached yet. “Auto-fetch” asks the AI to read the open-access figure(s) and return (x, y) samples for each measured series. Review before saving as ground truth — model output may be noisy and should be cross-checked against the paper.

Blind-match rerun

24.0

Composite blind-fit score (0–100)

Series	n	RMSE	MAE	Bias	MAPE %
Wellbore P (lab)	12	132370.93	131176.74	131176.74	39.14

Physics-gate trace

FAIL

Composite 24/100 — below fit threshold.

01Gate identified — PKN net pressure
Dispatcher routed entry "deb-2021-pkn-lab-verification" to the pkn-netpressure forward evaluator.
02Reference inputs check
All required `referenceInputs` (and `extra` knobs, if any) resolved.
03Measured series check
1 series, 12 samples evaluated.
04Fit — Wellbore P (lab)
RMSE > 30 % of series mean — model misses measured curve.
n: 12
RMSE: 1.32e+5
MAE: 1.31e+5
bias: 1.31e+5
MAPE: 39.1 %
maxAbs: 1.53e+5

Saved runs (0) · shared bucket

No saved runs yet. Click Save run after a rerun to snapshot the score, per-series metrics, and current rerun inputs (unit overrides, preview values, preset). Snapshots are scoped to the active project.

Sensitivity (OFAT, Spearman ρ)

Factor	Spearman ρ	Score swing	Sign flip?
Rate q [bpm/wing]	1.000	6.00	flip
Plane-strain E' [psi]	1.000	22.00	flip
Viscosity μ [cP]	1.000	6.00	flip
Height h [ft]	-1.000	46.00	flip
Reservoir p_init [psi]	0.000	0.00	—

±25% half-range, 7 samples per factor. Score = exp(-3.6 · rel-RMSE) × 100.

Forward-run only — no post-hoc tuning. Digitized series carry the listed reading error. DOI links to publisher; data reuse subject to publisher license.