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docs: use fixed MITC4 reference tolerance

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2026-08-13 10:06:45 +09:00
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docs/research/linear-static-mitc4-shell-research.md
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@@ -180,7 +180,7 @@ problems must not be mixed.
1. **Drilling:** P1 fixes the positive physical-rotational-diagonal scale and `10^-3` factor. Alternative-family comparison, coefficient sweep, conditioning plateau and artificial-energy threshold are not required.
2. **Director/geometry:** `NR-O03` and `NR-O04` are removed. The absence of a calibrated smooth angle or distortion/warp cutoff is not missing evidence.
3. **Reference tolerance:** P1 reuses the B33 formula `1e-9 + 1e-6*reference_scale_c`; U exceedance fails and UR exceedance only warns.
3. **Reference tolerance:** The approved downstream contract uses fixed absolute `1.0e-5` for every U/UR row without a reference-scale decision term; U exceedance fails and UR exceedance only warns. The B33 mixed tolerance remains unchanged and separate.
4. **Reference case:** the existing `reference/shell/` S4 input/displacement pair is the complete required acceptance inventory because FESA-MITC4 uses full integration. `reference/shellR/` is not consumed by acceptance comparison. Administrative bundle metadata and an expanded portfolio are not gates.
No research-owned numerical decision remains blocking for Implementation Planning.
@@ -195,7 +195,7 @@ No research-owned numerical decision remains blocking for Implementation Plannin
| `037` S4/S4R common path | F-25–F-27, `MITC4-S4-S4R-SAME-PATH` | source mapping supported only as a FESA product decision, never an Abaqus formulation claim |
| `039-048` shell outputs | F-09–F-11/F-18 | physical shell output and bottom/mid/top stress locations; no drilling-specific dataset |
| `049-057` element verification | F-28/F-29 and Candidate Benchmarks | required invariant/patch/fixed-drill checks; broader portfolio remains optional |
| `058-064` U/UR tolerance | F-25–F-27 plus P1 | exact B33 mixed tolerance; U blocking and UR warning-only |
| `058-064` U/UR tolerance | F-25–F-27 plus approved user decision | fixed absolute `1.0e-5`; U blocking and UR warning-only |
| `065-072` reference artifacts | S11/S12 and current inventory state | exact existing S4 paths, source-row/component mapping, S4R non-consumption, and immutability |
## Downstream Handoff
@@ -223,7 +223,7 @@ No research-owned numerical decision remains blocking for Implementation Plannin
### Reference Model Agent
- Record the exact existing S4 and S4R input/displacement paths without creating, renaming, repairing, or normalizing artifacts.
- Define deterministic HDF5-to-CSV source-node/component mapping and the fixed B33 tolerance; do not require provenance, naming policy, README/metadata, duplicated model descriptions, or an expanded portfolio.
- Define deterministic HDF5-to-CSV source-node/component mapping and the fixed absolute MITC4 tolerance `1.0e-5`; do not require provenance, naming policy, README/metadata, duplicated model descriptions, or an expanded portfolio.
### Implementation Planning Agent