EVALUATES THE SLOPE OF ALL CURVES TO DETERMINE IF MESH-REGULARIZATION IS REQUIRED¶
Evaluates the slope (or derivative intersection) of one or more stress-strain curves to determine whether mesh regularization is required for material softening/localization. Returns a dataset flagging each curve that exhibits a slope below the configured threshold, indicating potential strain localization.
When to use¶
Classification: process.
Tagged: derivative, intersection, localization, material, mesh_regularization, regularization_check, slope, strain.
Inputs¶
| Label | ID | Type | Default | Required | Description |
|---|---|---|---|---|---|
| Curve 1 | curve1 | vector | — | One or more stress-strain (or force-displacement) curves to be evaluated; accepts multiple vector inputs representing individual coupon or simulation curves. | |
| Factor to use while computing the end value | end_r | scalar | 0.2 | Fraction (0–1) of the curve’s maximum x-value used to define the ‘end’ region for slope computation; default 0.2 means the last 20% of the curve range is used. | |
| Threshold | threshold | scale | 0.05 | Dimensionless multiplier applied to the average slope; if the computed end-region slope falls below (threshold × average slope), the curve is flagged as requiring mesh regularization — default 0.05. |
Outputs¶
| Label | ID | Type | Description |
|---|---|---|---|
| Needs Mesh Regularization | curves_req_regularize | dataset | Tabular dataset listing each input curve with a flag (and supporting metrics such as computed slope and threshold) indicating whether mesh regularization is required for that curve. |
Disciplines¶
- data.curve.transform
- data.signal_processing
- engineering.material.calibration
- engineering.material.characterization
- engineering.material.failure
Runnable example¶
A runnable example is registered for this worker. Open the example workflow on the d3VIEW canvas: /api/workflow/example?id=curves_requires_mesh_regularization
Auto-generated from transformation schema. Worker id: curves_requires_mesh_regularization. Schema hash: 6e7598cad66d. Hand-curated docs in workerexamples/ override this page when present.