GENERATE GISSMO FAILURE¶
Generates a GISSMO failure curve (LCSDG) by combining an optional base failure curve with strain-rate dependency (LCSR) and mesh-regularization (LCREG) curves over a specified triaxiality range and strain rate. Use this worker to assemble the complete GISSMO fracture locus ready for LS-DYNA MAT_ADD_EROSION or equivalent keyword decks.
When to use¶
Classification: process.
Tagged: LCREG, LCSDG, LCSR, failure_curve, fracture_locus, gissmo, ls-dyna, mat_add_erosion.
Inputs¶
| Label | ID | Type | Default | Required | Description |
|---|---|---|---|---|---|
| Gissmo Failure Curve | gissmo_failure_curve | vector | — | The GISSMO base failure curve (LCSDG): equivalent plastic strain at fracture vs. triaxiality ratio; accepts multiple curves (dimensionless x-axis, plastic-strain y-axis); leave empty to build the locus purely from options defaults. | |
| Options | values | keyvalue | (complex) | Key-value options controlling the generated locus: triax_min (default −0.666) and triax_max (default 0.666) define the triaxiality sweep range, strain_rate (default 1 × 10⁻⁴ s⁻¹) sets the reference strain rate, and mesh_length (default 1.0 mm) sets the reference element size for regularization. | |
| Strain rate dependency | strain_rate_curve | vector | 100 | Strain-rate dependency curve or table (LCSR): scale factor vs. strain rate (s⁻¹); used to adjust the failure locus for dynamic loading; leave at default (100) to omit strain-rate scaling. | |
| Regularization curve | regularization_curve | vector | 100 | Mesh-regularization curve or table (LCREG): scale factor vs. element size (mm); corrects the failure strain for mesh-size sensitivity; leave at default (100) to omit regularization scaling. |
Outputs¶
| Label | ID | Type | Description |
|---|---|---|---|
| GISSMO Failure Curve | failure_curve | vector | The assembled GISSMO failure curve (LCSDG-format vector): equivalent plastic failure strain vs. triaxiality, incorporating strain-rate and mesh-regularization adjustments, ready for direct use in an LS-DYNA GISSMO material deck. |
Disciplines¶
- data.curve.transform
- engineering.material.calibration
- 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_generate_gissmo_failure
Auto-generated from transformation schema. Worker id: curves_generate_gissmo_failure. Schema hash: 56b3702ffa61. Hand-curated docs in workerexamples/ override this page when present.