COMPUTE YIELD POINT OF ENG STRESS STRAIN CURVE¶
Computes the yield point of an engineering stress-strain curve using the 0.2% offset method (or a user-specified offset). The worker draws an offset line with the given elastic modulus slope and returns the intersection with the curve as the yield point.
When to use¶
Classification: process.
Tagged: 0.2%_offset, engineering_stress_strain, material_characterization, offset_method, stress_strain, yield_point, yield_stress.
Inputs¶
| Label | ID | Type | Default | Required | Description |
|---|---|---|---|---|---|
| Eng Stress Strain Curve | engstressstraincurve | vector | — | Engineering stress-strain curve (stress in MPa or consistent units vs. dimensionless strain) from which the yield point will be determined; provided as an XY vector pair. | |
| Elastic Modulus | elastic_modulus | scalar | 0 | Elastic (Young’s) modulus used as the slope of the offset line (same stress units as the curve, e.g. MPa); defaults to 210000 MPa (steel) when set to 0. | |
| Yield Offset | yield_offset | scalar | 0.002 | Strain offset applied to the elastic line for the offset yield method (dimensionless); default is 0.002, corresponding to the standard 0.2% offset rule. |
Outputs¶
| Label | ID | Type | Description |
|---|---|---|---|
| curve_engstress_yield_output_1 | curve_engstress_yield_output_1 | vector | Yield point result returned as an XY curve (or scalar pair) representing the intersection of the offset line with the engineering stress-strain curve; format depends on the internal return_type setting (defaults to ‘curve’). |
Disciplines¶
- data.curve.transform
- engineering.material.characterization
Runnable example¶
A runnable example is registered for this worker. Open the example workflow on the d3VIEW canvas: /api/workflow/example?id=curve_engstress_yield
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