GAUSSIAN SPECTRUM GENERATOR¶
Generates a set of Prony Gi/βi terms by sampling a Gaussian relaxation spectrum defined by 5 parameters (amplitude, mean in ln(β), width/σ, point spacing, skew). Used standalone or as the term generator inside the Prony Series Generator’s Gaussian fitting mode.
When to use¶
Tagged: prony_series, viscoelastic, relaxation, gaussian, spectrum, material_calibration.
Inputs¶
| Label | ID | Type | Default | Required | Description |
|---|---|---|---|---|---|
| Number of terms | num_terms | scalar | 5 | How many Gi/βi points to read off the Gaussian curve. | |
| Amplitude | amplitude | scalar | 0.01 | Peak shear modulus (vertical scale of the Gaussian). | |
| Mean (ln β) | mean | scalar | 0.0 | Center of the spectrum in ln(β). | |
| Width (σ) | width | scalar | 1.0 | Standard deviation of the Gaussian in ln(β). | |
| Point spacing | dist | scalar | 0.5 | ln(β) spacing between adjacent Prony points. | |
| Skew | skew | scalar | 0.0 | Asymmetric left/right stretch of point positions (−1..1). |
Outputs¶
| Label | ID | Type | Description |
|---|---|---|---|
| Prony Terms | prony_terms | keyvalue | g0,beta0,…,gN,betaN derived from the Gaussian curve. |
| Spectrum Curve | spectrum_curve | vector | The (β, G) points read off the Gaussian spectrum. |
Disciplines¶
- engineering.material.calibration
- engineering.material.characterization
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