CREATE A MAT_36¶
Generates an LS-DYNA MAT_36 (*MAT_3-PARAMETER_BARLAT) keyword block for anisotropic plasticity of sheet metals. Accepts standard elastic/plastic parameters and a hardening-rule selector, then emits a ready-to-include keyword text. Use this worker whenever a Barlat three-parameter yield-surface material card is needed in a deck-authoring workflow.
When to use¶
Classification: data.
Tagged: MAT_3-PARAMETER_BARLAT, anisotropic_plasticity, barlat, deck_authoring, hardening_rule, keyword, lsdyna, mat_36.
Inputs¶
| Label | ID | Type | Default | Required | Description |
|---|---|---|---|---|---|
| Material Name | material_name | scalar | — | Alphanumeric label written into the LS-DYNA keyword header (e.g. ‘Steel_DP980’); leave blank to omit a named header. | |
| Material ID | material_i_d | scalar | — | Integer LS-DYNA material ID (MID) to assign to this card; must be unique within the deck. | |
| Density | density | scalar | — | Mass density of the material in consistent model units (e.g. kg/mm³ or t/mm³); required for any dynamic simulation. | |
| Elastic Modulus | elastic_modulus | scalar | — | Young’s modulus (E) in consistent pressure units (e.g. MPa or GPa); defines the elastic stiffness of the material. | |
| Poissons Ratio | poissons_ratio | scalar | — | Poisson’s ratio (ν, dimensionless, typically 0.28–0.33 for metals); governs lateral strain coupling. | |
| Hardening Rule | h_r | scalar | 1 | Hardening rule selector (HR, integer 0–10) controlling the plastic hardening formulation used by MAT_36; defaults to 1 (Swift power-law). | |
| Starting Curve Id | starting_curve_id | scalar | 1 | Starting load-curve ID offset; the worker assigns load-curve references for the Barlat yield surface beginning at this integer value, ensuring no ID collisions with other curves in the deck. | |
| Number Of Dig Points | numberof_dig_points | scalar | 200 | Number of Dig Points | |
| R00 Hardening Curve | r00hardening_curve | vector | — | R00 Hardening Curve <a class=’btn btn-xs btn-default’ target=’_blank’ href=’https://www.d3view.com/docs/master/workflows/Glossary.html#curveinput’> <i class=’fa fa-external-link’> </i> View more </a> | |
| R45 Hardening Curve | r45hardening_curve | vector | — | R45 Hardening Curve <a class=’btn btn-xs btn-default’ target=’_blank’ href=’https://www.d3view.com/docs/master/workflows/Glossary.html#curveinput’> <i class=’fa fa-external-link’> </i> View more </a> | |
| R90 Hardening Curve | r90hardening_curve | vector | — | R90 Hardening Curve <a class=’btn btn-xs btn-default’ target=’_blank’ href=’https://www.d3view.com/docs/master/workflows/Glossary.html#curveinput’> <i class=’fa fa-external-link’> </i> View more </a> | |
| Shear Hardening Curve | shear_hardening_curve | vector | — | Shear Hardening Curve <a class=’btn btn-xs btn-default’ target=’_blank’ href=’https://www.d3view.com/docs/master/workflows/Glossary.html#curveinput’> <i class=’fa fa-external-link’> </i> View more </a> | |
| Bi-Axial Hardening Curve | bi-axial_hardening_curve | vector | — | Bi-Axial Hardening Curve <a class=’btn btn-xs btn-default’ target=’_blank’ href=’https://www.d3view.com/docs/master/workflows/Glossary.html#curveinput’> <i class=’fa fa-external-link’> </i> View more </a> | |
| R00 Curve | r00curve | vector | — | R00 Curve <a class=’btn btn-xs btn-default’ target=’_blank’ href=’https://www.d3view.com/docs/master/workflows/Glossary.html#curveinput’> <i class=’fa fa-external-link’> </i> View more </a> | |
| R45 Curve | r45curve | vector | — | R45 Curve <a class=’btn btn-xs btn-default’ target=’_blank’ href=’https://www.d3view.com/docs/master/workflows/Glossary.html#curveinput’> <i class=’fa fa-external-link’> </i> View more </a> | |
| R90 Curve | r90curve | vector | — | R90 Curve <a class=’btn btn-xs btn-default’ target=’_blank’ href=’https://www.d3view.com/docs/master/workflows/Glossary.html#curveinput’> <i class=’fa fa-external-link’> </i> View more </a> | |
| R Shear Curve | r_shear_curve | vector | — | R Shear Curve <a class=’btn btn-xs btn-default’ target=’_blank’ href=’https://www.d3view.com/docs/master/workflows/Glossary.html#curveinput’> <i class=’fa fa-external-link’> </i> View more </a> | |
| R Bi-Axial Curve | r_bi-axial_curve | vector | — | R Bi-Axial Curve <a class=’btn btn-xs btn-default’ target=’_blank’ href=’https://www.d3view.com/docs/master/workflows/Glossary.html#curveinput’> <i class=’fa fa-external-link’> </i> View more </a> | |
| M Barlet Flow Exponent | m_barlet_flowexponent | scalar | 0 | M Barlet Flow exponent | |
| AOPT | aop_t | scalar | 2 | ||
| XP | x_p | scalar | 0 | ||
| YP | y_p | scalar | 0 | ||
| ZP | z_p | scalar | 0 | ||
| A1 | a1 | scalar | 1 | ||
| A2 | a2 | scalar | 0 | ||
| A3 | a3 | scalar | 0 | ||
| V1 | v1 | scalar | 0 | ||
| V2 | v2 | scalar | 0 | ||
| V3 | v3 | scalar | 0 | ||
| D1 | d1 | scalar | 0 | ||
| D2 | d2 | scalar | 0 | ||
| D3 | d3 | scalar | 0 | ||
| BETA | bet_a | scalar | 0 |
Outputs¶
| Label | ID | Type | Description |
|---|---|---|---|
| dynakeyword_mat36_output_1 | dynakeyword_mat36_output_1 | text | Plain-text LS-DYNA keyword block containing the fully formatted *MAT_3-PARAMETER_BARLAT card, ready to be concatenated into a solver input deck. |
Disciplines¶
- cae.preprocessing.deck_authoring
- engineering.material.calibration
- engineering.material.library
Auto-generated from transformation schema. Worker id: dynakeyword_mat36. Schema hash: 061e3bfac6e8. Hand-curated docs in workerexamples/ override this page when present.