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 # composite:larc\_operator

 Last update: 31.07.2026 

**Version: 0.0.0**

## Description

Computes Larc for ElementalNodal data

## Inputs

InputNameExpected type(s)Description**Pin 7**   
Requiredmesh[`meshed_region`](../../core-concepts/dpf-types.md#meshed-region)**Pin 23**   
Requiredmaterials\_container`materials_container`Materials container**Pin 24**   
Requiredsection\_data\_container[`fields_container`](../../core-concepts/dpf-types.md#fields-container)Layup Container with layer thicknesses, angles etc.**Pin 100**   
Requiredcriterion\_configuration[`string`](../../core-concepts/dpf-types.md#standard-types)Criterion specification (json dict as string): For instance {"active": True, "dim" : 2, "lfc" : True, "lft" : True, "lmc" : True, "lmt" : True, "wf\_lfc" : 1, "wf\_lft" : 1, "wf\_lmc" : 1, "wf\_lmt" : 1}**Pin 101**   
Requiredactivate\_ply\_type\_filter[`bool`](../../core-concepts/dpf-types.md#standard-types)If true, only computes failure criteria for ply type 'isotropic'**Pin 102**   
Requiredbool[`bool`](../../core-concepts/dpf-types.md#standard-types)**Pin 400**   
Requiredstrains\_container[`fields_container`](../../core-concepts/dpf-types.md#fields-container)**Pin 401**   
Requiredstresses\_container[`fields_container`](../../core-concepts/dpf-types.md#fields-container)## Outputs

OutputNameExpected type(s)Description**Pin 0**fields\_container[`fields_container`](../../core-concepts/dpf-types.md#fields-container)A CFieldsContainer of CFields with the failure value results under the label is\_failure\_value=1 and failure modes under the label is\_failure\_value=0 from a specific failure criterion operator.## Configurations

NameExpected type(s)Default valueDescription**mutex**[`bool`](../../core-concepts/dpf-types.md#standard-types)falseIf this option is set to true, the shared memory is prevented from being simultaneously accessed by multiple threads.## Scripting

**Category**: composite

**Plugin**: composite

**Scripting name**: larc\_operator

**Full name**: composite.larc\_operator

**Internal name**: composite::larc\_operator

**License**: None

## Changelog

- Version 0.0.0: Initial release.