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 # MaterialData

 Last update: 16.07.2026 

<a id="compolyx.MaterialData"></a>

### *class* compolyx.MaterialData(graph, parent=None)

MaterialData manages all composite material data

### Attributes

NameDescription[`MaterialData.enabled`](compolyx.MaterialData.enabled.md#compolyx.MaterialData.enabled)Whether MaterialData is currently enabled or not.[`MaterialData.fabrics`](compolyx.MaterialData.fabrics.md#compolyx.MaterialData.fabrics)Dictionary with all fabrics defined.[`MaterialData.is_dict_item`](compolyx.MaterialData.is_dict_item.md#compolyx.MaterialData.is_dict_item)Indicates whether the object is an item in a dictionary.[`MaterialData.is_list_item`](compolyx.MaterialData.is_list_item.md#compolyx.MaterialData.is_list_item)Indicates whether the object is an item of a list.[`MaterialData.link_path`](compolyx.MaterialData.link_path.md#compolyx.MaterialData.link_path)Root path of the current node in the tree for links to this object.[`MaterialData.material_apdl_path`](compolyx.MaterialData.material_apdl_path.md#compolyx.MaterialData.material_apdl_path)Optional path to file with APDL material definitions to be used in the CDB export.[`MaterialData.materials`](compolyx.MaterialData.materials.md#compolyx.MaterialData.materials)Dictionary with all materials defined.[`MaterialData.matml_path`](compolyx.MaterialData.matml_path.md#compolyx.MaterialData.matml_path)Path to MatML file as provided by Workbench EngineeringData.[`MaterialData.name`](compolyx.MaterialData.name.md#compolyx.MaterialData.name)Currently a name is needed for every object in the db tree.[`MaterialData.parent`](compolyx.MaterialData.parent.md#compolyx.MaterialData.parent)Parent object in the tree.[`MaterialData.root_path`](compolyx.MaterialData.root_path.md#compolyx.MaterialData.root_path)Root path of the current node in the tree.[`MaterialData.stackups`](compolyx.MaterialData.stackups.md#compolyx.MaterialData.stackups)Dictionary with all stack ups defined.[`MaterialData.sub_laminates`](compolyx.MaterialData.sub_laminates.md#compolyx.MaterialData.sub_laminates)Dictionary with all sub laminates defined.[`MaterialData.unit_system`](compolyx.MaterialData.unit_system.md#compolyx.MaterialData.unit_system)Unit system of material data, propagated from model.### Methods

NameDescription[`MaterialData.copy`](compolyx.MaterialData.copy.md#compolyx.MaterialData.copy)(source\[, on\_duplicate\_name\])Copy a list of material data source.[`MaterialData.copy_fabric`](compolyx.MaterialData.copy_fabric.md#compolyx.MaterialData.copy_fabric)(source\[, ...\])Copy a fabric.[`MaterialData.copy_material`](compolyx.MaterialData.copy_material.md#compolyx.MaterialData.copy_material)(source\[, ...\])Copy a material.[`MaterialData.copy_stackup`](compolyx.MaterialData.copy_stackup.md#compolyx.MaterialData.copy_stackup)(source\[, ...\])Copy a stackup.[`MaterialData.copy_sub_laminate`](compolyx.MaterialData.copy_sub_laminate.md#compolyx.MaterialData.copy_sub_laminate)(source\[, ...\])Copy a sublaminate.[`MaterialData.create_fabric`](compolyx.MaterialData.create_fabric.md#compolyx.MaterialData.create_fabric)(name\[, id, ...\])Create a new fabric.[`MaterialData.create_material`](compolyx.MaterialData.create_material.md#compolyx.MaterialData.create_material)(name\[, id, ...\])Create a constant material.[`MaterialData.create_stackup`](compolyx.MaterialData.create_stackup.md#compolyx.MaterialData.create_stackup)(name\[, id, ...\])Create a new stackup.[`MaterialData.create_sub_laminate`](compolyx.MaterialData.create_sub_laminate.md#compolyx.MaterialData.create_sub_laminate)(name\[, id, ...\])Create a new sublaminate.[`MaterialData.export_matml`](compolyx.MaterialData.export_matml.md#compolyx.MaterialData.export_matml)(path\[, unit\_system\])Export materials to ANSYS Engineering Data MatML format.[`MaterialData.find_materials`](compolyx.MaterialData.find_materials.md#compolyx.MaterialData.find_materials)(\*\*properties)Find materials with the given properties or property ranges.[`MaterialData.find_parent`](compolyx.MaterialData.find_parent.md#compolyx.MaterialData.find_parent)(type)Steps up the tree and returns the first parent with given type.[`MaterialData.import_matml`](compolyx.MaterialData.import_matml.md#compolyx.MaterialData.import_matml)(path\[, ...\])Import material data from MatML file as provided by Workbench Engineering Data.[`MaterialData.serialize`](compolyx.MaterialData.serialize.md#compolyx.MaterialData.serialize)()Serialize to Python string.[`MaterialData.visit`](compolyx.MaterialData.visit.md#compolyx.MaterialData.visit)(visitor)Walk through the tree and let the visitor perform action on every descendant node.