Material
Last update: 16.07.2026class compolyx.Material(graph, obj, parent=None)
Represents a material.
Provides access to all material properties defined in the loaded finite element model.
Access
>>> import compolyx
>>> db = compolyx.DB()
>>> model = db.models['class40.1']
>>> materials = model.material_data.materials
>>> mat_UD300 = materials['UD300_GLAS']
>>> print mat_UD300.property_names
[‘density’, ‘engineering_constants’, ‘larc_constants’, ‘puck_constants’, ‘strain_limits’, ‘stress_limits’, ‘thermal_expansion_coefficients’, ‘tsai_wu_constants’, ‘woven_characterization’, ‘woven_puck_constants_1’, ‘woven_puck_constants_2’, ‘woven_stress_limits_1’, ‘woven_stress_limits_2’]
>>> property_set_eng_const = mat_UD300['engineering_constants']
Attributes
| Name | Description |
|---|---|
Material.active |
Active status of the object. |
Material.active_properties |
List of the active properties for the underlying material. |
Material.enabled |
Indicates whether the object is enabled. |
Material.ext_id |
ID of corresponding Material in external source. |
Material.id |
ID of the object. |
Material.is_constant |
True if engineering constants are constant. |
Material.is_dict_item |
Indicates whether the object is an item in a dictionary. |
Material.is_isotropic |
True if ply_type is isotropic or isotropic_homogeneous_core. |
Material.is_list_item |
Indicates whether the object is an item of a list. |
Material.link_path |
Root path of the current node in the tree for links to this object. |
Material.locked |
Material is generated from an external source and cannot be changed. |
Material.name |
Name of the object. |
Material.parent |
Parent object in the tree. |
Material.ply_type |
Ply type. |
Material.property_names |
List with all available property keys. |
Material.root_path |
Root path of the current node in the tree. |
Material.status |
Status of the object. |
Material.status_changed |
Boolean flag which is set to true in C++ when up-to-date status of object changes. |
Material.uid |
UID of the object. |
Material.vertex |
Raises an error if the object has been removed from the graph. |
Methods
| Name | Description |
|---|---|
Material.create_property_set(property_name, ...) |
Function to create a specific property set. |
Material.delete_property_set(property_name) |
Function to delete a specific property set. |
Material.find_parent(type) |
Steps up the tree and returns the first parent with given type. |
Material.obj_exists() |
Checks if __obj still references the c++ object (has not been reset to None by self._delete) and exists in the graph. |
Material.serialize() |
Serialize to Python string. |
Material.serialize_name_and_id() |
Serializes the name and ID. |
Material.update() |
|
Material.visit(visitor) |
Walk through the tree and let the visitor perform action on every descendant node. |
