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TetMesh

TetMesh​

This class represents a tetrahedral mesh.

Constructor​

TetMesh()​

Creates a new instance of the TetMesh class.

TetMesh(nodes, elements, scale)​

Creates a new instance of the TetMesh class from the given nodes and elements, with the specified scale.

  • nodes (list of Vec3d): The list of nodes.
  • elements (list of Vec3i): The list of elements.
  • scale (float): The scaling factor.

Attribution​

nodes​

The list of nodes.

elements​

The list of elements.

bound_facets​

The list of boundary facets.

bound_edges​

The list of boundary edges.

bound_nodes​

The list of boundary nodes.

surface_nodes​

The list of surface nodes.

surface_facets​

The list of surface facets.

surface_node_linked_boundaries​

The list of surface node linked boundaries.

Methods​

GetSurfaceSTL()​

Returns the surface mesh in STL format.

SaveAsVTK(filename)​

Saves the mesh in VTK format to the specified file.

  • filename (str): The name of the file to save to.

Init()​

Initializes the mesh.

Membrane​

This class represents a membrane in a simulation.

Constructor​

__init__(radius, height)​

Creates a new instance of the PyMembrane class.

  • radius (float): The radius of the membrane.
  • height (float): The height of the membrane.

__init__(radius, height, mesh_size)​

Creates a new instance of the PyMembrane class.

  • radius (float): The radius of the membrane.
  • height (float): The height of the membrane.
  • mesh_size (float): The size of the mesh.

__init__(radius, height, mesh_size, neo_k, neo_mu, density)​

Creates a new instance of the PyMembrane class.

  • radius (float): The radius of the membrane.
  • height (float): The height of the membrane.
  • mesh_size (float): The size of the mesh.
  • neo_k (float): The Neo-Hookean constant of the membrane.
  • neo_mu (float): The Neo-Hookean coefficient of the membrane.
  • density (float): The density of the membrane.

Attributes​

radius (float):​

The radius of the membrane.

height (float):​

The height of the membrane.

mesh_size (float):​

The size of the mesh.

center (tuple of floats):​

The center coordinates of the membrane.

  • neo_k (float): The Neo-Hookean constant of the membrane.

  • neo_mu (float): The Neo-Hookean coefficient of the membrane.

  • density (float): The density of the membrane.

  • thickness (float): The thickness of the membrane.

  • damp_coef (float): The damping coefficient of the membrane.

  • timestep (float): The timestep of the membrane.

  • nodes (list of tuples of floats): The coordinates of the nodes in the membrane.

  • elements (list of tuples of ints): The connectivity of the elements in the membrane.

  • elemental_stress (list of tuples of floats): The elemental stress of the membrane.

  • nodal_vols (list of floats): The nodal volumes of the membrane.

  • nodal_vels (list of tuples of floats): The nodal velocities of the membrane.

  • bc_facet_pressure (list of floats): The boundary condition pressure of the membrane.

  • bc_facet_forces (list of tuples of floats): The boundary condition forces of the membrane.

  • bc_nodal_vels (list of tuples of floats):

The boundary condition nodal velocities of the membrane.

Methods​

Remesh()​

Remeshes the membrane.

SetBCNodalVelocity(nodal_vels)​

Sets the boundary condition nodal velocities of the membrane.

  • nodal_vels (list of tuples of floats): The boundary condition nodal velocities of the membrane.

Init()​

Initializes the membrane.

Solve()​

Solves the membrane.

SaveAsVTK(filename: str)​

Saves the membrane as a VTK file.

  • filename (str): The filename of the VTK file.