scikit-gmsh 0.1.0

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🚧 scikit-gmsh is in the pre-alpha stage. The interface could be subject to significant changes soon.

scikit-gmsh

Scikit for Gmsh to generate 3D finite element mesh.

Contributions are very welcome . This project is released with a Contributor Code of Conduct. By participating in this project, We want you to know that you agree to follow its terms.

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Table of Contents

• Installation
  • Developer
• Usage
• License

Installation

Developer

If you can't wait for the next release to play with the latest hot features, then you can easily install the main development branch from GitHub:

pip install git+https://github.com/pyvista/scikit-gmsh@main

Usage

import skgmsh as sg

We can define the surface using PyVista.

edge_source = sg.Polygon(n_sides=4, radius=8, fill=False)

We can then generate a 2D mesh.

mesh = sg.frontal_delaunay_2d(edge_source, target_sizes=2.0)

To visualize the model, we can use PyVista.

plotter = sg.Plotter()
_ = plotter.add_mesh(
    mesh,
    show_edges=True,
    line_width=1,
    color="aliceblue",
    lighting=False,
    edge_color="gray",
)
_ = plotter.add_mesh(edge_source, show_edges=True, line_width=4, color="gray")
plotter.show(cpos="xy")

We can also generate a 3D mesh.

edge_source = sg.Cube()
mesh = sg.delaunay_3d(edge_source, target_sizes=0.2)

plotter = sg.Plotter()
_ = plotter.add_mesh(
    mesh,
    show_edges=True,
    line_width=1,
    color="aliceblue",
    lighting=False,
    edge_color="gray",
)
_ = plotter.add_mesh(edge_source.extract_all_edges(), line_width=4, color="gray")
_ = plotter.add_box_axes()
plotter.show()

We can clip a mesh by a plane by specifying the origin and normal. See clip_with_surface_example for more examples using this filter.

clipped = mesh.clip(origin=(0.0, 0.0, 0.0), normal=(0.0, 0.0, 1.0), crinkle=True)

License

This software is published under the GPLv3 license.