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Mixed (structured/unstructured) 3D mesh generator based on curved cuboid elements (primitives)

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romanzes637/gmsh_scripts

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gmsh_scripts

3D structured/unstructured/tetrahedral/hexahedral multi-block mesh generator with boolean operations based on gmsh

Documentation

Installation

Pip

  1. Download and install Python
  2. Install gmsh_scripts
pip install gmsh-scripts
  1. Create or download input file
{
  "metadata": {
    "run": {
      "factory": "occ"
    }
  },
  "data": {
    "class": "block.Matrix",
    "matrix": [
      [-1, 0, 1],
      [-2, 0, 2],
      [-3, 0, 3]
    ]
  }
}
  1. Create mesh
python -m gmsh_scripts matrix.json

Github

  1. Download and install Python
  2. Download gmsh_scripts
  3. Install requirements
pip install -r requirements/prod.txt
  1. Create or download input file
  2. Create mesh
python gmsh_scripts/run.py matrix.json

Result

Matrix

Complex mesh from examples

Create mesh

python -m gmsh_scripts all_heater_plug.json

Experiment

Plot tree

pin install gmsh_scripts[viz]
python -m gmsh_scripts all_heater_plug.json --plot

Experiment tree

Examples Click them!

Multilayerd Cylinder Simple Torus Simple Tokamak Simple Stellarator Wells Cross section 1 Cross section 2 Core Quarter layer Quarter layer with holes

Cite

gmsh

Geuzaine and J.-F. Remacle. Gmsh: a three-dimensional finite element mesh generator with built-in pre- and post-processing facilities. International Journal for Numerical Methods in Engineering 79(11), pp. 1309-1331, 2009

gmsh scripts

Butov R.A., Drobyishevsky N.I., Moiseenko E.V., Tokarev Yu. N. Mesh generation for radioactive waste management tasks. Radioactive Waste, 2021, no. 1 (14), pp. 87—95. DOI: 10.25283/2587-9707-2021-1-87-95. (In Russian)

Contacts

Roman Pashkovsky

https://github.com/romanzes637

romapasky@gmail.com

Made in Nuclear Safety Institute of the Russian Academy of Sciences (IBRAE RAN)