NWChen / ezmesh

the open source parametric CFD mesh generator

🕸️ ezmesh

the open source parametric CFD mesh generator

About

ezmesh is a declarative tool that parametrically generates meshes compliant with a variety of mesh formats with easy and configurable API on top of GMSH.

Install

Latest

pip install git+https://github.com/OpenOrion/ezmesh.git#egg=ezmesh

Other Versions

# Version 2
pip install git+https://github.com/OpenOrion/ezmesh.git@2.0.0#egg=ezmesh

# Version 1
pip install git+https://github.com/OpenOrion/ezmesh.git@1.0.0#egg=ezmesh

Example

See more examples in examples directory

Inviscid Wedge

from ezmesh import CurveLoop, PlaneSurface, TransfiniteSurfaceField, TransfiniteCurveField, Geometry, visualize_mesh
import numpy as np

with Geometry() as geo:
    wedge_coords = np.array([[0, 1], [1.5, 1], [1.5, 0.2], [0.5, 0], [0, 0]])
    
    wedge_curve_loop = CurveLoop.from_coords(
        wedge_coords, 
        mesh_size = 0.05,
        curve_labels=["upper", "outlet", "lower/1", "lower/2", "inlet"],
        fields=[
           TransfiniteCurveField(node_counts=[150,200,100,50,200])
        ]
    )
    surface = PlaneSurface(
        outlines=[wedge_curve_loop],
        is_quad_mesh=True,
        fields=[
            TransfiniteSurfaceField(corners=[
                *wedge_curve_loop.get_points("upper"), 
                *wedge_curve_loop.get_points("lower")
            ])
        ]
    )
    mesh = geo.generate(surface)
    visualize_mesh(mesh)
    geo.write("mesh_wedge_inv.su2")

Visualize Mesh

from ezmesh import import_from_file
from ezmesh import visualize_mesh
mesh = import_from_file("mesh_wedge_inv.su2")
visualize_mesh(mesh)

Devlopement Setup

git clone https://github.com/OpenOrion/ezmesh.git
cd ezmesh
pip install -r requirements_dev.txt

Help Wanted

Right now there are some items such as more CFD meshing configurations. Please join the Discord for project communications and collaboration. Please consider donating to the Patreon to support future work on this project.