The GMSH Agent is a specialized AI module for finite element mesh generation and manipulation. It provides automated mesh generation, quality assessment, optimization, and integration with engineer...
The GMSH Agent is a specialized AI module for finite element mesh generation and manipulation. It provides automated mesh generation, quality assessment, optimization, and integration with engineering analysis tools.
# Ensure Python 3.10+ is installed
python --version
# Install GMSH Python bindings
uv pip install gmsh numpy scipy pyvista pyyaml click
# Navigate to agent directory
cd agents/gmsh
# Verify installation
python run_gmsh_agent.py --version
# Generate mesh from geometry
python run_gmsh_agent.py generate \
--input geometry.step \
--output mesh.msh \
--element-size 0.5
# Process multiple files
python run_gmsh_agent.py batch \
--input-directory ./geometries \
--output-directory ./meshes \
--config batch_config.yml \
--parallel 4
# Assess mesh quality
python run_gmsh_agent.py assess \
--mesh mesh.msh \
--report quality_report.html
# Optimize mesh quality
python run_gmsh_agent.py optimize \
--input mesh.msh \
--output optimized.msh \
--method laplacian \
--iterations 10
from agents.gmsh import GMSHAgent
# Initialize agent
agent = GMSHAgent(config="agent_config.json")
# Generate mesh
mesh = agent.generate_mesh(
geometry="platform.step",
config={
"algorithm": "frontal-delaunay",
"element_size": 0.5,
"element_type": "tetrahedron"
}
)
# Assess quality
quality = agent.assess_quality(mesh)
print(f"Minimum Jacobian: {quality['min_jacobian']}")
print(f"Average Aspect Ratio: {quality['avg_aspect_ratio']}")
# Optimize if needed
if quality['min_jacobian'] < 0.3:
optimized = agent.optimize_mesh(
mesh,
method="laplacian_smoothing",
iterations=10
)
# Export to ANSYS
agent.export_to_ansys(mesh, "model.cdb")
# Generate panel mesh for hydrodynamics
panel_mesh = agent.generate_panel_mesh(
geometry="hull.step",
panel_size=2.0,
refinement_zones=["waterline", "appendages"]
)
# Export to OrcaFlex
agent.export_to_orcaflex(panel_mesh, "hull_panels.dat")
# Generate structural mesh
struct_mesh = agent.generate_mesh(
geometry="structure.step",
element_type="hexahedron",
boundary_layers={
"walls": {"layers": 5, "growth_rate": 1.2}
}
)
# Export with boundary conditions
agent.export_to_ansys(
struct_mesh,
output="model.cdb",
named_selections=["inlet", "outlet", "walls"]
)
agent_config.json){
"configuration": {
"default_algorithm": "frontal-delaunay",
"default_element_size": 1.0,
"quality_thresholds": {
"min_jacobian": 0.3,
"max_aspect_ratio": 5.0
},
"performance": {
"parallel_workers": 4,
"memory_limit_gb": 4
}
}
}
batch_config.yml)mesh_generation:
algorithm: frontal-delaunay
element_size:
min: 0.1
max: 1.0
quality_targets:
min_jacobian: 0.4
max_aspect_ratio: 4.0