feat: add MeepMeshSim for GMSH mesh-based photonic simulations#39
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feat: add MeepMeshSim for GMSH mesh-based photonic simulations#39
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Add an alternative mesh-based workflow for Meep that mirrors Palace's mesh() → write_config() pattern. Produces a GMSH .msh + mesh_config.json that fully describes a photonic problem. - MeepMeshSim class with geometry/source/domain/solver setters - mesh_config.py writer for JSON problem definition - include_airbox flag on generate_mesh (default False for photonics) - gsim.common.mesh module for solver-agnostic GMSH mesh generation - 21 new tests + notebook demo
Palace mesh modules import shared utilities from gsim.common.mesh instead of duplicating them. Also includes auto-generated api.md.
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Summary
MeepMeshSimclass — alternative mesh-based workflow for Meep that mirrors Palace'smesh()→write_config()pattern.msh+mesh_config.jsonthat fully describes a photonic problem (materials, source, monitors, domain, solver)include_airboxflag togenerate_mesh()/add_dielectrics()— defaults toTruefor Palace (RF),Falsefor Meep (photonics)materialfield to volume groups in mesh config JSON for consistency with layer_volumesgsim.common.meshmodule for solver-agnostic GMSH mesh generationTest plan
uv run pytest tests/meep/test_mesh_sim.py -v— 21 new tests passuv run pytest tests/common/test_mesh.py -v— common mesh tests passuv run pytest tests/— all existing tests still passnbs/mesh_ybranch.ipynbproduces.msh+mesh_config.json