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1. AcousticPINN AcousticPINN Public

   Physics-informed neural network for the 1D acoustic wave equation: forward solve + wave-speed recovery, validated against the exact solution (PyTorch, tested)

   Python

2. ChatCAD ChatCAD Public

   Chat-driven parametric CAD with a real OpenCascade kernel and a multi-agent design loop (planner + modeler + visual critic via Claude vision). Includes a Windows installer.

   Python

3. FEMSurrogateToolkit FEMSurrogateToolkit Public

   Fast surrogate models of expensive simulations: Latin-hypercube DoE, POD compression, ridge regression (NumPy, tested)

   Python

4. PhononicBands PhononicBands Public

   Bloch-Floquet band structure solver for 2D periodic elastic media (pure NumPy/SciPy, physics-tested)

   Python

5. SAWDeviceSim SAWDeviceSim Public

   Analytic IDT + transfer-matrix models for SAW devices, validated to 0.3% against a measured LiNbO3 device

   Python