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Mosaic

Fourteen differentiable PDE solvers compared behind one gradient interface

Paper title Mosaic: A Benchmark Suite for Differentiable Physics Solvers

Rehmann et al. (Pasteur Labs) · Aero & CFD · Structures & crash · Thermal · Public: code

Paper arXiv 2606.27895PDF

Fourteen PDE solvers (JAX-CFD, PhiFlow, XLB, Exponax, FEniCS, Firedrake, JAX-FEM and others, with OpenFOAM and deal.II as forward-only references) are each packaged as a Tesseract container with one gradient interface, then compared on four tasks: heat-conductivity inversion, cantilever topology optimisation, drag minimisation around a 2D cylinder and recovery of a 3D flow's initial state. Code: https://github.com/pasteurlabs/mosaic

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