deal.II

Core finite-element backbone for the dealii-X stack. It provides the adaptive meshes, matrix-free operators, distributed data structures, and solver interfaces used across the downstream repositories.

Homepage Repository

deal.II logo

deal.II multigrid illustration

  • Role: shared numerical infrastructure for virtually every other code in this catalog.

  • Highlights: adaptive finite elements, distributed meshes, matrix-free operators, broad external solver support.

  • Local path: libraries/dealii