A ROM-accelerated BDDC solver for unfitted p-FEM on level-set lattices solves problems with over 17,000 varying cells in about 30 seconds on a laptop while keeping iteration counts bounded.
Weeger, Isogeometric sizing and shape optimization of 3D beams and lattice structures at large deformations, Structural and Multidisciplinary Optimization 65 (2) (2022) 1–22
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A ROM-based BDDC solver for unfitted p-FEM level-set-based lattice structures
A ROM-accelerated BDDC solver for unfitted p-FEM on level-set lattices solves problems with over 17,000 varying cells in about 30 seconds on a laptop while keeping iteration counts bounded.