Jul 2026
Broken-space Additive Schwarz Mass Inverse Approximations and (Block) Preconditioning
A broken-space additive Schwarz (BRAS) mass inverse approximation, formed by applying exact element-local inverse mass matrices on the broken finite-element space and averaging the result back to the conforming space, is introduced.
O. Krzysik, B. Southworth, G. Wimmer
· arXiv.org · 1 citation