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math.NA2026
Auxiliary Gradient-Flow Solvers for Generalized Newtonian Models
Stefano Zampini, Daniele Boffi, Gurt Dovletov +1
We introduce an auxiliary gradient-flow framework for variational problems with generalized Newtonian structure governed by an N-function. The key idea is to replace the nonlinear…
math.NA2025
Block BDDC/FETI-DP Preconditioners for Three-Field mixed finite element Discretizations of Biot's consolidation model
Hanyu Chu, Luca Franco Pavarino, Stefano Zampini
In this paper, we construct and analyze a block dual-primal preconditioner for Biot's consolidation model approximated by three-field mixed finite elements based on a displacement,…