23 citations · 45 across the 7 of their papers we have counts for
8 papers
A multigrid reduction framework for domains with symmetries
Àdel Alsalti-Baldellou, Carlo Janna, Xavier Álvarez-Farré +1
Divergence constraints are present in the governing equations of numerous physical phenomena, and they usually lead to a Poisson equation whose solution represents a bottleneck in…
Unexpected fault activation due to underground gas storage in produced reservoirs. Part II: Definition of safe operational bandwidths
Selena Baldan, Massimiliano Ferronato, Andrea Franceschini +9
Underground gas storage is a versatile tool for managing energy resources and addressing pressing environmental concerns. While natural gas is stored in geological formations since…
Unexpected fault activation due to underground gas storage in produced reservoirs. Part I: Mathematical model and mechanisms
Andrea Franceschini, Claudia Zoccarato, Selena Baldan +5
Underground gas storage (UGS) is a critical technology for managing seasonal gas consumption peaks, increasingly important in the face of market uncertainties. However, safety conc…
Parallel Energy-Minimization Prolongation for Algebraic Multigrid
Carlo Janna, Andrea Franceschini, Jacob B. Schroder +1
Algebraic multigrid (AMG) is one of the most widely used solution techniques for linear systems of equations arising from discretized partial differential equations. The popularity…
A Reverse Augmented Constraint preconditioner for Lagrange multiplier methods in contact mechanics
Andrea Franceschini, Matteo Frigo, Carlo Janna +1
Frictional contact is one of the most challenging problems in computational mechanics. Typically, it is a tough nonlinear problem often requiring several Newton iterations to conve…
Chronos: A general purpose classical AMG solver for High Performance Computing
Giovanni Isotton, Matteo Frigo, Nicolò Spiezia +1
The numerical simulation of the physical systems has become in recent years a fundamental tool to perform analyses and predictions in several application fields, spanning from indu…
A GPU-accelerated adaptive FSAI preconditioner for massively parallel simulations
Giovanni Isotton, Carlo Janna, Massimo Bernaschi
The solution of linear systems of equations is a central task in a number of scientific and engineering applications. In many cases the solution of linear systems may take most of…
A robust adaptive algebraic multigrid linear solver for structural mechanics
Andrea Franceschini, Victor A. Paludetto Magri, Gianluca Mazzucco +2
The numerical simulation of structural mechanics applications via finite elements usually requires the solution of large-size and ill-conditioned linear systems, especially when ac…