petsc-3.7.3 2016-07-24
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SNESNASM

Nonlinear Additive Schwartz

Options Database

-snes_nasm_log - enable logging events for the communication and solve stages
-snes_nasm_type <basic,restrict> - type of subdomain update used
-snes_asm_damping <dmp> - the new solution is obtained as old solution plus dmp times (sum of the solutions on the subdomains)
-snes_nasm_finaljacobian - compute the local and global jacobians of the final iterate
-snes_nasm_finaljacobian_type <finalinner,finalouter,initial> - pick state the jacobian is calculated at
-sub_snes_ - options prefix of the subdomain nonlinear solves
-sub_ksp_ - options prefix of the subdomain Krylov solver
-sub_pc_ - options prefix of the subdomain preconditioner

References

1. -Peter R. Brune, Matthew G. Knepley, Barry F. Smith, and Xuemin Tu, "Composing Scalable Nonlinear Algebraic Solvers", SIAM Review, 57(4), 2015

See Also

SNESCreate(), SNES, SNESSetType(), SNESType (for list of available types), SNESNASMSetType(), SNESNASMGetType(), SNESNASMSetSubdomains(), SNESNASMGetSubdomains(), SNESNASMGetSubdomainVecs(), SNESNASMSetComputeFinalJacobian(), SNESNASMSetDamping(), SNESNASMGetDamping()

Level:advanced
Location:
src/snes/impls/nasm/nasm.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages