petsc-3.14.6 2021-03-30
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SNESCOMPOSITE

 Build a preconditioner by composing together several nonlinear solvers

Options Database Keys

-snes_composite_type <type: one of multiplicative, additive, symmetric_multiplicative, special> - Sets composite preconditioner type
-snes_composite_sneses - <snes0,snes1,...> list of SNESes to compose

See Also

SNESCreate(), SNESSetType(), SNESType (for list of available types), SNES,
SNESSHELL, SNESCompositeSetType(), SNESCompositeSpecialSetAlpha(), SNESCompositeAddSNES(), SNESCompositeGetSNES()

References

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

Level

intermediate

Location

src/snes/impls/composite/snescomposite.c

Examples

src/snes/tutorials/ex9.c.html

Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages