[petsc-dev] How to get subsnes for subproblems based field decomposition

Lulu Liu lulu.liu at kaust.edu.sa
Fri Aug 19 08:49:28 CDT 2016


For example, I would like to solve the nonlinear driven cavity problem
(ex19.c in SNES). There are four components: u,v, omega, T.

I want to solve one equation at one time, is there any easier way to get
subsnes (for subproblems) from original SNES.



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