[petsc-users] How to solve nonlinear F(x) = b(x)?

[Oxberry, Geoffrey Malcolm]

David,

What about solving G(x) = F(x) - b(x) = 0?

Geoff

On Aug 8, 2016, at 1:12 PM, Neiferd, David John <david.neiferd at wright.edu<mailto:david.neiferd at wright.edu>> wrote:

Hello all,

I've been searching through the PETSc documentation to try to find how to solve a nonlinear system where the right hand side (b) varies as a function of the state variables (x).  According to the PETSc documentation, SNES solves the equations F(x) = b where b is a constant vector.  What would I do to solve F(x) = b(x)?  An example of this would be a nonlinear thermoelastic structure where as the structure deforms the direction of the loads generated by the thermal expansion changes as well.  Any insight into how to implement this is appreciated.

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