Thank You for Your fast response. Lukasz
On 30 Sep 2009, at 17:04, Matthew Knepley wrote: > Yes, that is a general update function, suitable for updating this > information at the > start of a Newton iterate. > > Matt > > On Wed, Sep 30, 2009 at 10:53 AM, Lukasz Kaczmarczyk <likask at > civil.gla.ac.uk > > wrote: > Hello, > > I like to use SNES to solve nonlinear system of equations. For my > problem, I have to update some internal variables for computed > newtons increments of primary unknowns, before I update residual > (right hand side) and Jacobian. I found function SNESSetUpdate which > is called at the beginning o every iteration. But I am not sure > enough if that function is proper for updating internal variables. > Can You advise me if it is right to use internal variables, f.e. > increments of plastic strain at gauss points. > > Lukasz Kaczmarczyk > > > > -- > What most experimenters take for granted before they begin their > experiments is infinitely more interesting than any results to which > their experiments lead. > -- Norbert Wiener Lukasz Kaczmarczyk Lecturer Department of Civil Engineering, University of Glasgow, GLASGOW, G12 8LT Tel: +44 141 3305348 email: likask at civil.gla.ac.uk web: http://www.civil.gla.ac.uk/~kaczmarczyk/
