> > Sorry, I forgot. Is the linear solver converging? If not, then that > is the problem? Use a tolerance like -ksp_rtol 1.e-10 and see if the > nonlinear solver converges. > I'll try that when I have access to the code. I havent checked if the linear solver converges is thera a -kspmonitor or -kspconvergedreason I should use? /nisse