Hi, I am trying to use SNESSetPrefix to set a name to the solver to set options for the solver. I do this by deriving from TransientNonlinearImplicitSystem and I do PetscDMNonlinearSolver<Number>* petsc_solver = new PetscDMNonlinearSolver<Number> (*this); // Attach the R & J calculation object petsc_solver->residual_object = this; petsc_solver->jacobian_object = this; // Attach the bounds calculation object petsc_solver->bounds_object = this; // Get a petsc error . this is an alias for a integer PetscErrorCode ierr; petsc_solver->PetscNonlinearSolver<Number>::init(); // The prefix is ch_solve_. I need to figure out how to // put it into the documentation ierr = SNESSetOptionsPrefix(petsc_solver->_snes,"ch_solve_");
in the constructor. This setting lasts for the first call to solve(). However - when I call the solver the second time, all the options are lost. Am I doing something wrong? Do I need to do something else to prevent the solver from being completely re-initialized. Thanks, Subramanya Sadasiva "But memory eventually fades. Turbulences damp out, internal strains yield to plastic flow, concentration inhomogeneities diffuse to uniformity. Systems tend to subside to very simple states,independent of their specific history." Herbert Callen . Thermodynamics and an Introduction to Thermostatics. ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_feb _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
