36       equation_system( SharedPtr<
libMesh::EquationSystems>() ),
 
   38       timesteps_per_vis( 1 ),
 
   39       timesteps_per_perflog( 1 ),
 
   41       output_adjoint(false),
 
   42       output_residual( false ),
 
   43       output_residual_sensitivities( false ),
 
   44       output_solution_sensitivities( false ),
 
   45       print_perflog( false ),
 
   46       print_scalars( false ),
 
   47       do_adjoint_solve(false),