initial capability for setting petsc options per FEProblem. Note that…

… this does not finish this ticket. We really need to find a way to name the nonlinear systems and use the proper Petsc prefixing methods for specifying per-solve parameters. ref #1872

r17860

framework/src/base/FEProblem.C

@@ -33,6 +33,7 @@
 #include "ElementH1Error.h"
 #include "Function.h"
 #include "Material.h"
+#include "PetscSupport.h"
 
 #include "ElementPostprocessor.h"
 #include "NodalPostprocessor.h"
@@ -2619,6 +2620,10 @@ FEProblem::init2()
 void
 FEProblem::solve()
 {
+#ifdef LIBMESH_HAVE_PETSC
+  Moose::PetscSupport::petscSetOptions(*this); // Make sure the PETSc options are setup for this app
+#endif
+
   Moose::setSolverDefaults(*this);
   Moose::perf_log.push("solve()","Solve");
 //  _solve_only_perf_log.push("solve");

test/tests/multiapps/petsc_options/master.i

@@ -0,0 +1,66 @@
+[Mesh]
+  type = GeneratedMesh
+  dim = 2
+  nx = 10
+  ny = 10
+[]
+
+[Variables]
+  [./u]
+  [../]
+[]
+
+[Kernels]
+  [./diff]
+    type = Diffusion
+    variable = u
+  [../]
+  [./td]
+    type = TimeDerivative
+    variable = u
+  [../]
+[]
+
+[BCs]
+  [./left]
+    type = DirichletBC
+    variable = u
+    boundary = left
+    value = 0
+  [../]
+  [./right]
+    type = DirichletBC
+    variable = u
+    boundary = right
+    value = 1
+  [../]
+[]
+
+[Executioner]
+  type = Transient
+  num_steps = 2
+  dt = 1
+  l_max_its = 4
+  nl_max_its = 2
+  petsc_options = '-snes_mf_operator -ksp_monitor'
+  petsc_options_iname = '-pc_type -pc_hypre_type'
+  petsc_options_value = 'hypre boomeramg'
+  l_tol = 1e-12
+[]
+
+[Output]
+  output_initial = true
+  exodus = true
+  perf_log = true
+[]
+
+[MultiApps]
+  [./sub]
+    type = TransientMultiApp
+    app_type = MooseTestApp
+    execute_on = timestep
+    positions = '0 0 0'
+    input_files = sub.i
+  [../]
+[]
+

test/tests/multiapps/petsc_options/sub.i

@@ -0,0 +1,53 @@
+[Mesh]
+  type = GeneratedMesh
+  dim = 2
+  nx = 10
+  ny = 10
+[]
+
+[Variables]
+  [./u]
+  [../]
+[]
+
+[Kernels]
+  [./diff]
+    type = Diffusion
+    variable = u
+  [../]
+  [./td]
+    type = TimeDerivative
+    variable = u
+  [../]
+[]
+
+[BCs]
+  [./left]
+    type = DirichletBC
+    variable = u
+    boundary = left
+    value = 0
+  [../]
+  [./right]
+    type = DirichletBC
+    variable = u
+    boundary = right
+    value = 1
+  [../]
+[]
+
+[Executioner]
+  type = Transient
+  num_steps = 1
+  dt = 1
+  petsc_options = '-snes_mf_operator -ksp_monitor'
+  petsc_options_iname = '-pc_type -sub_pc_type'
+  petsc_options_value = 'asm ilu'
+[]
+
+[Output]
+  output_initial = true
+  exodus = true
+  perf_log = true
+[]
+

test/tests/multiapps/petsc_options/tests

@@ -0,0 +1,8 @@
+[Tests]
+  [./test]
+    type = 'Exodiff'
+    input = 'master.i'
+    exodiff = 'master_out.e master_out_sub0.e'
+    expect_out = '8 KSP'
+  [../]
+[]