PenaltyIBMethod::PenaltyIBMethod(const std::string& object_name, Pointer<Database> input_db, bool register_for_restart)
: IBMethod(object_name, input_db, register_for_restart)
{
// NOTE: Parent class constructor registers class with the restart manager, sets object
// name.
// Initialize object with data read from the input and restart databases.
bool from_restart = RestartManager::getManager()->isFromRestart();
if (from_restart) getFromRestart();
if (input_db) getFromInput(input_db, from_restart);
return;
} // PenaltyIBMethod
KnifeFishKinematics::KnifeFishKinematics(
const std::string& object_name,
SAMRAI::tbox::Pointer<SAMRAI::tbox::Database> input_db,
IBTK::LDataManager* l_data_manager,
SAMRAI::tbox::Pointer<SAMRAI::hier::PatchHierarchy<NDIM> > patch_hierarchy,
bool register_for_restart)
: ConstraintIBKinematics(object_name,input_db,l_data_manager,register_for_restart),
d_kinematics_vel(NDIM),
d_shape(NDIM),
d_current_time(0.0)
{
// NOTE: Parent class constructor registers class with the restart manager, sets object name.
//Set the size of vectors.
const StructureParameters& struct_param = getStructureParameters();
const int coarsest_ln = struct_param.getCoarsestLevelNumber();
const int finest_ln = struct_param.getFinestLevelNumber();
TBOX_ASSERT(coarsest_ln == finest_ln);
const std::vector<std::pair<int,int> >& idx_range = struct_param.getLagIdxRange();
const int nodes_body = idx_range[0].second - idx_range[0].first;
for(int d = 0; d < NDIM; ++d)
{
d_kinematics_vel[d].resize(nodes_body);
d_shape[d].resize(nodes_body);
}
SAMRAI::tbox::Array<double> forward_swim_vel;
if(input_db->keyExists("forward_swim_vel"))
{
forward_swim_vel = input_db->getDoubleArray("forward_swim_vel");
TBOX_ASSERT( forward_swim_vel.getSize() == NDIM );
}
else
{
TBOX_ERROR(" KnifefishKinematics::KnifefishKinematics() :: Forward swimming velocity does not exist in the InputDatabase \n\n" << std::endl );
}
for (unsigned int d = 0; d < NDIM; ++d)
std::fill(d_kinematics_vel[d].begin(), d_kinematics_vel[d].end(), forward_swim_vel[d]);
bool from_restart = RestartManager::getManager()->isFromRestart();
if(from_restart)
{
getFromRestart();
}
// set current velocity using current time for initial and restarted runs.
setKnifefishSpecificVelocity(d_current_time);
return;
} //KnifeFishKinematics
IBHierarchyIntegrator::IBHierarchyIntegrator(
const std::string& object_name,
Pointer<Database> input_db,
Pointer<IBStrategy> ib_method_ops,
Pointer<INSHierarchyIntegrator> ins_hier_integrator,
bool register_for_restart)
: HierarchyIntegrator(object_name, input_db, register_for_restart)
{
#if !defined(NDEBUG)
TBOX_ASSERT(ib_method_ops);
TBOX_ASSERT(ins_hier_integrator);
#endif
// Set the IB method operations objects.
d_ib_method_ops = ib_method_ops;
d_ib_method_ops->registerIBHierarchyIntegrator(this);
// Register the fluid solver as a child integrator of this integrator object
// and reuse the variables and variable contexts of the INS solver.
d_ins_hier_integrator = ins_hier_integrator;
registerChildHierarchyIntegrator(d_ins_hier_integrator);
d_u_var = d_ins_hier_integrator->getVelocityVariable();
d_p_var = d_ins_hier_integrator->getPressureVariable();
d_f_var = d_ins_hier_integrator->getBodyForceVariable();
d_q_var = d_ins_hier_integrator->getFluidSourceVariable();
d_current_context = d_ins_hier_integrator->getCurrentContext();
d_scratch_context = d_ins_hier_integrator->getScratchContext();
d_new_context = d_ins_hier_integrator->getNewContext();
VariableDatabase<NDIM>* var_db = VariableDatabase<NDIM>::getDatabase();
d_ib_context = var_db->getContext(d_object_name + "::IB");
// Set some default values.
d_integrator_is_initialized = false;
d_time_stepping_type = MIDPOINT_RULE;
d_regrid_cfl_interval = 0.0;
d_regrid_cfl_estimate = 0.0;
d_error_on_dt_change = true;
d_warn_on_dt_change = false;
// Do not allocate a workload variable by default.
d_workload_var.setNull();
d_workload_idx = -1;
// Initialize object with data read from the input and restart databases.
bool from_restart = RestartManager::getManager()->isFromRestart();
if (from_restart) getFromRestart();
if (input_db) getFromInput(input_db, from_restart);
return;
} // IBHierarchyIntegrator
GeneralizedIBMethod::GeneralizedIBMethod(const std::string& object_name,
Pointer<Database> input_db,
bool register_for_restart)
: IBMethod(object_name, input_db, register_for_restart)
{
// NOTE: Parent class constructor registers class with the restart manager, sets object
// name.
// Initialize object with data read from the input and restart databases.
bool from_restart = RestartManager::getManager()->isFromRestart();
if (from_restart) getFromRestart();
if (input_db) getFromInput(input_db, from_restart);
// Indicate all Lagrangian data needs ghost values to be refilled, and that
// all intermediate data needs to be initialized.
d_N_current_needs_ghost_fill = true;
d_N_new_needs_ghost_fill = true;
return;
} // GeneralizedIBMethod
IBImplicitStaggeredHierarchyIntegrator::IBImplicitStaggeredHierarchyIntegrator(
const std::string& object_name,
Pointer<Database> input_db,
Pointer<IBImplicitStrategy> ib_implicit_ops,
Pointer<INSStaggeredHierarchyIntegrator> ins_hier_integrator,
bool register_for_restart)
: IBHierarchyIntegrator(object_name,
input_db,
ib_implicit_ops,
ins_hier_integrator,
register_for_restart),
d_ib_implicit_ops(ib_implicit_ops)
{
// Setup IB ops object to use "fixed" Lagrangian-Eulerian coupling
// operators.
d_ib_implicit_ops->setUseFixedLEOperators(true);
// Initialize object with data read from the input and restart databases.
bool from_restart = RestartManager::getManager()->isFromRestart();
if (from_restart) getFromRestart();
return;
} // IBImplicitStaggeredHierarchyIntegrator
MainRestartData::MainRestartData(
const string& object_name,
std::shared_ptr<tbox::Database> input_db):
d_object_name(object_name)
{
TBOX_ASSERT(input_db);
tbox::RestartManager::getManager()->registerRestartItem(d_object_name, this);
/*
* Initialize object with data read from given input/restart databases.
*/
bool is_from_restart = tbox::RestartManager::getManager()->isFromRestart();
if (is_from_restart) {
getFromRestart();
}
getFromInput(input_db, is_from_restart);
/* if not starting from restart file, set loop_time and iteration_number */
if (!is_from_restart) {
d_loop_time = d_start_time;
d_iteration_number = 0;
}
}
OscillatingCylinderKinematics::OscillatingCylinderKinematics(const std::string& object_name,
Pointer<Database> input_db,
LDataManager* l_data_manager,
Pointer<PatchHierarchy<NDIM> > /*patch_hierarchy*/,
bool register_for_restart)
: ConstraintIBKinematics(object_name, input_db, l_data_manager, register_for_restart),
d_prescribed_trans_vel(0.0),
d_current_time(0.0)
{
// NOTE: Parent class constructor registers class with the restart manager, sets object name.
// Get kinematic parameters from the input file
if (input_db->keyExists("frequency"))
{
d_freq = input_db->getDouble("frequency");
pout << "FREQUENCY ================= " << d_freq << "\n\n\n";
}
else
{
TBOX_ERROR(
" OscillatingCylinderKinematics::OscillatingCylinderKinematics() :: frequency of cylinder does not exist "
"in the InputDatabase \n\n"
<< std::endl);
}
if (input_db->keyExists("U_infinity"))
{
d_Uinf = input_db->getDouble("U_infinity");
pout << "U_INFINITY ================= " << d_Uinf << "\n\n\n";
}
else
{
TBOX_ERROR(
" OscillatingCylinderKinematics::OscillatingCylinderKinematics() :: maximum speed of cylinder does not "
"exist in the InputDatabase \n\n"
<< std::endl);
}
// Set the size of vectors.
const StructureParameters& struct_param = getStructureParameters();
const int coarsest_ln = struct_param.getCoarsestLevelNumber();
const int finest_ln = struct_param.getFinestLevelNumber();
const int total_levels = finest_ln - coarsest_ln + 1;
const std::vector<std::pair<int, int> >& idx_range = struct_param.getLagIdxRange();
if (total_levels > 1)
{
TBOX_ERROR(
" OscillatingCylinderKinematics::OscillatingCylinderKinematics() :: Total levels > 1, OscillatingCylinder "
"should be places on only one level \n\n"
<< std::endl);
}
// d_vec_coord.resize(number_lag_points);
// d_vec_amp.resize(number_lag_points);
d_new_kinematics_vel.resize(total_levels);
d_current_kinematics_vel.resize(total_levels);
for (int ln = 0; ln < total_levels; ++ln)
{
const int nodes_this_ln = idx_range[ln].second - idx_range[ln].first;
d_new_kinematics_vel[ln].resize(NDIM);
d_current_kinematics_vel[ln].resize(NDIM);
for (int d = 0; d < NDIM; ++d)
{
d_new_kinematics_vel[ln][d].resize(nodes_this_ln);
d_current_kinematics_vel[ln][d].resize(nodes_this_ln);
}
}
bool from_restart = RestartManager::getManager()->isFromRestart();
if (from_restart)
{
getFromRestart();
}
// set current velocity using current time for initial and restarted runs.
setOscillatingCylinderSpecificVelocity(d_current_time);
return;
} // OscillatingCylinderKinematics
RigidBodyKinematics::RigidBodyKinematics(const std::string& object_name,
Pointer<Database> input_db,
LDataManager* l_data_manager,
Pointer<PatchHierarchy<NDIM> > /*patch_hierarchy*/,
bool register_for_restart)
: ConstraintIBKinematics(object_name, input_db, l_data_manager, register_for_restart),
d_parser_time(0.0),
d_center_of_mass(3, 0.0),
d_incremented_angle_from_reference_axis(3, 0.0),
d_tagged_pt_position(3, 0.0)
{
// NOTE: Parent class constructor registers class with the restart manager, sets object name.
// Read-in kinematics velocity functions
for (int d = 0; d < NDIM; ++d)
{
const std::string postfix = "_function_" + std::to_string(d);
std::string key_name = "kinematics_velocity" + postfix;
if (input_db->isString(key_name))
{
d_kinematicsvel_function_strings.push_back(input_db->getString(key_name));
}
else
{
d_kinematicsvel_function_strings.push_back("0.0");
TBOX_WARNING("RigidBodyKinematics::RigidBodyKinematics() :\n"
<< " no function corresponding to key " << key_name << "found for dimension = " << d
<< "; using kinematics_vel = 0.0. " << std::endl);
}
d_kinematicsvel_parsers.push_back(new mu::Parser());
d_kinematicsvel_parsers.back()->SetExpr(d_kinematicsvel_function_strings.back());
d_all_parsers.push_back(d_kinematicsvel_parsers.back());
}
// Define constants and variables for the parsers.
for (std::vector<mu::Parser*>::const_iterator cit = d_all_parsers.begin(); cit != d_all_parsers.end(); ++cit)
{
// Various names for pi.
(*cit)->DefineConst("pi", PII);
(*cit)->DefineConst("Pi", PII);
(*cit)->DefineConst("PI", PII);
// Variables
(*cit)->DefineVar("T", &d_parser_time);
(*cit)->DefineVar("t", &d_parser_time);
for (int d = 0; d < NDIM; ++d)
{
const std::string postfix = std::to_string(d);
(*cit)->DefineVar("X" + postfix, d_parser_posn.data() + d);
(*cit)->DefineVar("x" + postfix, d_parser_posn.data() + d);
(*cit)->DefineVar("X_" + postfix, d_parser_posn.data() + d);
(*cit)->DefineVar("x_" + postfix, d_parser_posn.data() + d);
}
}
// Set the size of vectors.
const StructureParameters& struct_param = getStructureParameters();
const int coarsest_ln = struct_param.getCoarsestLevelNumber();
const int finest_ln = struct_param.getFinestLevelNumber();
const int total_levels = finest_ln - coarsest_ln + 1;
d_kinematics_vel.resize(total_levels);
const std::vector<std::pair<int, int> >& idx_range = struct_param.getLagIdxRange();
for (int ln = 0; ln < total_levels; ++ln)
{
const int nodes_this_ln = idx_range[ln].second - idx_range[ln].first;
d_kinematics_vel[ln].resize(NDIM);
for (int d = 0; d < NDIM; ++d)
{
d_kinematics_vel[ln][d].resize(nodes_this_ln);
}
}
bool from_restart = RestartManager::getManager()->isFromRestart();
if (from_restart)
{
getFromRestart();
setRigidBodySpecificVelocity(
d_current_time, d_incremented_angle_from_reference_axis, d_center_of_mass, d_tagged_pt_position);
setShape(d_current_time, d_incremented_angle_from_reference_axis);
}
return;
} // RigidBodyKinematics
CVODEModel::CVODEModel(
const string& object_name,
const Dimension& dim,
std::shared_ptr<CellPoissonFACSolver> fac_solver,
std::shared_ptr<Database> input_db,
std::shared_ptr<CartesianGridGeometry> grid_geom):
RefinePatchStrategy(),
CoarsenPatchStrategy(),
d_object_name(object_name),
d_dim(dim),
d_soln_var(new CellVariable<double>(dim, "soln", 1)),
d_FAC_solver(fac_solver),
d_grid_geometry(grid_geom)
{
/*
* set up variables and contexts
*/
VariableDatabase* variable_db = VariableDatabase::getDatabase();
d_cur_cxt = variable_db->getContext("CURRENT");
d_scr_cxt = variable_db->getContext("SCRATCH");
d_soln_cur_id = variable_db->registerVariableAndContext(d_soln_var,
d_cur_cxt,
IntVector(d_dim, 0));
d_soln_scr_id = variable_db->registerVariableAndContext(d_soln_var,
d_scr_cxt,
IntVector(d_dim, 1));
#ifdef USE_FAC_PRECONDITIONER
d_diff_var.reset(new SideVariable<double>(d_dim, "diffusion",
hier::IntVector::getOne(d_dim), 1));
d_diff_id = variable_db->registerVariableAndContext(d_diff_var,
d_cur_cxt,
IntVector(d_dim, 0));
/*
* Set default values for preconditioner.
*/
d_use_neumann_bcs = false;
d_current_soln_time = 0.;
#endif
/*
* Print solver data.
*/
d_print_solver_info = false;
/*
* Counters.
*/
d_number_rhs_eval = 0;
d_number_precond_setup = 0;
d_number_precond_solve = 0;
/*
* Boundary condition initialization.
*/
if (d_dim == Dimension(2)) {
d_scalar_bdry_edge_conds.resize(NUM_2D_EDGES);
for (int ei = 0; ei < NUM_2D_EDGES; ++ei) {
d_scalar_bdry_edge_conds[ei] = BOGUS_BDRY_DATA;
}
d_scalar_bdry_node_conds.resize(NUM_2D_NODES);
d_node_bdry_edge.resize(NUM_2D_NODES);
for (int ni = 0; ni < NUM_2D_NODES; ++ni) {
d_scalar_bdry_node_conds[ni] = BOGUS_BDRY_DATA;
d_node_bdry_edge[ni] = BOGUS_BDRY_DATA;
}
d_bdry_edge_val.resize(NUM_2D_EDGES);
MathUtilities<double>::setVectorToSignalingNaN(d_bdry_edge_val);
} else if (d_dim == Dimension(3)) {
d_scalar_bdry_face_conds.resize(NUM_3D_FACES);
for (int fi = 0; fi < NUM_3D_FACES; ++fi) {
d_scalar_bdry_face_conds[fi] = BOGUS_BDRY_DATA;
}
d_scalar_bdry_edge_conds.resize(NUM_3D_EDGES);
d_edge_bdry_face.resize(NUM_3D_EDGES);
for (int ei = 0; ei < NUM_3D_EDGES; ++ei) {
d_scalar_bdry_edge_conds[ei] = BOGUS_BDRY_DATA;
d_edge_bdry_face[ei] = BOGUS_BDRY_DATA;
}
d_scalar_bdry_node_conds.resize(NUM_3D_NODES);
d_node_bdry_face.resize(NUM_3D_NODES);
for (int ni = 0; ni < NUM_3D_NODES; ++ni) {
d_scalar_bdry_node_conds[ni] = BOGUS_BDRY_DATA;
d_node_bdry_face[ni] = BOGUS_BDRY_DATA;
}
d_bdry_face_val.resize(NUM_3D_FACES);
MathUtilities<double>::setVectorToSignalingNaN(d_bdry_face_val);
}
/*
* Initialize object with data read from given input/restart databases.
*/
bool is_from_restart = RestartManager::getManager()->isFromRestart();
if (is_from_restart) {
getFromRestart();
}
getFromInput(input_db, is_from_restart);
#ifdef USE_FAC_PRECONDITIONER
/*
* Construct outerface variable to hold boundary flags and Neumann fluxes.
*/
if (d_use_neumann_bcs) {
d_flag_var.reset(new OuterfaceVariable<int>(d_dim, "bdryflag", 1));
d_flag_id = variable_db->registerVariableAndContext(d_flag_var,
d_cur_cxt,
IntVector(d_dim, 0));
d_neuf_var.reset(new OuterfaceVariable<double>(d_dim, "neuflux", 1));
d_neuf_id = variable_db->registerVariableAndContext(d_neuf_var,
d_cur_cxt,
IntVector(d_dim, 0));
} else {
d_flag_id = -1;
d_neuf_id = -1;
}
/*
* Set boundary types for FAC preconditioner.
* bdry_types holds a flag where 0 = dirichlet, 1 = neumann
*/
if (d_dim == Dimension(2)) {
for (int i = 0; i < NUM_2D_EDGES; ++i) {
d_bdry_types[i] = 0;
if (d_scalar_bdry_edge_conds[i] == BdryCond::DIRICHLET) d_bdry_types[i] = 0;
if (d_scalar_bdry_edge_conds[i] == BdryCond::NEUMANN) d_bdry_types[i] = 1;
}
} else if (d_dim == Dimension(3)) {
for (int i = 0; i < NUM_3D_FACES; ++i) {
d_bdry_types[i] = 0;
if (d_scalar_bdry_face_conds[i] == BdryCond::DIRICHLET) d_bdry_types[i] = 0;
if (d_scalar_bdry_face_conds[i] == BdryCond::NEUMANN) d_bdry_types[i] = 1;
}
}
#endif
/*
* Postprocess boundary data from input/restart values. Note: scalar
* quantity in this problem cannot have reflective boundary conditions
* so we reset them to BdryCond::FLOW.
*/
if (d_dim == Dimension(2)) {
for (int i = 0; i < NUM_2D_EDGES; ++i) {
if (d_scalar_bdry_edge_conds[i] == BdryCond::REFLECT) {
d_scalar_bdry_edge_conds[i] = BdryCond::FLOW;
}
}
for (int i = 0; i < NUM_2D_NODES; ++i) {
if (d_scalar_bdry_node_conds[i] == BdryCond::XREFLECT) {
d_scalar_bdry_node_conds[i] = BdryCond::XFLOW;
}
if (d_scalar_bdry_node_conds[i] == BdryCond::YREFLECT) {
d_scalar_bdry_node_conds[i] = BdryCond::YFLOW;
}
if (d_scalar_bdry_node_conds[i] != BOGUS_BDRY_DATA) {
d_node_bdry_edge[i] =
CartesianBoundaryUtilities2::getEdgeLocationForNodeBdry(
i, d_scalar_bdry_node_conds[i]);
}
}
} else if (d_dim == Dimension(3)) {
for (int i = 0; i < NUM_3D_FACES; ++i) {
if (d_scalar_bdry_face_conds[i] == BdryCond::REFLECT) {
d_scalar_bdry_face_conds[i] = BdryCond::FLOW;
}
}
for (int i = 0; i < NUM_3D_EDGES; ++i) {
if (d_scalar_bdry_edge_conds[i] == BdryCond::XREFLECT) {
d_scalar_bdry_edge_conds[i] = BdryCond::XFLOW;
}
if (d_scalar_bdry_edge_conds[i] == BdryCond::YREFLECT) {
d_scalar_bdry_edge_conds[i] = BdryCond::YFLOW;
}
if (d_scalar_bdry_edge_conds[i] == BdryCond::ZREFLECT) {
d_scalar_bdry_edge_conds[i] = BdryCond::ZFLOW;
}
if (d_scalar_bdry_edge_conds[i] != BOGUS_BDRY_DATA) {
d_edge_bdry_face[i] =
CartesianBoundaryUtilities3::getFaceLocationForEdgeBdry(
i, d_scalar_bdry_edge_conds[i]);
}
}
for (int i = 0; i < NUM_3D_NODES; ++i) {
if (d_scalar_bdry_node_conds[i] == BdryCond::XREFLECT) {
d_scalar_bdry_node_conds[i] = BdryCond::XFLOW;
}
if (d_scalar_bdry_node_conds[i] == BdryCond::YREFLECT) {
d_scalar_bdry_node_conds[i] = BdryCond::YFLOW;
}
if (d_scalar_bdry_node_conds[i] == BdryCond::ZREFLECT) {
d_scalar_bdry_node_conds[i] = BdryCond::ZFLOW;
}
if (d_scalar_bdry_node_conds[i] != BOGUS_BDRY_DATA) {
d_node_bdry_face[i] =
CartesianBoundaryUtilities3::getFaceLocationForNodeBdry(
i, d_scalar_bdry_node_conds[i]);
}
}
}
}
INSHierarchyIntegrator::INSHierarchyIntegrator(const std::string& object_name,
Pointer<Database> input_db,
Pointer<Variable<NDIM> > U_var,
Pointer<Variable<NDIM> > P_var,
Pointer<Variable<NDIM> > F_var,
Pointer<Variable<NDIM> > Q_var,
bool register_for_restart)
: HierarchyIntegrator(object_name, input_db, register_for_restart), d_U_var(U_var),
d_P_var(P_var), d_F_var(F_var), d_Q_var(Q_var), d_U_init(NULL), d_P_init(NULL),
d_default_bc_coefs(d_object_name + "::default_bc_coefs", Pointer<Database>(NULL)),
d_bc_coefs(NDIM, static_cast<RobinBcCoefStrategy<NDIM>*>(NULL)),
d_traction_bc_type(TRACTION), d_F_fcn(NULL), d_Q_fcn(NULL)
{
// Set some default values.
d_integrator_is_initialized = false;
d_viscous_time_stepping_type = TRAPEZOIDAL_RULE;
d_convective_time_stepping_type = ADAMS_BASHFORTH;
d_init_convective_time_stepping_type = MIDPOINT_RULE;
d_num_cycles = 1;
d_cfl_max = 1.0;
d_using_vorticity_tagging = false;
d_Omega_max = 0.0;
d_normalize_pressure = false;
d_normalize_velocity = false;
d_convective_op_type = "DEFAULT";
d_convective_difference_form = ADVECTIVE;
d_convective_op_input_db = new MemoryDatabase(d_object_name + "::convective_op_input_db");
d_creeping_flow = false;
d_regrid_max_div_growth_factor = 1.1;
d_U_scale = 1.0;
d_P_scale = 1.0;
d_F_scale = 1.0;
d_Q_scale = 1.0;
d_Omega_scale = 1.0;
d_Div_U_scale = 1.0;
d_output_U = true;
d_output_P = true;
d_output_F = false;
d_output_Q = false;
d_output_Omega = true;
d_output_Div_U = true;
d_velocity_solver = NULL;
d_pressure_solver = NULL;
// Setup default boundary condition objects that specify homogeneous
// Dirichlet (solid-wall) boundary conditions for the velocity.
for (unsigned int d = 0; d < NDIM; ++d)
{
d_default_bc_coefs.setBoundaryValue(2 * d, 0.0);
d_default_bc_coefs.setBoundaryValue(2 * d + 1, 0.0);
}
registerPhysicalBoundaryConditions(
std::vector<RobinBcCoefStrategy<NDIM>*>(NDIM, &d_default_bc_coefs));
// Setup physical boundary conditions objects.
d_U_star_bc_coefs.resize(NDIM);
for (unsigned int d = 0; d < NDIM; ++d)
{
d_U_star_bc_coefs[d] = new INSIntermediateVelocityBcCoef(d, d_bc_coefs);
}
d_Phi_bc_coef = new INSProjectionBcCoef(d_bc_coefs);
// Initialize object with data read from the input and restart databases.
bool from_restart = RestartManager::getManager()->isFromRestart();
if (from_restart) getFromRestart();
if (input_db) getFromInput(input_db, from_restart);
// Initialize an advection velocity variable. NOTE: Patch data are
// allocated for this variable only when an advection-diffusion solver is
// registered with the INSHierarchyIntegrator.
d_U_adv_diff_var = new FaceVariable<NDIM, double>(d_object_name + "::U_adv_diff");
return;
} // INSHierarchyIntegrator