GRINS-0.6.0
Public Member Functions | Public Attributes | Protected Attributes | Static Protected Attributes | Private Member Functions | List of all members
GRINS::SpalartAllmarasStabilizationBase< Viscosity > Class Template Reference

#include <spalart_allmaras_stab_base.h>

Inheritance diagram for GRINS::SpalartAllmarasStabilizationBase< Viscosity >:
Inheritance graph
[legend]
Collaboration diagram for GRINS::SpalartAllmarasStabilizationBase< Viscosity >:
Collaboration graph
[legend]

Public Member Functions

 SpalartAllmarasStabilizationBase (const GRINS::PhysicsName &physics_name, const GetPot &input)
 
virtual ~SpalartAllmarasStabilizationBase ()
 
virtual void init_context (AssemblyContext &context)
 Initialize context for added physics variables. More...
 
virtual void init_variables (libMesh::FEMSystem *system)
 Initialize variables for this physics. More...
 
virtual void set_time_evolving_vars (libMesh::FEMSystem *system)
 Sets velocity variables to be time-evolving. More...
 
virtual void element_time_derivative (bool compute_jacobian, AssemblyContext &context, CachedValues &)
 Time dependent part(s) of physics for element interiors. More...
 
virtual void mass_residual (bool compute_jacobian, AssemblyContext &context, CachedValues &cache)
 Mass matrix part(s) for element interiors. All boundary terms lie within the time_derivative part. More...
 
virtual void read_input_options (const GetPot &input)
 Read options from GetPot input file. By default, nothing is read. More...
 
virtual bool enabled_on_elem (const libMesh::Elem *elem)
 Find if current physics is active on supplied element. More...
 
void set_is_steady (bool is_steady)
 Sets whether this physics is to be solved with a steady solver or not. More...
 
bool is_steady () const
 Returns whether or not this physics is being solved with a steady solver. More...
 
virtual void auxiliary_init (MultiphysicsSystem &system)
 Any auxillary initialization a Physics class may need. More...
 
virtual void register_postprocessing_vars (const GetPot &input, PostProcessedQuantities< libMesh::Real > &postprocessing)
 Register name of postprocessed quantity with PostProcessedQuantities. More...
 
virtual void side_time_derivative (bool compute_jacobian, AssemblyContext &context, CachedValues &cache)
 Time dependent part(s) of physics for boundaries of elements on the domain boundary. More...
 
virtual void nonlocal_time_derivative (bool compute_jacobian, AssemblyContext &context, CachedValues &cache)
 Time dependent part(s) of physics for scalar variables. More...
 
virtual void element_constraint (bool compute_jacobian, AssemblyContext &context, CachedValues &cache)
 Constraint part(s) of physics for element interiors. More...
 
virtual void side_constraint (bool compute_jacobian, AssemblyContext &context, CachedValues &cache)
 Constraint part(s) of physics for boundaries of elements on the domain boundary. More...
 
virtual void nonlocal_constraint (bool compute_jacobian, AssemblyContext &context, CachedValues &cache)
 Constraint part(s) of physics for scalar variables. More...
 
virtual void nonlocal_mass_residual (bool compute_jacobian, AssemblyContext &context, CachedValues &cache)
 Mass matrix part(s) for scalar variables. More...
 
void init_bcs (libMesh::FEMSystem *system)
 
void init_ics (libMesh::FEMSystem *system, libMesh::CompositeFunction< libMesh::Number > &all_ics)
 
void attach_neumann_bound_func (GRINS::NBCContainer &neumann_bcs)
 
void attach_dirichlet_bound_func (const GRINS::DBCContainer &dirichlet_bc)
 
virtual void compute_element_time_derivative_cache (const AssemblyContext &context, CachedValues &cache)
 
virtual void compute_side_time_derivative_cache (const AssemblyContext &context, CachedValues &cache)
 
virtual void compute_nonlocal_time_derivative_cache (const AssemblyContext &context, CachedValues &cache)
 
virtual void compute_element_constraint_cache (const AssemblyContext &context, CachedValues &cache)
 
virtual void compute_side_constraint_cache (const AssemblyContext &context, CachedValues &cache)
 
virtual void compute_nonlocal_constraint_cache (const AssemblyContext &context, CachedValues &cache)
 
virtual void compute_mass_residual_cache (const AssemblyContext &context, CachedValues &cache)
 
virtual void compute_nonlocal_mass_residual_cache (const AssemblyContext &context, CachedValues &cache)
 
virtual void compute_postprocessed_quantity (unsigned int quantity_index, const AssemblyContext &context, const libMesh::Point &point, libMesh::Real &value)
 
BCHandlingBaseget_bc_handler ()
 
ICHandlingBaseget_ic_handler ()
 
virtual void set_parameter (libMesh::Number &param_variable, const GetPot &input, const std::string &param_name, libMesh::Number param_default)
 Each subclass can simultaneously read a parameter value from. More...
 
virtual void register_parameter (const std::string &param_name, libMesh::ParameterMultiPointer< libMesh::Number > &param_pointer) const
 Each subclass will register its copy of an independent. More...
 

Public Attributes

libMesh::AutoPtr< DistanceFunctiondistance_function
 
libMesh::AutoPtr< libMesh::SerialMesh > boundary_mesh
 

Protected Attributes

SpalartAllmarasStabilizationHelper _stab_helper
 
PrimitiveFlowFEVariables _flow_vars
 
TurbulenceFEVariables _turbulence_vars
 
SpalartAllmarasHelper _spalart_allmaras_helper
 
SpalartAllmarasParameters _sa_params
 Object handling the plethora of parameters. More...
 
std::set< libMesh::boundary_id_type > _wall_ids
 
unsigned int _no_of_walls
 
unsigned int _dim
 Physical dimension of problem. More...
 
libMesh::Number _rho
 Material parameters, read from input. More...
 
Viscosity _mu
 Viscosity object. More...
 
const PhysicsName _physics_name
 Name of the physics object. Used for reading physics specific inputs. More...
 
GRINS::BCHandlingBase_bc_handler
 
GRINS::ICHandlingBase_ic_handler
 
std::set< libMesh::subdomain_id_type > _enabled_subdomains
 Subdomains on which the current Physics class is enabled. More...
 
bool _is_axisymmetric
 

Static Protected Attributes

static bool _is_steady = false
 Caches whether or not the solver that's being used is steady or not. More...
 

Private Member Functions

 SpalartAllmarasStabilizationBase ()
 

Detailed Description

template<class Viscosity>
class GRINS::SpalartAllmarasStabilizationBase< Viscosity >

Definition at line 36 of file spalart_allmaras_stab_base.h.

Constructor & Destructor Documentation

template<class Mu >
GRINS::SpalartAllmarasStabilizationBase< Mu >::SpalartAllmarasStabilizationBase ( const GRINS::PhysicsName physics_name,
const GetPot &  input 
)

Definition at line 40 of file spalart_allmaras_stab_base.C.

42  : SpalartAllmaras<Mu>(physics_name,input),
43  _stab_helper( physics_name+"StabHelper", input )
44  {
45  return;
46  }
SpalartAllmarasStabilizationHelper _stab_helper

Definition at line 49 of file spalart_allmaras_stab_base.C.

50  {
51  return;
52  }
template<class Viscosity >
GRINS::SpalartAllmarasStabilizationBase< Viscosity >::SpalartAllmarasStabilizationBase ( )
private

Member Function Documentation

void GRINS::Physics::attach_dirichlet_bound_func ( const GRINS::DBCContainer dirichlet_bc)
inherited

Definition at line 150 of file physics.C.

References GRINS::Physics::_bc_handler, and GRINS::BCHandlingBase::attach_dirichlet_bound_func().

151  {
152  _bc_handler->attach_dirichlet_bound_func( dirichlet_bc );
153  return;
154  }
GRINS::BCHandlingBase * _bc_handler
Definition: physics.h:256
void attach_dirichlet_bound_func(const GRINS::DBCContainer &dirichlet_bc)
void GRINS::Physics::attach_neumann_bound_func ( GRINS::NBCContainer neumann_bcs)
inherited

Definition at line 144 of file physics.C.

References GRINS::Physics::_bc_handler, and GRINS::BCHandlingBase::attach_neumann_bound_func().

145  {
146  _bc_handler->attach_neumann_bound_func( neumann_bcs );
147  return;
148  }
GRINS::BCHandlingBase * _bc_handler
Definition: physics.h:256
void attach_neumann_bound_func(GRINS::NBCContainer &neumann_bcs)
void GRINS::Physics::auxiliary_init ( MultiphysicsSystem system)
virtualinherited

Any auxillary initialization a Physics class may need.

This is called after all variables are added, so this method can safely query the MultiphysicsSystem about variable information.

Definition at line 113 of file physics.C.

114  {
115  return;
116  }
void GRINS::Physics::compute_element_constraint_cache ( const AssemblyContext context,
CachedValues cache 
)
virtualinherited

Definition at line 185 of file physics.C.

Referenced by GRINS::MultiphysicsSystem::element_constraint().

187  {
188  return;
189  }
void GRINS::Physics::compute_element_time_derivative_cache ( const AssemblyContext context,
CachedValues cache 
)
virtualinherited
void GRINS::Physics::compute_mass_residual_cache ( const AssemblyContext context,
CachedValues cache 
)
virtualinherited

Definition at line 203 of file physics.C.

Referenced by GRINS::MultiphysicsSystem::mass_residual().

205  {
206  return;
207  }
void GRINS::Physics::compute_nonlocal_constraint_cache ( const AssemblyContext context,
CachedValues cache 
)
virtualinherited

Definition at line 197 of file physics.C.

Referenced by GRINS::MultiphysicsSystem::nonlocal_constraint().

199  {
200  return;
201  }
void GRINS::Physics::compute_nonlocal_mass_residual_cache ( const AssemblyContext context,
CachedValues cache 
)
virtualinherited

Definition at line 209 of file physics.C.

Referenced by GRINS::MultiphysicsSystem::nonlocal_mass_residual().

211  {
212  return;
213  }
void GRINS::Physics::compute_nonlocal_time_derivative_cache ( const AssemblyContext context,
CachedValues cache 
)
virtualinherited

Definition at line 179 of file physics.C.

Referenced by GRINS::MultiphysicsSystem::nonlocal_time_derivative().

181  {
182  return;
183  }
void GRINS::Physics::compute_postprocessed_quantity ( unsigned int  quantity_index,
const AssemblyContext context,
const libMesh::Point &  point,
libMesh::Real &  value 
)
virtualinherited
void GRINS::Physics::compute_side_constraint_cache ( const AssemblyContext context,
CachedValues cache 
)
virtualinherited

Definition at line 191 of file physics.C.

Referenced by GRINS::MultiphysicsSystem::side_constraint().

193  {
194  return;
195  }
void GRINS::Physics::compute_side_time_derivative_cache ( const AssemblyContext context,
CachedValues cache 
)
virtualinherited

Reimplemented in GRINS::ReactingLowMachNavierStokes< Mixture, Evaluator >.

Definition at line 173 of file physics.C.

Referenced by GRINS::MultiphysicsSystem::side_time_derivative().

175  {
176  return;
177  }
void GRINS::Physics::element_constraint ( bool  compute_jacobian,
AssemblyContext context,
CachedValues cache 
)
virtualinherited
template<class Mu >
void GRINS::SpalartAllmaras< Mu >::element_time_derivative ( bool  compute_jacobian,
AssemblyContext context,
CachedValues cache 
)
virtualinherited

Time dependent part(s) of physics for element interiors.

Reimplemented from GRINS::Physics.

Reimplemented in GRINS::SpalartAllmarasSPGSMStabilization< Viscosity >.

Definition at line 144 of file spalart_allmaras.C.

147  {
148 #ifdef GRINS_USE_GRVY_TIMERS
149  this->_timer->BeginTimer("SpalartAllmaras::element_time_derivative");
150 #endif
151 
152  // Get a pointer to the current element, we need this for computing
153  // the distance to wall for the quadrature points
154  libMesh::Elem &elem_pointer = context.get_elem();
155 
156  // We get some references to cell-specific data that
157  // will be used to assemble the linear system.
158 
159  // Element Jacobian * quadrature weights for interior integration.
160  const std::vector<libMesh::Real> &JxW =
161  context.get_element_fe(this->_turbulence_vars.nu_var())->get_JxW();
162 
163  // The viscosity shape functions at interior quadrature points.
164  const std::vector<std::vector<libMesh::Real> >& nu_phi =
165  context.get_element_fe(this->_turbulence_vars.nu_var())->get_phi();
166 
167  // The viscosity shape function gradients (in global coords.)
168  // at interior quadrature points.
169  const std::vector<std::vector<libMesh::RealGradient> >& nu_gradphi =
170  context.get_element_fe(this->_turbulence_vars.nu_var())->get_dphi();
171 
172  // The number of local degrees of freedom in each variable.
173  const unsigned int n_nu_dofs = context.get_dof_indices(this->_turbulence_vars.nu_var()).size();
174 
175  // The subvectors and submatrices we need to fill:
176  //
177  // K_{\alpha \beta} = R_{\alpha},{\beta} = \partial{ R_{\alpha} } / \partial{ {\beta} } (where R denotes residual)
178  // e.g., for \alpha = v and \beta = u we get: K{vu} = R_{v},{u}
179  // Note that Kpu, Kpv, Kpw and Fp comes as constraint.
180 
181  //libMesh::DenseSubMatrix<libMesh::Number> &Knunu = context.get_elem_jacobian(this->_turbulence_vars.nu_var(), this->_turbulence_vars.nu_var()); // R_{nu},{nu}
182 
183  libMesh::DenseSubVector<libMesh::Number> &Fnu = context.get_elem_residual(this->_turbulence_vars.nu_var()); // R_{nu}
184 
185  // Now we will build the element Jacobian and residual.
186  // Constructing the residual requires the solution and its
187  // gradient from the previous timestep. This must be
188  // calculated at each quadrature point by summing the
189  // solution degree-of-freedom values by the appropriate
190  // weight functions.
191  unsigned int n_qpoints = context.get_element_qrule().n_points();
192 
193  // Auto pointer to distance fcn evaluated at quad points
194  libMesh::AutoPtr< libMesh::DenseVector<libMesh::Real> > distance_qp;
195 
196  // Fill the vector of distances to quadrature points
197  distance_qp = this->distance_function->interpolate(&elem_pointer, context.get_element_qrule().get_points());
198 
199  for (unsigned int qp=0; qp != n_qpoints; qp++)
200  {
201  // Compute the solution & its gradient at the old Newton iterate.
202  libMesh::Number nu;
203  nu = context.interior_value(this->_turbulence_vars.nu_var(), qp);
204 
205  libMesh::Gradient grad_nu;
206  grad_nu = context.interior_gradient(this->_turbulence_vars.nu_var(), qp);
207 
208  libMesh::Real jac = JxW[qp];
209 
210  // The physical viscosity
211  libMesh::Real mu_qp = this->_mu(context, qp);
212 
213  // The vorticity value
214  libMesh::Real vorticity_value_qp = this->_spalart_allmaras_helper.vorticity(context, qp);
215 
216  // The flow velocity
217  libMesh::Number u,v;
218  u = context.interior_value(this->_flow_vars.u_var(), qp);
219  v = context.interior_value(this->_flow_vars.v_var(), qp);
220 
221  libMesh::NumberVectorValue U(u,v);
222  if (this->_dim == 3)
223  U(2) = context.interior_value(this->_flow_vars.w_var(), qp);
224 
225  //The source term
226  libMesh::Real S_tilde = this->_sa_params.source_fn(nu, mu_qp, (*distance_qp)(qp), vorticity_value_qp);
227 
228  // The ft2 function needed for the negative S-A model
229  libMesh::Real chi = nu/mu_qp;
230  libMesh::Real f_t2 = this->_sa_params.get_c_t3()*exp(-this->_sa_params.get_c_t4()*chi*chi);
231 
232  libMesh::Real source_term = ((*distance_qp)(qp)==0.0)?1.0:this->_sa_params.get_cb1()*(1 - f_t2)*S_tilde*nu;
233  // For a negative turbulent viscosity nu < 0.0 we need to use a different production function
234  if(nu < 0.0)
235  {
236  source_term = this->_sa_params.get_cb1()*(1 - this->_sa_params.get_c_t3())*vorticity_value_qp*nu;
237  }
238 
239  // The wall destruction term
240  libMesh::Real fw = this->_sa_params.destruction_fn(nu, (*distance_qp)(qp), S_tilde);
241 
242  libMesh::Real nud = nu/(*distance_qp)(qp);
243  libMesh::Real nud2 = nud*nud;
244  libMesh::Real kappa2 = (this->_sa_params.get_kappa())*(this->_sa_params.get_kappa());
245  libMesh::Real destruction_term = ((*distance_qp)(qp)==0.0)?1.0:(this->_sa_params.get_cw1()*fw - (this->_sa_params.get_cb1()/kappa2)*f_t2)*nud2;
246 
247  // For a negative turbulent viscosity nu < 0.0 we need to use a different production function
248  if(nu < 0.0)
249  {
250  destruction_term = -this->_sa_params.get_cw1()*nud2;
251  }
252 
253  libMesh::Real fn1 = 1.0;
254  // For a negative turbulent viscosity, fn1 needs to be calculated
255  if(nu < 0.0)
256  {
257  libMesh::Real chi3 = chi*chi*chi;
258  fn1 = (this->_sa_params.get_c_n1() + chi3)/(this->_sa_params.get_c_n1() - chi3);
259  }
260 
261  // First, an i-loop over the viscosity degrees of freedom.
262  for (unsigned int i=0; i != n_nu_dofs; i++)
263  {
264  Fnu(i) += jac *
265  ( -this->_rho*(U*grad_nu)*nu_phi[i][qp] // convection term (assumes incompressibility)
266  +source_term*nu_phi[i][qp] // source term
267  + (1./this->_sa_params.get_sigma())*(-(mu_qp+(fn1*nu))*grad_nu*nu_gradphi[i][qp] + this->_sa_params.get_cb2()*grad_nu*grad_nu*nu_phi[i][qp]) // diffusion term
268  - destruction_term*nu_phi[i][qp]); // destruction term
269 
270  // Compute the jacobian if not using numerical jacobians
271  if (compute_jacobian)
272  {
273  libmesh_not_implemented();
274  } // end - if (compute_jacobian)
275 
276  } // end of the outer dof (i) loop
277  } // end of the quadrature point (qp) loop
278 
279 #ifdef GRINS_USE_GRVY_TIMERS
280  this->_timer->EndTimer("SpalartAllmaras::element_time_derivative");
281 #endif
282 
283  return;
284  }
VariableIndex nu_var() const
libMesh::Real source_fn(libMesh::Number nu, libMesh::Real mu, libMesh::Real wall_distance, libMesh::Real vorticity_value) const
unsigned int _dim
Physical dimension of problem.
libMesh::Real destruction_fn(libMesh::Number nu, libMesh::Real wall_distance, libMesh::Real S_tilde) const
libMesh::AutoPtr< DistanceFunction > distance_function
SpalartAllmarasParameters _sa_params
Object handling the plethora of parameters.
Viscosity _mu
Viscosity object.
SpalartAllmarasHelper _spalart_allmaras_helper
TurbulenceFEVariables _turbulence_vars
libMesh::Real vorticity(AssemblyContext &context, unsigned int qp) const
libMesh::Number _rho
Material parameters, read from input.
PrimitiveFlowFEVariables _flow_vars
bool GRINS::Physics::enabled_on_elem ( const libMesh::Elem *  elem)
virtualinherited

Find if current physics is active on supplied element.

Definition at line 83 of file physics.C.

References GRINS::Physics::_enabled_subdomains.

84  {
85  // Check if enabled_subdomains flag has been set and if we're
86  // looking at a real element (rather than a nonlocal evaluation)
87  if( !elem || _enabled_subdomains.empty() )
88  return true;
89 
90  // Check if current physics is enabled on elem
91  if( _enabled_subdomains.find( elem->subdomain_id() ) == _enabled_subdomains.end() )
92  return false;
93 
94  return true;
95  }
std::set< libMesh::subdomain_id_type > _enabled_subdomains
Subdomains on which the current Physics class is enabled.
Definition: physics.h:261
BCHandlingBase * GRINS::Physics::get_bc_handler ( )
inlineinherited

Definition at line 282 of file physics.h.

References GRINS::Physics::_bc_handler.

283  {
284  return _bc_handler;
285  }
GRINS::BCHandlingBase * _bc_handler
Definition: physics.h:256
ICHandlingBase * GRINS::Physics::get_ic_handler ( )
inlineinherited

Definition at line 288 of file physics.h.

References GRINS::Physics::_ic_handler.

289  {
290  return _ic_handler;
291  }
GRINS::ICHandlingBase * _ic_handler
Definition: physics.h:258
void GRINS::Physics::init_bcs ( libMesh::FEMSystem *  system)
inherited

Definition at line 118 of file physics.C.

References GRINS::Physics::_bc_handler, GRINS::BCHandlingBase::init_bc_data(), GRINS::BCHandlingBase::init_dirichlet_bc_func_objs(), GRINS::BCHandlingBase::init_dirichlet_bcs(), and GRINS::BCHandlingBase::init_periodic_bcs().

119  {
120  // Only need to init BC's if the physics actually created a handler
121  if( _bc_handler )
122  {
123  _bc_handler->init_bc_data( *system );
124  _bc_handler->init_dirichlet_bcs( system );
126  _bc_handler->init_periodic_bcs( system );
127  }
128 
129  return;
130  }
GRINS::BCHandlingBase * _bc_handler
Definition: physics.h:256
virtual void init_dirichlet_bcs(libMesh::FEMSystem *system) const
virtual void init_periodic_bcs(libMesh::FEMSystem *system) const
virtual void init_dirichlet_bc_func_objs(libMesh::FEMSystem *system) const
virtual void init_bc_data(const libMesh::FEMSystem &system)
Override this method to initialize any system-dependent data.
template<class Mu >
void GRINS::SpalartAllmarasStabilizationBase< Mu >::init_context ( AssemblyContext context)
virtual

Initialize context for added physics variables.

Reimplemented from GRINS::SpalartAllmaras< Viscosity >.

Definition at line 55 of file spalart_allmaras_stab_base.C.

References GRINS::SpalartAllmaras< Viscosity >::init_context().

56  {
57  // First call base class
59 
60  // We also need second derivatives, so initialize those.
61  context.get_element_fe(this->_turbulence_vars.nu_var())->get_d2phi();
62 
63  return;
64  }
virtual void init_context(AssemblyContext &context)
Initialize context for added physics variables.
VariableIndex nu_var() const
TurbulenceFEVariables _turbulence_vars
void GRINS::Physics::init_ics ( libMesh::FEMSystem *  system,
libMesh::CompositeFunction< libMesh::Number > &  all_ics 
)
inherited

Definition at line 133 of file physics.C.

References GRINS::Physics::_ic_handler, and GRINS::ICHandlingBase::init_ic_data().

135  {
136  if( _ic_handler )
137  {
138  _ic_handler->init_ic_data( *system, all_ics );
139  }
140 
141  return;
142  }
GRINS::ICHandlingBase * _ic_handler
Definition: physics.h:258
virtual void init_ic_data(const libMesh::FEMSystem &system, libMesh::CompositeFunction< libMesh::Number > &all_ics)
Override this method to initialize any system-dependent data.
template<class Mu >
void GRINS::SpalartAllmarasStabilizationBase< Mu >::init_variables ( libMesh::FEMSystem *  system)
virtual

Initialize variables for this physics.

Reimplemented from GRINS::SpalartAllmaras< Viscosity >.

Reimplemented in GRINS::SpalartAllmarasSPGSMStabilization< Viscosity >.

Definition at line 67 of file spalart_allmaras_stab_base.C.

References GRINS::SpalartAllmaras< Viscosity >::init_variables().

Referenced by GRINS::SpalartAllmarasSPGSMStabilization< Viscosity >::init_variables().

68  {
69  // First call base class
71 
72  _stab_helper.init(*system);
73 
74  return;
75  }
virtual void init_variables(libMesh::FEMSystem *system)
Initialize variables for this physics.
SpalartAllmarasStabilizationHelper _stab_helper
bool GRINS::Physics::is_steady ( ) const
inherited

Returns whether or not this physics is being solved with a steady solver.

Definition at line 103 of file physics.C.

References GRINS::Physics::_is_steady.

Referenced by GRINS::Physics::set_is_steady().

104  {
105  return _is_steady;
106  }
static bool _is_steady
Caches whether or not the solver that's being used is steady or not.
Definition: physics.h:266
template<class K >
void GRINS::SpalartAllmaras< K >::mass_residual ( bool  compute_jacobian,
AssemblyContext context,
CachedValues cache 
)
virtualinherited

Mass matrix part(s) for element interiors. All boundary terms lie within the time_derivative part.

Reimplemented from GRINS::Physics.

Reimplemented in GRINS::SpalartAllmarasSPGSMStabilization< Viscosity >.

Definition at line 287 of file spalart_allmaras.C.

290  {
291 #ifdef GRINS_USE_GRVY_TIMERS
292  this->_timer->BeginTimer("SpalartAllmaras::mass_residual");
293 #endif
294 
295  // First we get some references to cell-specific data that
296  // will be used to assemble the linear system.
297 
298  // Element Jacobian * quadrature weights for interior integration.
299  const std::vector<libMesh::Real> &JxW =
300  context.get_element_fe(this->_turbulence_vars.nu_var())->get_JxW();
301 
302  // The viscosity shape functions at interior quadrature points.
303  const std::vector<std::vector<libMesh::Real> >& nu_phi =
304  context.get_element_fe(this->_turbulence_vars.nu_var())->get_phi();
305 
306  // The number of local degrees of freedom in each variable.
307  const unsigned int n_nu_dofs = context.get_dof_indices(this->_turbulence_vars.nu_var()).size();
308 
309  // The subvectors and submatrices we need to fill:
310  libMesh::DenseSubVector<libMesh::Real> &F = context.get_elem_residual(this->_turbulence_vars.nu_var());
311 
312  //libMesh::DenseSubMatrix<libMesh::Real> &M = context.get_elem_jacobian(this->_turbulence_vars.nu_var(), this->_turbulence_vars.nu_var());
313 
314  unsigned int n_qpoints = context.get_element_qrule().n_points();
315 
316  for (unsigned int qp = 0; qp != n_qpoints; ++qp)
317  {
318  // For the mass residual, we need to be a little careful.
319  // The time integrator is handling the time-discretization
320  // for us so we need to supply M(u_fixed)*u' for the residual.
321  // u_fixed will be given by the fixed_interior_value function
322  // while u' will be given by the interior_rate function.
323  libMesh::Real nu_dot;
324  context.interior_rate(this->_turbulence_vars.nu_var(), qp, nu_dot);
325 
326  for (unsigned int i = 0; i != n_nu_dofs; ++i)
327  {
328  F(i) += -JxW[qp]*this->_rho*nu_dot*nu_phi[i][qp];
329 
330  if( compute_jacobian )
331  {
332  libmesh_not_implemented();
333  }// End of check on Jacobian
334 
335  } // End of element dof loop
336 
337  } // End of the quadrature point loop
338 
339 #ifdef GRINS_USE_GRVY_TIMERS
340  this->_timer->EndTimer("SpalartAllmaras::mass_residual");
341 #endif
342 
343  return;
344  }
VariableIndex nu_var() const
TurbulenceFEVariables _turbulence_vars
libMesh::Number _rho
Material parameters, read from input.
void GRINS::Physics::nonlocal_constraint ( bool  compute_jacobian,
AssemblyContext context,
CachedValues cache 
)
virtualinherited

Constraint part(s) of physics for scalar variables.

Reimplemented in GRINS::ScalarODE.

Definition at line 250 of file physics.C.

Referenced by GRINS::MultiphysicsSystem::nonlocal_constraint().

253  {
254  return;
255  }
void GRINS::Physics::nonlocal_mass_residual ( bool  compute_jacobian,
AssemblyContext context,
CachedValues cache 
)
virtualinherited

Mass matrix part(s) for scalar variables.

Reimplemented in GRINS::ScalarODE, and GRINS::AveragedTurbine< Viscosity >.

Definition at line 264 of file physics.C.

Referenced by GRINS::MultiphysicsSystem::nonlocal_mass_residual().

267  {
268  return;
269  }
void GRINS::Physics::nonlocal_time_derivative ( bool  compute_jacobian,
AssemblyContext context,
CachedValues cache 
)
virtualinherited

Time dependent part(s) of physics for scalar variables.

Reimplemented in GRINS::AveragedTurbine< Viscosity >, and GRINS::ScalarODE.

Definition at line 229 of file physics.C.

Referenced by GRINS::MultiphysicsSystem::nonlocal_time_derivative().

232  {
233  return;
234  }
void GRINS::Physics::read_input_options ( const GetPot &  input)
virtualinherited

Read options from GetPot input file. By default, nothing is read.

Reimplemented in GRINS::ScalarODE, GRINS::AveragedTurbineBase< Viscosity >, GRINS::AxisymmetricBoussinesqBuoyancy, GRINS::LowMachNavierStokesBase< Viscosity, SpecificHeat, ThermalConductivity >, GRINS::AxisymmetricHeatTransfer< Conductivity >, GRINS::AveragedFanBase< Viscosity >, GRINS::ParsedVelocitySourceBase< Viscosity >, GRINS::VelocityDragBase< Viscosity >, GRINS::VelocityPenaltyBase< Viscosity >, GRINS::IncompressibleNavierStokes< Viscosity >, GRINS::LowMachNavierStokes< Viscosity, SpecificHeat, ThermalConductivity >, GRINS::HeatTransfer< Conductivity >, GRINS::ReactingLowMachNavierStokesBase< Mixture, Evaluator >, and GRINS::ReactingLowMachNavierStokes< Mixture, Evaluator >.

Definition at line 70 of file physics.C.

References GRINS::Physics::_enabled_subdomains, and GRINS::Physics::_physics_name.

Referenced by GRINS::HeatTransferBase< Conductivity >::HeatTransferBase(), GRINS::HeatTransferStabilizationBase< Conductivity >::HeatTransferStabilizationBase(), GRINS::IncompressibleNavierStokesAdjointStabilization< Viscosity >::IncompressibleNavierStokesAdjointStabilization(), GRINS::IncompressibleNavierStokesSPGSMStabilization< Viscosity >::IncompressibleNavierStokesSPGSMStabilization(), GRINS::Physics::Physics(), and GRINS::SpalartAllmarasSPGSMStabilization< Viscosity >::SpalartAllmarasSPGSMStabilization().

71  {
72  int num_ids = input.vector_variable_size( "Physics/"+this->_physics_name+"/enabled_subdomains" );
73 
74  for( int i = 0; i < num_ids; i++ )
75  {
76  libMesh::subdomain_id_type dumvar = input( "Physics/"+this->_physics_name+"/enabled_subdomains", -1, i );
77  _enabled_subdomains.insert( dumvar );
78  }
79 
80  return;
81  }
const PhysicsName _physics_name
Name of the physics object. Used for reading physics specific inputs.
Definition: physics.h:254
std::set< libMesh::subdomain_id_type > _enabled_subdomains
Subdomains on which the current Physics class is enabled.
Definition: physics.h:261
void GRINS::ParameterUser::register_parameter ( const std::string &  param_name,
libMesh::ParameterMultiPointer< libMesh::Number > &  param_pointer 
) const
virtualinherited

Each subclass will register its copy of an independent.

Reimplemented in GRINS::AxisymmetricHeatTransfer< Conductivity >, GRINS::LowMachNavierStokesBase< Viscosity, SpecificHeat, ThermalConductivity >, GRINS::IncompressibleNavierStokesBase< Viscosity >, GRINS::BoussinesqBuoyancySPGSMStabilization< Viscosity >, GRINS::HeatConduction< Conductivity >, GRINS::HeatTransferBase< Conductivity >, and GRINS::BoussinesqBuoyancyAdjointStabilization< Viscosity >.

Definition at line 50 of file parameter_user.C.

Referenced by GRINS::BoussinesqBuoyancyAdjointStabilization< Viscosity >::register_parameter(), GRINS::HeatTransferBase< Conductivity >::register_parameter(), GRINS::HeatConduction< Conductivity >::register_parameter(), GRINS::BoussinesqBuoyancySPGSMStabilization< Viscosity >::register_parameter(), GRINS::IncompressibleNavierStokesBase< Viscosity >::register_parameter(), GRINS::LowMachNavierStokesBase< Viscosity, SpecificHeat, ThermalConductivity >::register_parameter(), and GRINS::AxisymmetricHeatTransfer< Conductivity >::register_parameter().

53  {
54  std::map<std::string, libMesh::Number*>::const_iterator it =
55  _my_parameters.find(param_name);
56 
57  if (it != _my_parameters.end())
58  {
59  std::cout << _my_name << " uses parameter " << param_name
60  << std::endl;
61  param_pointer.push_back(it->second);
62  }
63  }
std::map< std::string, libMesh::Number * > _my_parameters
void GRINS::Physics::register_postprocessing_vars ( const GetPot &  input,
PostProcessedQuantities< libMesh::Real > &  postprocessing 
)
virtualinherited

Register name of postprocessed quantity with PostProcessedQuantities.

Each Physics class will need to cache an unsigned int corresponding to each postprocessed quantity. This will be used in computing the values and putting them in the CachedVariables object.

Reimplemented in GRINS::ParsedVelocitySource< Viscosity >, GRINS::VelocityPenalty< Viscosity >, GRINS::IncompressibleNavierStokes< Viscosity >, GRINS::LowMachNavierStokes< Viscosity, SpecificHeat, ThermalConductivity >, GRINS::HeatTransfer< Conductivity >, GRINS::ElasticCable< StressStrainLaw >, GRINS::ElasticMembrane< StressStrainLaw >, and GRINS::ReactingLowMachNavierStokes< Mixture, Evaluator >.

Definition at line 161 of file physics.C.

163  {
164  return;
165  }
void GRINS::Physics::set_is_steady ( bool  is_steady)
inherited

Sets whether this physics is to be solved with a steady solver or not.

Since the member variable is static, only needs to be called on a single physics.

Definition at line 97 of file physics.C.

References GRINS::Physics::_is_steady, and GRINS::Physics::is_steady().

98  {
100  return;
101  }
bool is_steady() const
Returns whether or not this physics is being solved with a steady solver.
Definition: physics.C:103
static bool _is_steady
Caches whether or not the solver that's being used is steady or not.
Definition: physics.h:266
void GRINS::ParameterUser::set_parameter ( libMesh::Number &  param_variable,
const GetPot &  input,
const std::string &  param_name,
libMesh::Number  param_default 
)
virtualinherited

Each subclass can simultaneously read a parameter value from.

Definition at line 35 of file parameter_user.C.

References GRINS::ParameterUser::_my_name, and GRINS::ParameterUser::_my_parameters.

Referenced by GRINS::AveragedFanAdjointStabilization< Viscosity >::AveragedFanAdjointStabilization(), GRINS::AveragedTurbineAdjointStabilization< Viscosity >::AveragedTurbineAdjointStabilization(), GRINS::BoussinesqBuoyancyAdjointStabilization< Viscosity >::BoussinesqBuoyancyAdjointStabilization(), GRINS::BoussinesqBuoyancyBase::BoussinesqBuoyancyBase(), GRINS::BoussinesqBuoyancySPGSMStabilization< Viscosity >::BoussinesqBuoyancySPGSMStabilization(), GRINS::ConstantConductivity::ConstantConductivity(), GRINS::ConstantPrandtlConductivity::ConstantPrandtlConductivity(), GRINS::ConstantSourceFunction::ConstantSourceFunction(), GRINS::ConstantSourceTerm::ConstantSourceTerm(), GRINS::ConstantSpecificHeat::ConstantSpecificHeat(), GRINS::ConstantViscosity::ConstantViscosity(), GRINS::ElasticCable< StressStrainLaw >::ElasticCable(), GRINS::ElasticCableConstantGravity::ElasticCableConstantGravity(), GRINS::ElasticMembrane< StressStrainLaw >::ElasticMembrane(), GRINS::ElasticMembraneConstantPressure::ElasticMembraneConstantPressure(), GRINS::HeatConduction< Conductivity >::HeatConduction(), GRINS::HeatTransferBase< Conductivity >::HeatTransferBase(), GRINS::IncompressibleNavierStokesBase< Viscosity >::IncompressibleNavierStokesBase(), GRINS::AverageNusseltNumber::init(), GRINS::MooneyRivlin::MooneyRivlin(), GRINS::ReactingLowMachNavierStokesBase< Mixture, Evaluator >::ReactingLowMachNavierStokesBase(), GRINS::HookesLaw1D::read_input_options(), GRINS::HookesLaw::read_input_options(), GRINS::AxisymmetricBoussinesqBuoyancy::read_input_options(), and GRINS::VelocityDragAdjointStabilization< Viscosity >::VelocityDragAdjointStabilization().

39  {
40  param_variable = input(param_name, param_default);
41 
42  libmesh_assert_msg(!_my_parameters.count(param_name),
43  "ERROR: " << _my_name << " double-registered parameter " <<
44  param_name);
45 
46  _my_parameters[param_name] = &param_variable;
47  }
std::map< std::string, libMesh::Number * > _my_parameters
template<class Mu >
void GRINS::SpalartAllmaras< Mu >::set_time_evolving_vars ( libMesh::FEMSystem *  system)
virtualinherited

Sets velocity variables to be time-evolving.

Reimplemented from GRINS::Physics.

Definition at line 134 of file spalart_allmaras.C.

135  {
136  // Tell the system to march velocity forward in time, but
137  // leave p as a constraint only
138  system->time_evolving(this->_turbulence_vars.nu_var());
139 
140  return;
141  }
VariableIndex nu_var() const
TurbulenceFEVariables _turbulence_vars
void GRINS::Physics::side_constraint ( bool  compute_jacobian,
AssemblyContext context,
CachedValues cache 
)
virtualinherited

Constraint part(s) of physics for boundaries of elements on the domain boundary.

Reimplemented in GRINS::IncompressibleNavierStokes< Viscosity >, GRINS::LowMachNavierStokes< Viscosity, SpecificHeat, ThermalConductivity >, and GRINS::ReactingLowMachNavierStokes< Mixture, Evaluator >.

Definition at line 243 of file physics.C.

Referenced by GRINS::MultiphysicsSystem::side_constraint().

246  {
247  return;
248  }
void GRINS::Physics::side_time_derivative ( bool  compute_jacobian,
AssemblyContext context,
CachedValues cache 
)
virtualinherited

Member Data Documentation

GRINS::BCHandlingBase* GRINS::Physics::_bc_handler
protectedinherited
template<class Viscosity >
unsigned int GRINS::TurbulenceModelsBase< Viscosity >::_dim
protectedinherited

Physical dimension of problem.

Todo:
Do we really need to cache this?

Definition at line 62 of file turbulence_models_base.h.

std::set<libMesh::subdomain_id_type> GRINS::Physics::_enabled_subdomains
protectedinherited

Subdomains on which the current Physics class is enabled.

Definition at line 261 of file physics.h.

Referenced by GRINS::Physics::enabled_on_elem(), and GRINS::Physics::read_input_options().

template<class Viscosity >
PrimitiveFlowFEVariables GRINS::SpalartAllmaras< Viscosity >::_flow_vars
protectedinherited

Definition at line 90 of file spalart_allmaras.h.

GRINS::ICHandlingBase* GRINS::Physics::_ic_handler
protectedinherited
bool GRINS::Physics::_is_axisymmetric
protectedinherited
bool GRINS::Physics::_is_steady = false
staticprotectedinherited

Caches whether or not the solver that's being used is steady or not.

This is need, for example, in flow stabilization as the tau terms change depending on whether the solver is steady or unsteady.

Definition at line 266 of file physics.h.

Referenced by GRINS::Physics::is_steady(), and GRINS::Physics::set_is_steady().

template<class Viscosity >
Viscosity GRINS::TurbulenceModelsBase< Viscosity >::_mu
protectedinherited

Viscosity object.

Definition at line 69 of file turbulence_models_base.h.

template<class Viscosity >
unsigned int GRINS::SpalartAllmaras< Viscosity >::_no_of_walls
protectedinherited
const PhysicsName GRINS::Physics::_physics_name
protectedinherited

Name of the physics object. Used for reading physics specific inputs.

We use a reference because the physics names are const global objects in GRINS namespace

No, we use a copy, because otherwise as soon as the memory in std::set<std::string> requested_physics gets overwritten we get in trouble.

Definition at line 254 of file physics.h.

Referenced by GRINS::SourceTermBase::parse_var_info(), and GRINS::Physics::read_input_options().

template<class Viscosity >
libMesh::Number GRINS::TurbulenceModelsBase< Viscosity >::_rho
protectedinherited

Material parameters, read from input.

Todo:
Create objects to allow for function specification

Definition at line 66 of file turbulence_models_base.h.

template<class Viscosity >
SpalartAllmarasParameters GRINS::SpalartAllmaras< Viscosity >::_sa_params
protectedinherited

Object handling the plethora of parameters.

Definition at line 99 of file spalart_allmaras.h.

template<class Viscosity >
SpalartAllmarasHelper GRINS::SpalartAllmaras< Viscosity >::_spalart_allmaras_helper
protectedinherited

Definition at line 96 of file spalart_allmaras.h.

template<class Viscosity >
SpalartAllmarasStabilizationHelper GRINS::SpalartAllmarasStabilizationBase< Viscosity >::_stab_helper
protected

Definition at line 52 of file spalart_allmaras_stab_base.h.

template<class Viscosity >
TurbulenceFEVariables GRINS::SpalartAllmaras< Viscosity >::_turbulence_vars
protectedinherited

Definition at line 93 of file spalart_allmaras.h.

template<class Viscosity >
std::set<libMesh::boundary_id_type> GRINS::SpalartAllmaras< Viscosity >::_wall_ids
protectedinherited
template<class Viscosity >
libMesh::AutoPtr<libMesh::SerialMesh> GRINS::SpalartAllmaras< Viscosity >::boundary_mesh
inherited

Definition at line 85 of file spalart_allmaras.h.

template<class Viscosity >
libMesh::AutoPtr<DistanceFunction> GRINS::SpalartAllmaras< Viscosity >::distance_function
inherited

Definition at line 82 of file spalart_allmaras.h.


The documentation for this class was generated from the following files:

Generated on Mon Jun 22 2015 21:32:24 for GRINS-0.6.0 by  doxygen 1.8.9.1