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Extensible Simulation Package for Research on Soft Matter Systems
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LBWalberlaBase Class Referenceabstract

Interface of a lattice-based fluid model. More...

#include <LBWalberlaBase.hpp>

+ Inheritance diagram for LBWalberlaBase:
+ Collaboration diagram for LBWalberlaBase:

Public Member Functions

 ~LBWalberlaBase () override=default
 
virtual void integrate ()=0
 Integrate LB for one time step.
 
virtual void ghost_communication ()=0
 Perform a full ghost communication.
 
virtual void ghost_communication_pdf ()=0
 Perform a ghost communication of the PDF field.
 
virtual void ghost_communication_vel ()=0
 Perform a ghost communication of the velocity field.
 
virtual std::size_t stencil_size () const noexcept=0
 Number of discretized velocities in the PDF.
 
virtual bool is_double_precision () const noexcept=0
 Whether kernels use double-precision floating point numbers.
 
virtual std::optional< Utils::Vector3dget_velocity_at_pos (Utils::Vector3d const &position, bool consider_points_in_halo=false) const =0
 Get interpolated velocities at a position.
 
virtual std::vector< Utils::Vector3dget_velocities_at_pos (std::vector< Utils::Vector3d > const &pos)=0
 Get interpolated velocities at positions.
 
virtual std::optional< double > get_density_at_pos (Utils::Vector3d const &position, bool consider_points_in_halo=false) const =0
 Get interpolated densities at a position.
 
virtual bool add_force_at_pos (Utils::Vector3d const &position, Utils::Vector3d const &force)=0
 Interpolate a force to the stored forces to be applied on nodes in the next time step.
 
virtual void add_forces_at_pos (std::vector< Utils::Vector3d > const &positions, std::vector< Utils::Vector3d > const &forces)=0
 Interpolate forces to the stored forces to be applied on nodes in the next time step.
 
virtual std::optional< Utils::Vector3dget_node_force_to_be_applied (Utils::Vector3i const &node) const =0
 Get stored force to be applied on node in the next time step.
 
virtual std::optional< Utils::Vector3dget_node_last_applied_force (Utils::Vector3i const &node, bool consider_ghosts=false) const =0
 Get stored force that was applied on node in the last time step.
 
virtual bool set_node_last_applied_force (Utils::Vector3i const &node, Utils::Vector3d const &force)=0
 Set stored force that was applied on node in the last time step.
 
virtual std::vector< double > get_slice_last_applied_force (Utils::Vector3i const &lower_corner, Utils::Vector3i const &upper_corner) const =0
 Get stored force that was applied on slice in the last time step.
 
virtual void set_slice_last_applied_force (Utils::Vector3i const &lower_corner, Utils::Vector3i const &upper_corner, std::vector< double > const &force)=0
 Set stored force that was applied on slice in the last time step.
 
virtual std::optional< std::vector< double > > get_node_population (Utils::Vector3i const &node, bool consider_ghosts=false) const =0
 Get node population.
 
virtual bool set_node_population (Utils::Vector3i const &node, std::vector< double > const &population)=0
 Set node population.
 
virtual std::vector< double > get_slice_population (Utils::Vector3i const &lower_corner, Utils::Vector3i const &upper_corner) const =0
 Get slice population.
 
virtual void set_slice_population (Utils::Vector3i const &lower_corner, Utils::Vector3i const &upper_corner, std::vector< double > const &population)=0
 Set slice population.
 
virtual std::optional< Utils::Vector3dget_node_velocity (Utils::Vector3i const &node, bool consider_ghosts=false) const =0
 Get node velocity.
 
virtual bool set_node_velocity (Utils::Vector3i const &node, Utils::Vector3d const &v)=0
 Set node velocity.
 
virtual std::vector< double > get_slice_velocity (Utils::Vector3i const &lower_corner, Utils::Vector3i const &upper_corner) const =0
 Get slice velocity.
 
virtual void set_slice_velocity (Utils::Vector3i const &lower_corner, Utils::Vector3i const &upper_corner, std::vector< double > const &velocity)=0
 Set slice velocity.
 
virtual std::optional< double > get_node_density (Utils::Vector3i const &node, bool consider_ghosts=false) const =0
 Get node density.
 
virtual bool set_node_density (Utils::Vector3i const &node, double density)=0
 Set node density.
 
virtual std::vector< double > get_slice_density (Utils::Vector3i const &lower_corner, Utils::Vector3i const &upper_corner) const =0
 Get slice density.
 
virtual void set_slice_density (Utils::Vector3i const &lower_corner, Utils::Vector3i const &upper_corner, std::vector< double > const &density)=0
 Set slice density.
 
virtual std::optional< Utils::Vector3dget_node_velocity_at_boundary (Utils::Vector3i const &node, bool consider_ghosts=false) const =0
 Get node velocity boundary conditions.
 
virtual bool set_node_velocity_at_boundary (Utils::Vector3i const &node, Utils::Vector3d const &velocity)=0
 Set node velocity boundary conditions.
 
virtual std::vector< std::optional< Utils::Vector3d > > get_slice_velocity_at_boundary (Utils::Vector3i const &lower_corner, Utils::Vector3i const &upper_corner) const =0
 Get slice velocity boundary conditions.
 
virtual void set_slice_velocity_at_boundary (Utils::Vector3i const &lower_corner, Utils::Vector3i const &upper_corner, std::vector< std::optional< Utils::Vector3d > > const &velocity)=0
 Set slice velocity boundary conditions.
 
virtual std::optional< Utils::Vector3dget_node_boundary_force (Utils::Vector3i const &node) const =0
 Get (stored) force applied on node due to boundary condition.
 
virtual bool remove_node_from_boundary (Utils::Vector3i const &node)=0
 Remove a node from the boundaries.
 
virtual std::optional< bool > get_node_is_boundary (Utils::Vector3i const &node, bool consider_ghosts=false) const =0
 Check if node has velocity boundary conditions.
 
virtual std::vector< bool > get_slice_is_boundary (Utils::Vector3i const &lower_corner, Utils::Vector3i const &upper_corner) const =0
 Check if slice has velocity boundary conditions.
 
virtual void reallocate_ubb_field ()=0
 Rebuild the UBB field.
 
virtual void clear_boundaries ()=0
 Clear the boundary flag field and the UBB field.
 
virtual void update_boundary_from_shape (std::vector< int > const &, std::vector< double > const &)=0
 Update boundary conditions from a rasterized shape.
 
virtual void set_collision_model (double kT, unsigned int seed)=0
 Configure the default collision model.
 
virtual void set_collision_model (std::unique_ptr< LeesEdwardsPack > &&lees_edwards_pack)=0
 Configure a thermalized collision model for Lees-Edwards.
 
virtual void check_lebc (unsigned int shear_direction, unsigned int shear_plane_normal) const =0
 Check Lees-Edwards boundary conditions.
 
virtual std::optional< Utils::VectorXd< 9 > > get_node_pressure_tensor (Utils::Vector3i const &node) const =0
 Get node pressure tensor.
 
virtual std::vector< double > get_slice_pressure_tensor (Utils::Vector3i const &lower_corner, Utils::Vector3i const &upper_corner) const =0
 Get slice pressure tensor.
 
virtual Utils::VectorXd< 9 > get_pressure_tensor () const =0
 Calculate average pressure tensor of the local domain.
 
virtual Utils::Vector3d get_momentum () const =0
 Calculate momentum of the local domain.
 
virtual void set_external_force (Utils::Vector3d const &ext_force)=0
 Set a global external force.
 
virtual Utils::Vector3d get_external_force () const noexcept=0
 Get the global external force.
 
virtual void set_viscosity (double viscosity)=0
 Set the fluid viscosity.
 
virtual double get_viscosity () const noexcept=0
 Get the fluid viscosity.
 
virtual double get_density () const noexcept=0
 Get the fluid density.
 
virtual double get_kT () const noexcept=0
 Get the fluid temperature (if thermalized).
 
virtual unsigned int get_seed () const noexcept=0
 Get the RNG seed (if thermalized).
 
virtual std::optional< uint64_t > get_rng_state () const =0
 Set the RNG counter (if thermalized).
 
virtual void set_rng_state (uint64_t counter)=0
 Set the RNG counter (if thermalized).
 
virtual std::size_t get_velocity_field_id () const noexcept=0
 get the velocity field id
 
virtual std::size_t get_force_field_id () const noexcept=0
 get the force field id
 
virtual bool is_gpu () const noexcept=0
 
- Public Member Functions inherited from LatticeModel
virtual ~LatticeModel ()=default
 
virtual LatticeWalberla const & get_lattice () const noexcept=0
 Get the underlying lattice.
 
std::shared_ptr< VTKHandlecreate_vtk (int delta_N, int initial_count, int flag_observables, units_map const &units_conversion, std::string const &identifier, std::string const &base_folder, std::string const &prefix)
 Create a VTK observable.
 
void write_vtk (std::string const &vtk_uid)
 Write a VTK observable to disk.
 
void switch_vtk (std::string const &vtk_uid, bool status)
 Toggle a VTK observable on/off.
 

Additional Inherited Members

- Public Types inherited from LatticeModel
using units_map = std::unordered_map< std::string, double >
 
- Protected Member Functions inherited from LatticeModel
virtual void register_vtk_field_writers (walberla::vtk::VTKOutput &vtk_obj, units_map const &units_conversion, int flag_observables)=0
 Register VTK writers.
 
virtual void register_vtk_field_filters (walberla::vtk::VTKOutput &vtk_obj)=0
 
virtual void integrate_vtk_writers ()=0
 
- Protected Attributes inherited from LatticeModel
std::map< std::string, std::shared_ptr< VTKHandle > > m_vtk_auto
 VTK writers that are executed automatically.
 
std::map< std::string, std::shared_ptr< VTKHandle > > m_vtk_manual
 VTK writers that are executed manually.
 

Detailed Description

Interface of a lattice-based fluid model.

Definition at line 41 of file LBWalberlaBase.hpp.

Constructor & Destructor Documentation

◆ ~LBWalberlaBase()

LBWalberlaBase::~LBWalberlaBase ( )
overridedefault

Member Function Documentation

◆ add_force_at_pos()

virtual bool LBWalberlaBase::add_force_at_pos ( Utils::Vector3d const &  position,
Utils::Vector3d const &  force 
)
pure virtual

Interpolate a force to the stored forces to be applied on nodes in the next time step.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ add_forces_at_pos()

virtual void LBWalberlaBase::add_forces_at_pos ( std::vector< Utils::Vector3d > const &  positions,
std::vector< Utils::Vector3d > const &  forces 
)
pure virtual

Interpolate forces to the stored forces to be applied on nodes in the next time step.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ check_lebc()

virtual void LBWalberlaBase::check_lebc ( unsigned int  shear_direction,
unsigned int  shear_plane_normal 
) const
pure virtual

Check Lees-Edwards boundary conditions.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ clear_boundaries()

virtual void LBWalberlaBase::clear_boundaries ( )
pure virtual

Clear the boundary flag field and the UBB field.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_density()

virtual double LBWalberlaBase::get_density ( ) const
pure virtualnoexcept

Get the fluid density.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_density_at_pos()

virtual std::optional< double > LBWalberlaBase::get_density_at_pos ( Utils::Vector3d const &  position,
bool  consider_points_in_halo = false 
) const
pure virtual

Get interpolated densities at a position.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_external_force()

virtual Utils::Vector3d LBWalberlaBase::get_external_force ( ) const
pure virtualnoexcept

Get the global external force.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_force_field_id()

virtual std::size_t LBWalberlaBase::get_force_field_id ( ) const
pure virtualnoexcept

get the force field id

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_kT()

virtual double LBWalberlaBase::get_kT ( ) const
pure virtualnoexcept

Get the fluid temperature (if thermalized).

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_momentum()

virtual Utils::Vector3d LBWalberlaBase::get_momentum ( ) const
pure virtual

Calculate momentum of the local domain.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_node_boundary_force()

virtual std::optional< Utils::Vector3d > LBWalberlaBase::get_node_boundary_force ( Utils::Vector3i const &  node) const
pure virtual

Get (stored) force applied on node due to boundary condition.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_node_density()

virtual std::optional< double > LBWalberlaBase::get_node_density ( Utils::Vector3i const &  node,
bool  consider_ghosts = false 
) const
pure virtual

Get node density.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_node_force_to_be_applied()

virtual std::optional< Utils::Vector3d > LBWalberlaBase::get_node_force_to_be_applied ( Utils::Vector3i const &  node) const
pure virtual

Get stored force to be applied on node in the next time step.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_node_is_boundary()

virtual std::optional< bool > LBWalberlaBase::get_node_is_boundary ( Utils::Vector3i const &  node,
bool  consider_ghosts = false 
) const
pure virtual

Check if node has velocity boundary conditions.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_node_last_applied_force()

virtual std::optional< Utils::Vector3d > LBWalberlaBase::get_node_last_applied_force ( Utils::Vector3i const &  node,
bool  consider_ghosts = false 
) const
pure virtual

Get stored force that was applied on node in the last time step.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_node_population()

virtual std::optional< std::vector< double > > LBWalberlaBase::get_node_population ( Utils::Vector3i const &  node,
bool  consider_ghosts = false 
) const
pure virtual

Get node population.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_node_pressure_tensor()

virtual std::optional< Utils::VectorXd< 9 > > LBWalberlaBase::get_node_pressure_tensor ( Utils::Vector3i const &  node) const
pure virtual

Get node pressure tensor.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_node_velocity()

virtual std::optional< Utils::Vector3d > LBWalberlaBase::get_node_velocity ( Utils::Vector3i const &  node,
bool  consider_ghosts = false 
) const
pure virtual

Get node velocity.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_node_velocity_at_boundary()

virtual std::optional< Utils::Vector3d > LBWalberlaBase::get_node_velocity_at_boundary ( Utils::Vector3i const &  node,
bool  consider_ghosts = false 
) const
pure virtual

Get node velocity boundary conditions.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_pressure_tensor()

virtual Utils::VectorXd< 9 > LBWalberlaBase::get_pressure_tensor ( ) const
pure virtual

Calculate average pressure tensor of the local domain.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_rng_state()

virtual std::optional< uint64_t > LBWalberlaBase::get_rng_state ( ) const
pure virtual

Set the RNG counter (if thermalized).

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_seed()

virtual unsigned int LBWalberlaBase::get_seed ( ) const
pure virtualnoexcept

Get the RNG seed (if thermalized).

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_slice_density()

virtual std::vector< double > LBWalberlaBase::get_slice_density ( Utils::Vector3i const &  lower_corner,
Utils::Vector3i const &  upper_corner 
) const
pure virtual

◆ get_slice_is_boundary()

virtual std::vector< bool > LBWalberlaBase::get_slice_is_boundary ( Utils::Vector3i const &  lower_corner,
Utils::Vector3i const &  upper_corner 
) const
pure virtual

Check if slice has velocity boundary conditions.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

Referenced by ScriptInterface::walberla::LBFluidSlice::do_call_method().

◆ get_slice_last_applied_force()

virtual std::vector< double > LBWalberlaBase::get_slice_last_applied_force ( Utils::Vector3i const &  lower_corner,
Utils::Vector3i const &  upper_corner 
) const
pure virtual

Get stored force that was applied on slice in the last time step.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

Referenced by ScriptInterface::walberla::LBFluidSlice::do_call_method().

◆ get_slice_population()

virtual std::vector< double > LBWalberlaBase::get_slice_population ( Utils::Vector3i const &  lower_corner,
Utils::Vector3i const &  upper_corner 
) const
pure virtual

◆ get_slice_pressure_tensor()

virtual std::vector< double > LBWalberlaBase::get_slice_pressure_tensor ( Utils::Vector3i const &  lower_corner,
Utils::Vector3i const &  upper_corner 
) const
pure virtual

◆ get_slice_velocity()

virtual std::vector< double > LBWalberlaBase::get_slice_velocity ( Utils::Vector3i const &  lower_corner,
Utils::Vector3i const &  upper_corner 
) const
pure virtual

◆ get_slice_velocity_at_boundary()

virtual std::vector< std::optional< Utils::Vector3d > > LBWalberlaBase::get_slice_velocity_at_boundary ( Utils::Vector3i const &  lower_corner,
Utils::Vector3i const &  upper_corner 
) const
pure virtual

Get slice velocity boundary conditions.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

Referenced by ScriptInterface::walberla::LBFluidSlice::do_call_method().

◆ get_velocities_at_pos()

virtual std::vector< Utils::Vector3d > LBWalberlaBase::get_velocities_at_pos ( std::vector< Utils::Vector3d > const &  pos)
pure virtual

Get interpolated velocities at positions.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_velocity_at_pos()

virtual std::optional< Utils::Vector3d > LBWalberlaBase::get_velocity_at_pos ( Utils::Vector3d const &  position,
bool  consider_points_in_halo = false 
) const
pure virtual

Get interpolated velocities at a position.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_velocity_field_id()

virtual std::size_t LBWalberlaBase::get_velocity_field_id ( ) const
pure virtualnoexcept

get the velocity field id

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ get_viscosity()

virtual double LBWalberlaBase::get_viscosity ( ) const
pure virtualnoexcept

Get the fluid viscosity.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ ghost_communication()

virtual void LBWalberlaBase::ghost_communication ( )
pure virtual

Perform a full ghost communication.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

Referenced by LB::LBWalberla::update_collision_model().

◆ ghost_communication_pdf()

virtual void LBWalberlaBase::ghost_communication_pdf ( )
pure virtual

Perform a ghost communication of the PDF field.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ ghost_communication_vel()

virtual void LBWalberlaBase::ghost_communication_vel ( )
pure virtual

Perform a ghost communication of the velocity field.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ integrate()

virtual void LBWalberlaBase::integrate ( )
pure virtual

Integrate LB for one time step.

The ghost layer may be out-of-date after integration. Call ghost_communication() to refresh them before calling any getter function that reads from the halo region.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ is_double_precision()

virtual bool LBWalberlaBase::is_double_precision ( ) const
pure virtualnoexcept

Whether kernels use double-precision floating point numbers.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ is_gpu()

virtual bool LBWalberlaBase::is_gpu ( ) const
pure virtualnoexcept

◆ reallocate_ubb_field()

virtual void LBWalberlaBase::reallocate_ubb_field ( )
pure virtual

Rebuild the UBB field.

This is an expensive operation.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ remove_node_from_boundary()

virtual bool LBWalberlaBase::remove_node_from_boundary ( Utils::Vector3i const &  node)
pure virtual

Remove a node from the boundaries.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ set_collision_model() [1/2]

virtual void LBWalberlaBase::set_collision_model ( double  kT,
unsigned int  seed 
)
pure virtual

Configure the default collision model.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

Referenced by LB::LBWalberla::update_collision_model().

◆ set_collision_model() [2/2]

virtual void LBWalberlaBase::set_collision_model ( std::unique_ptr< LeesEdwardsPack > &&  lees_edwards_pack)
pure virtual

Configure a thermalized collision model for Lees-Edwards.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ set_external_force()

virtual void LBWalberlaBase::set_external_force ( Utils::Vector3d const &  ext_force)
pure virtual

Set a global external force.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ set_node_density()

virtual bool LBWalberlaBase::set_node_density ( Utils::Vector3i const &  node,
double  density 
)
pure virtual

Set node density.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ set_node_last_applied_force()

virtual bool LBWalberlaBase::set_node_last_applied_force ( Utils::Vector3i const &  node,
Utils::Vector3d const &  force 
)
pure virtual

Set stored force that was applied on node in the last time step.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ set_node_population()

virtual bool LBWalberlaBase::set_node_population ( Utils::Vector3i const &  node,
std::vector< double > const &  population 
)
pure virtual

Set node population.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ set_node_velocity()

virtual bool LBWalberlaBase::set_node_velocity ( Utils::Vector3i const &  node,
Utils::Vector3d const &  v 
)
pure virtual

Set node velocity.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ set_node_velocity_at_boundary()

virtual bool LBWalberlaBase::set_node_velocity_at_boundary ( Utils::Vector3i const &  node,
Utils::Vector3d const &  velocity 
)
pure virtual

Set node velocity boundary conditions.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ set_rng_state()

virtual void LBWalberlaBase::set_rng_state ( uint64_t  counter)
pure virtual

Set the RNG counter (if thermalized).

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ set_slice_density()

virtual void LBWalberlaBase::set_slice_density ( Utils::Vector3i const &  lower_corner,
Utils::Vector3i const &  upper_corner,
std::vector< double > const &  density 
)
pure virtual

◆ set_slice_last_applied_force()

virtual void LBWalberlaBase::set_slice_last_applied_force ( Utils::Vector3i const &  lower_corner,
Utils::Vector3i const &  upper_corner,
std::vector< double > const &  force 
)
pure virtual

Set stored force that was applied on slice in the last time step.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

Referenced by ScriptInterface::walberla::LBFluidSlice::do_call_method().

◆ set_slice_population()

virtual void LBWalberlaBase::set_slice_population ( Utils::Vector3i const &  lower_corner,
Utils::Vector3i const &  upper_corner,
std::vector< double > const &  population 
)
pure virtual

◆ set_slice_velocity()

virtual void LBWalberlaBase::set_slice_velocity ( Utils::Vector3i const &  lower_corner,
Utils::Vector3i const &  upper_corner,
std::vector< double > const &  velocity 
)
pure virtual

◆ set_slice_velocity_at_boundary()

virtual void LBWalberlaBase::set_slice_velocity_at_boundary ( Utils::Vector3i const &  lower_corner,
Utils::Vector3i const &  upper_corner,
std::vector< std::optional< Utils::Vector3d > > const &  velocity 
)
pure virtual

Set slice velocity boundary conditions.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

Referenced by ScriptInterface::walberla::LBFluidSlice::do_call_method().

◆ set_viscosity()

virtual void LBWalberlaBase::set_viscosity ( double  viscosity)
pure virtual

Set the fluid viscosity.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ stencil_size()

virtual std::size_t LBWalberlaBase::stencil_size ( ) const
pure virtualnoexcept

Number of discretized velocities in the PDF.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.

◆ update_boundary_from_shape()

virtual void LBWalberlaBase::update_boundary_from_shape ( std::vector< int > const &  ,
std::vector< double > const &   
)
pure virtual

Update boundary conditions from a rasterized shape.

Implemented in walberla::LBWalberlaImpl< FloatType, Architecture >.


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