Class Viscosity_Peer2016

Defined in File Viscosity_Peer2016.h

Inheritance Relationships

Base Type

public SPH::NonPressureForceBase (Class NonPressureForceBase)

Class Documentation

class Viscosity_Peer2016 : public SPH::NonPressureForceBase 

This class implements the implicit simulation method for viscous fluids introduced by Peer and Teschner [PT16].

References:

[PT16] Andreas Peer and Matthias Teschner. Prescribed Velocity Gradients for Highly Viscous SPH Fluids with Vorticity Diffusion. IEEE Transactions on Visualization and Computer Graphics, 2016. URL: https://doi.org/10.1109/TVCG.2016.2636144

Public Functions

Viscosity_Peer2016(FluidModel *model)

virtual ~Viscosity_Peer2016(void)

inline virtual std::string getMethodName(): returns the name of the method

virtual void step()

virtual void reset()

virtual void performNeighborhoodSearchSort()

inline FORCE_INLINE const Matrix3r & getTargetNablaV (const unsigned int i) const

inline FORCE_INLINE Matrix3r & getTargetNablaV (const unsigned int i)

inline FORCE_INLINE void setTargetNablaV (const unsigned int i, const Matrix3r &val)

inline FORCE_INLINE const Vector3r & getOmega (const unsigned int i) const

inline FORCE_INLINE Vector3r & getOmega (const unsigned int i)

inline FORCE_INLINE void setOmega (const unsigned int i, const Vector3r &val)

Public Static Functions

static inline NonPressureForceBase *creator(FluidModel *model)

static void matrixVecProdV(const Real *vec, Real *result, void *userData)

static FORCE_INLINE void diagonalMatrixElementV (const unsigned int row, Real &result, void *userData)

static void matrixVecProdOmega(const Real *vec, Real *result, void *userData)

static FORCE_INLINE void diagonalMatrixElementOmega (const unsigned int row, Real &result, void *userData)

Public Static Attributes

static std::string METHOD_NAME = "Peer et al. 2016"

static int VISCOSITY_COEFFICIENT = -1

static int ITERATIONS_V = -1

static int ITERATIONS_OMEGA = -1

static int MAX_ITERATIONS_V = -1

static int MAX_ERROR_V = -1

static int MAX_ITERATIONS_OMEGA = -1

static int MAX_ERROR_OMEGA = -1

Protected Types

typedef Eigen::ConjugateGradient<MatrixReplacement, Eigen::Lower | Eigen::Upper, JacobiPreconditioner1D> Solver

Protected Functions

virtual void initParameters()

void computeDensities()

Protected Attributes

std::vector<Real> m_density

std::vector<Matrix3r> m_targetNablaV

std::vector<Vector3r> m_omega

Solver m_solverV

Solver m_solverOmega

Real m_viscosity

unsigned int m_iterationsV

unsigned int m_iterationsOmega

unsigned int m_maxIterV

Real m_maxErrorV

unsigned int m_maxIterOmega

Real m_maxErrorOmega