Class Viscosity_Weiler2018¶

Defined in File Viscosity_Weiler2018.h

Inheritance Relationships¶

Base Type¶

public SPH::ViscosityBase (Class ViscosityBase)

Class Documentation¶

class SPH::Viscosity_Weiler2018 : public SPH::ViscosityBase ¶

This class implements the implicit Laplace viscosity method introduced by Weiler et al. 2018 [WKBB18].

References:

[WKBB18] Marcel Weiler, Dan Koschier, Magnus Brand, and Jan Bender. A physically consistent implicit viscosity solver for SPH fluids. Computer Graphics Forum (Eurographics), 2018. URL: https://doi.org/10.1111/cgf.13349

Public Functions

Viscosity_Weiler2018(FluidModel *model)¶

virtual ~Viscosity_Weiler2018(void)¶

virtual void step()¶

virtual void reset()¶

virtual void performNeighborhoodSearchSort()¶

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

inline FORCE_INLINE Vector3r & getVDiff (const unsigned int i)

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

void computeRHS(VectorXr &b, VectorXr &g)¶

void applyForces(const VectorXr &x)¶

Public Static Functions

static inline NonPressureForceBase *creator(FluidModel *model)¶

static void matrixVecProd(const Real *vec, Real *result, void *userData)¶

Public Static Attributes

static int ITERATIONS = -1¶

static int MAX_ITERATIONS = -1¶

static int MAX_ERROR = -1¶

static int VISCOSITY_COEFFICIENT_BOUNDARY = -1¶

Protected Types

typedef Eigen::ConjugateGradient<MatrixReplacement, Eigen::Lower | Eigen::Upper, BlockJacobiPreconditioner3D> Solver¶

Protected Functions

virtual void initParameters()¶

Protected Attributes

Real m_boundaryViscosity¶

unsigned int m_maxIter¶

Real m_maxError¶

unsigned int m_iterations¶

std::vector<Vector3r> m_vDiff¶

Real m_tangentialDistanceFactor¶

Solver m_solver¶

Protected Static Functions

static FORCE_INLINE void diagonalMatrixElement (const unsigned int row, Matrix3r &result, void *userData)