Setups

namespace setups
class ArtificialTsunami2d : public tsunami_lab::setups::Setup
#include <ArtificialTsunami2d.h>

2d dam break setup.

Public Functions

ArtificialTsunami2d()

Constructor.

Author

Luca-Philipp Grumbach

Author

Richard Hofmann

Description

Two-dimensional artificial tsunami

t_real computeD(t_real i_x, t_real i_y) const

compute the displacement

Parameters:

  • i_x – postion in x direction

  • i_y – postion in y direction

Returns:

displacement

t_real computeF(t_real i_x) const

compute equation for f

Parameters:

i_x – postion in x direction

Returns:

value for f

t_real computeG(t_real i_y) const

compute equation for g

Parameters:

i_y – postion in y direction

Returns:

value for g

virtual t_real getHeight(t_real i_x, t_real i_y) const

Gets the water height at a given point.

Parameters:

  • i_x – x-coordinate of the queried point.

  • i_y – y-coordinate of the queried point.

Returns:

water height at the given point.

virtual t_real getMomentumX(t_real, t_real) const

Gets the momentum in x-direction.

Returns:

momentum in x-direction.

virtual t_real getMomentumY(t_real, t_real) const

Gets the momentum in y-direction.

Returns:

momentum in y-direction.

virtual t_real getBathymetry(t_real i_x, t_real i_y) const

Gets the bathymetry.

Parameters:

  • i_x – x-coordinate of the queried point.

  • i_y – y-coordinate of the queried point.

Returns:

bathymetry.

Private Static Attributes

static t_real constexpr m_pi = 3.1415926
class CircularDamBreak2d : public tsunami_lab::setups::Setup
#include <CircularDamBreak2d.h>

2d dam break setup.

Public Functions

CircularDamBreak2d(tsunami_lab::t_real i_height, tsunami_lab::t_real i_baseHeight, tsunami_lab::t_real i_diameter)

Constructor.

Author

Luca-Philipp Grumbach

Author

Richard Hofmann

Description

Two-dimensional circular dam break problem.

Parameters:

  • i_height – height of the water

  • i_diameter – diameter of the circular wave

virtual t_real getHeight(t_real i_x, t_real i_y) const

Gets the water height at a given point.

Parameters:

  • i_x – x-coordinate of the queried point.

  • i_y – y-coordinate of the queried point.

Returns:

height at the given point.

virtual t_real getMomentumX(t_real, t_real) const

Gets the momentum in x-direction.

Returns:

momentum in x-direction.

virtual t_real getMomentumY(t_real, t_real) const

Gets the momentum in y-direction.

Returns:

momentum in y-direction.

virtual t_real getBathymetry(t_real, t_real) const

Gets the bathymetry

Returns:

bathymetry.

Private Members

t_real m_height = 0
t_real m_radius = 0
t_real m_baseHeight = 0
class DamBreak1d : public tsunami_lab::setups::Setup
#include <DamBreak1d.h>

1d dam break setup.

Public Functions

DamBreak1d(t_real i_heightLeft, t_real i_heightRight, t_real i_locationDam)

Constructor.

Author

Luca-Philipp Grumbach

Author

Richard Hofmann

Description

One-dimensional dam break problem.

Parameters:

  • i_heightLeft – water height on the left side of the dam.

  • i_heightRight – water height on the right side of the dam.

  • i_locationDam – location (x-coordinate) of the dam.

virtual t_real getHeight(t_real i_x, t_real) const

Gets the water height at a given point.

Parameters:

i_x – x-coordinate of the queried point.

Returns:

height at the given point.

virtual t_real getMomentumX(t_real, t_real) const

Gets the momentum in x-direction.

Returns:

momentum in x-direction.

virtual t_real getMomentumY(t_real, t_real) const

Gets the momentum in y-direction.

Returns:

momentum in y-direction.

virtual t_real getBathymetry(t_real i_x, t_real) const

Gets the bathymetry

Parameters:

i_x – x-coordinate of the queried point.

Returns:

bathymetry.

Private Members

t_real m_heightLeft = 0

height on the left side

t_real m_heightRight = 0

height on the right side

t_real m_locationDam = 0

location of the dam

class GeneralDiscontinuity1d : public tsunami_lab::setups::Setup
#include <GeneralDiscontinuity1d.h>

Public Functions

GeneralDiscontinuity1d(t_real i_hL, t_real i_hR, t_real i_huL, t_real i_huR, t_real i_xdis)

Constructor.

Author

Luca-Philipp Grumbach

Author

Richard Hofmann

Description

one-dimensional discontinuity problem

Parameters:

  • i_hL – water height on the left side

  • i_hR – water height on the right side

  • i_huL – water momentum on the left side

  • i_huR – water momentum on the right side

  • i_xdis – position of discontinuity

virtual t_real getHeight(t_real i_x, t_real) const

Gets the water height at a given point.

Parameters:

i_x – x-coordinate of the queried point.

Returns:

height at the given point.

virtual t_real getMomentumX(t_real i_x, t_real) const

Gets the momentum in x-direction.

Parameters:

i_x – x-coordinate of the queried point.

Returns:

momentum in x-direction.

virtual t_real getMomentumY(t_real, t_real) const

Gets the momentum in y-direction.

Returns:

momentum in y-direction.

virtual t_real getBathymetry(t_real i_x, t_real) const

Gets the bathymetry

Parameters:

i_x – x-coordinate of the queried point.

Returns:

bathymetry.

Private Members

t_real m_heightLeft = 0

height on the left side

t_real m_heightRight = 0

height on the right side

t_real m_momentumLeft = 0

momentum on the left side

t_real m_momentumRight = 0

momentum on the right side

t_real m_xdis = 0

wave discontinuity location on the x-axis

class RareRare1d : public tsunami_lab::setups::Setup
#include <RareRare1d.h>

Public Functions

RareRare1d(t_real i_h, t_real i_huL, t_real i_xdis)

Constructor.

Author

Luca-Philipp Grumbach

Author

Richard Hofmann

Description

Implementation of One-dimensional rare-rare Riemann problems

Parameters:

  • i_h – water height of both sides

  • i_huL – water momentum on the left side

  • i_xdis – discontinuity location

virtual t_real getHeight(t_real i_x, t_real) const

Gets the water height at a given point.

Parameters:

i_x – x-coordinate of the queried point.

Returns:

height at the given point.

virtual t_real getMomentumX(t_real, t_real) const

Gets the momentum in x-direction.

Returns:

momentum in x-direction.

virtual t_real getMomentumY(t_real, t_real) const

Gets the momentum in y-direction.

Returns:

momentum in y-direction.

virtual t_real getBathymetry(t_real i_x, t_real) const

Gets the bathymetry

Parameters:

i_x – x-coordinate of the queried point.

Returns:

bathymetry.

Private Members

t_real m_height = 0

height on the left side

t_real m_momentumLeft = 0

height on the right side

t_real m_xdis = 0

position where waves interact

class Setup
#include <Setup.h>

Base setup.

Subclassed by tsunami_lab::setups::ArtificialTsunami2d, tsunami_lab::setups::CircularDamBreak2d, tsunami_lab::setups::DamBreak1d, tsunami_lab::setups::GeneralDiscontinuity1d, tsunami_lab::setups::RareRare1d, tsunami_lab::setups::ShockShock1d, tsunami_lab::setups::Subcritical1d, tsunami_lab::setups::Supercritical1d, tsunami_lab::setups::TsunamiEvent1d, tsunami_lab::setups::TsunamiEvent2d

Public Functions

inline virtual ~Setup()

Virtual destructor for base class.

virtual t_real getHeight(t_real i_x, t_real i_y) const = 0

Gets the water height at a given point.

Parameters:

  • i_x – x-coordinate of the queried point.

  • i_y – y-coordinate of the queried point.

Returns:

water height at the given point.

virtual t_real getMomentumX(t_real i_x, t_real i_y) const = 0

Gets the momentum in x-direction.

Parameters:

  • i_x – x-coordinate of the queried point.

  • i_y – y-coordinate of the queried point.

Returns:

momentum in x-direction.

virtual t_real getMomentumY(t_real i_x, t_real i_y) const = 0

Gets the momentum in y-direction.

Parameters:

  • i_x – x-coordinate of the queried point.

  • i_y – y-coordinate of the queried point.

Returns:

momentum in y-direction.

virtual t_real getBathymetry(t_real i_x, t_real i_y) const = 0

Gets the bathymetry.

Parameters:

  • i_x – x-coordinate of the queried point.

  • i_y – y-coordinate of the queried point.

Returns:

bathymetry.

class ShockShock1d : public tsunami_lab::setups::Setup
#include <ShockShock1d.h>

Public Functions

ShockShock1d(t_real i_h, t_real i_huL, t_real i_xdis)

Constructor.

Author

Luca-Philipp Grumbach

Author

Richard Hofmann

Description

Implementation of shock-shock Riemann problems

Parameters:

  • i_h – water height of both sides

  • i_huL – water momentum on the left side

  • i_xdis – discontinuity location

virtual t_real getHeight(t_real i_x, t_real) const

Gets the water height at a given point.

Parameters:

i_x – x-coordinate of the queried point.

Returns:

height at the given point.

virtual t_real getMomentumX(t_real, t_real) const

Gets the momentum in x-direction.

Returns:

momentum in x-direction.

virtual t_real getMomentumY(t_real, t_real) const

Gets the momentum in y-direction.

Returns:

momentum in y-direction.

virtual t_real getBathymetry(t_real i_x, t_real) const

Gets the bathymetry

Parameters:

i_x – x-coordinate of the queried point.

Returns:

bathymetry.

Private Members

t_real m_height = 0

height on the left side

t_real m_momentumLeft = 0

height on the right side

t_real m_xdis = 0

position where waves interact

class Subcritical1d : public tsunami_lab::setups::Setup
#include <Subcritical1d.h>

Public Functions

Subcritical1d(t_real i_h, t_real i_hu)

Constructor.

Author

Luca-Philipp Grumbach

Author

Richard Hofmann

Description

one-dimensional subcritical problem

Parameters:

  • i_h – water height

  • i_hu – water momentum

virtual t_real getHeight(t_real i_x, t_real) const

Gets the water height at a given point.

Parameters:

i_x – x-coordinate of the queried point.

Returns:

height at the given point.

virtual t_real getMomentumX(t_real i_x, t_real) const

Gets the momentum in x-direction.

Parameters:

i_x – x-coordinate of the queried point.

Returns:

momentum in x-direction.

virtual t_real getMomentumY(t_real, t_real) const

Gets the momentum in y-direction.

Returns:

momentum in y-direction.

virtual t_real getBathymetry(t_real i_x, t_real) const

Gets the bathymetry

Parameters:

i_x – x-coordinate of the queried point.

Returns:

bathymetry.

Private Members

t_real m_height = 0

height

t_real m_momentum = 0

momentum

class Supercritical1d : public tsunami_lab::setups::Setup
#include <Supercritical1d.h>

Public Functions

Supercritical1d(t_real i_h, t_real i_hu)

Constructor.

Author

Luca-Philipp Grumbach

Author

Richard Hofmann

Description

one-dimensional supercritical problem

Parameters:

  • i_h – water height

  • i_hu – water momentum

virtual t_real getHeight(t_real i_x, t_real) const

Gets the water height at a given point.

Parameters:

i_x – x-coordinate of the queried point.

Returns:

height at the given point.

virtual t_real getMomentumX(t_real i_x, t_real) const

Gets the momentum in x-direction.

Parameters:

i_x – x-coordinate of the queried point.

Returns:

momentum in x-direction.

virtual t_real getMomentumY(t_real, t_real) const

Gets the momentum in y-direction.

Returns:

momentum in y-direction.

virtual t_real getBathymetry(t_real i_x, t_real) const

Gets the bathymetry

Parameters:

i_x – x-coordinate of the queried point.

Returns:

bathymetry.

Private Members

t_real m_height = 0

height

t_real m_momentum = 0

momentum

class TsunamiEvent1d : public tsunami_lab::setups::Setup
#include <TsunamiEvent1d.h>

Public Functions

TsunamiEvent1d(const std::string &i_file)

Constructor

Author

Luca-Philipp Grumbach

Author

Richard Hofmann

Description

Implementation of One-dimensional Tsunami event

Parameters:

i_file – csv file path containing bathymetry data.

~TsunamiEvent1d()

Destructor which frees all allocated memory.

virtual t_real getHeight(t_real, t_real) const

Gets the water height at a given point.

Parameters:

i_x – x-coordinate of the queried point.

Returns:

height at the given point.

virtual t_real getMomentumX(t_real, t_real) const

Gets the momentum in x-direction.

Returns:

momentum in x-direction.

virtual t_real getMomentumY(t_real, t_real) const

Gets the momentum in y-direction.

Returns:

momentum in y-direction.

virtual t_real getBathymetry(t_real i_x, t_real) const

Gets the bathymetry

Parameters:

i_x – x-coordinate of the queried point.

Returns:

bathymetry.

t_real computeD(t_real i_x, t_real) const

computes vertical displacement

Returns:

vertical displacement

Private Members

std::vector<tsunami_lab::t_real> *m_bathymetry = nullptr

stores the bathymetry data from the file

int m_bathymetryDataSize = 0

keeps track of the bathymetry data vector size

bool m_fileExists = true

true if the bathymetry file exists

Private Static Attributes

static t_real constexpr m_pi = 3.14159265358979323846

constant for pi

static t_real constexpr m_delta = 20

delta value

class TsunamiEvent2d : public tsunami_lab::setups::Setup
#include <TsunamiEvent2d.h>

2d dam break setup.

Public Functions

TsunamiEvent2d(const char *i_bathymetryPath, const char *i_displacementPath, t_real &o_domainSizeX, t_real &o_domainSizeY, t_real &o_offsetX, t_real &o_offsetY)

Constructor.

Parameters:

  • i_bathymetryPath – path to file containing bathymetry data

  • i_displacementPath – path to file containing bathymetry data

  • o_domainSizeX – size of the domain in x-direction

  • o_domainSizeY – size of the domain in y-direction

  • o_offsetX – offset of the domain in x-direction

  • o_offsetY – offset of the domain in y-direction

~TsunamiEvent2d()

Destructor.

virtual t_real getHeight(t_real i_x, t_real i_y) const

Gets the water height at a given point.

Parameters:

  • i_x – x position

  • i_y – y position

Returns:

height at the given point.

virtual t_real getMomentumX(t_real, t_real) const

Gets the momentum in x-direction.

Returns:

momentum in x-direction.

virtual t_real getMomentumY(t_real, t_real) const

Gets the momentum in y-direction.

Returns:

momentum in y-direction.

virtual t_real getBathymetry(t_real i_x, t_real i_y) const

Gets the bathymetry

Parameters:

  • i_x – x position

  • i_y – y position

Returns:

bathymetry.

Private Functions

t_real getBathymetryFromArray(t_real i_x, t_real i_y) const

gets the value for bathymetry at a point

Parameters:

  • i_x – x position

  • i_y – y position

Returns:

bathymetry value

t_real getDisplacementFromArray(t_real i_x, t_real i_y) const

gets the value for displacement at a point

Parameters:

  • i_x – x position

  • i_y – y position

Returns:

displacment value

Private Members

t_real m_delta = 20

value for delta

const char *m_bathymetryPath

bathymetry file path

const char *m_displacementPath

displacement file path

t_real m_bathymetryOffsetX = 0

offset of the bathymetry domain in x-direction

t_real m_bathymetryOffsetY = 0

offset of the displacement domain in y-direction

t_real m_displacementOffsetX = 0

offset of the displacement domain in x-direction

t_real m_displacementOffsetY = 0

offset of the displacement domain in y-direction

t_real m_bathymetrySampleDistanceX = 0

distance between to bathymetry samples in x-direction

t_real m_bathymetrySampleDistanceXInverse = 0

inverse distance between to bathymetry samples in x-direction

t_real m_bathymetrySampleDistanceY = 0

distance between to bathymetry samples in y-direction

t_real m_bathymetrySampleDistanceYInverse = 0

inverse distance between to bathymetry samples in y-direction

t_real m_displacementSampleDistanceX = 0

distance between to displacement samples in x-direction

t_real m_displacementSampleDistanceXInverse = 0

inverse distance between to displacement samples in x-direction

t_real m_displacementSampleDistanceY = 0

distance between to displacement samples in y-direction

t_real m_displacementSampleDistanceYInverse = 0

inverse distance between to displacement samples in y-direction

t_idx m_nxB = 0

amount of cells bathymetry

t_idx m_nyB = 0
t_real *m_xDataB = nullptr

bathymetry data x

t_real *m_yDataB = nullptr

bathymetry data y

t_real *m_b = nullptr

bathymetry

t_idx m_nxD = 0

amount of cells displacement

t_idx m_nyD = 0
t_real *m_xDataD = nullptr

displacement data x

t_real *m_yDataD = nullptr

displacement data x

t_real *m_d = nullptr

displacement