hydro.h File Reference

#include "adiabatic_index.h"
#include "approx_math.h"
#include "cosmology.h"
#include "dimension.h"
#include "entropy_floor.h"
#include "equation_of_state.h"
#include "hydro_parameters.h"
#include "hydro_properties.h"
#include "kernel_hydro.h"
#include "minmax.h"

Include dependency graph for hydro.h:

Go to the source code of this file.

Functions
	__attribute__ ((always_inline)) INLINE static float hydro_get_comoving_internal_energy(const struct part *restrict p
	Returns the comoving internal energy of a particle at the last time the particle was kicked.

Variables
const struct xpart *restrict	xp
const struct xpart *restrict const struct cosmology *	cosmo
float	m
float	du_dt
struct xpart const struct cosmology const float	entropy
xp	u_full = gas_internal_energy_from_entropy(p->rho, comoving_entropy)
struct xpart const struct cosmology const float	u
const struct cosmology const struct pressure_floor_props *	pressure_floor
const float	pressure = gas_pressure_from_internal_energy(p->rho, p->u)
const float	soundspeed = gas_soundspeed_from_pressure(p->rho, pressure)
p force	v_sig = MAX(p->force.v_sig, 2.f * soundspeed)
const struct cosmology const float	dv_phys

Function Documentation

__attribute__()

__attribute__

(

(always_inline)

)

const

Returns the comoving internal energy of a particle at the last time the particle was kicked.

Update the value of the viscosity alpha for the scheme.

Correct the signal velocity of the particle partaking in supernova (kinetic) feedback based on the velocity kick the particle receives.

Sets the drifted physical internal energy of a particle.

Sets the physical internal energy of a particle.

Sets the physical entropy of a particle.

Sets the time derivative of the co-moving internal energy of a particle.

Returns the time derivative of internal energy of a particle.

Returns the time derivative of co-moving internal energy of a particle.

Sets the mass of a particle.

Returns the mass of a particle.

Returns the comoving density of a particle.

Returns the physical sound speed of a particle.

Returns the comoving sound speed of a particle.

Returns the physical entropy of a particle drifted to the current time.

Returns the comoving entropy of a particle drifted to the current time.

Returns the physical entropy of a particle at the last time the particle was kicked.

Returns the comoving entropy of a particle at the last time the particle was kicked.

Returns the physical pressure of a particle.

Returns the comoving pressure of a particle.

Returns the physical internal energy of a particle drifted to the current time.

Returns the comoving internal energy of a particle drifted to the current time.

Returns the physical internal energy of a particle at the last time the particle was kicked.

Parameters

p	The particle of interest
xp	The extended data of the particle of interest.
p	The particle of interest.
xp	The extended data of the particle of interest.
cosmo	The cosmological model.
p	The particle of interest
p	The particle of interest.
cosmo	The cosmological model.

Computes the pressure based on the particle's properties.

Parameters

p	The particle of interest

Computes the pressure based on the particle's properties and convert it to physical coordinates.

Parameters

p	The particle of interest
cosmo	The cosmological model.
p	The particle of interest.
xp	The extended data of the particle of interest.
p	The particle of interest.
p	The particle of interest
cosmo	The cosmological model.
p	The particle of interest
m	The mass to set.

We assume a constant density.

Parameters

p	The particle of interest

We assume a constant density.

Parameters

p	The particle of interest
cosmo	Cosmology data structure

We assume a constant density for the conversion to entropy.

Parameters

p	The particle of interest.
du_dt	The new time derivative of the internal energy.

We assume a constant density.

Parameters

p	The particle of interest.
cosmo	Cosmology data structure
du_dt	The new time derivative of the internal energy.
p	The particle of interest.
xp	The extended particle data.
cosmo	Cosmology data structure
entropy	The physical entropy
p	The particle of interest.
xp	The extended particle data.
cosmo	Cosmology data structure
u	The physical internal energy
p	The particle of interest.
cosmo	Cosmology data structure
u	The physical internal energy
p	The particle of interest.
cosmo	Cosmology data structure
dv_phys	The velocity kick received by the particle expressed in physical units (note that dv_phys must be positive or equal to zero)
p	the particle of interest
alpha	the new value for the viscosity coefficient.

Definition at line 85 of file hydro.h.

Variable Documentation

cosmo

const struct cosmology * cosmo

Initial value:

{
 
  return xp->u_full * cosmo->a_factor_internal_energy

Definition at line 74 of file hydro.h.

Referenced by runner_do_ghost().

du_dt

const struct cosmology float du_dt

Initial value:

{
 
  p->u_dt = du_dt

Definition at line 300 of file hydro.h.

dv_phys

const struct cosmology const float dv_phys

Initial value:

{
 
  
  const float dv = dv_phys / cosmo->a_factor_sound_speed

Definition at line 394 of file hydro.h.

entropy

struct xpart const struct cosmology const float entropy

Initial value:

{
 
  
  const float comoving_entropy = entropy

Definition at line 332 of file hydro.h.

m

float m

Initial value:

{
 
  p->mass = m

Definition at line 257 of file hydro.h.

Referenced by applications::exahype2::euler::sphericalaccretion::SSInfall::add_mass(), examples::exahype2::mgccz4::admconstraints(), applications::exahype2::ccz4::admconstraints(), TP::TwoPunctures::allocate_derivs(), TP::Utilities::chebev(), TP::chebev_wrec(), Numerics::create_local_basis(), TP::TwoPunctures::free_derivs(), TP::Utilities::free_dmatrix(), TP::Utilities::free_imatrix(), TP::error::incase(), ContextCurvilinear< Shortcuts, basisSize >::initUnknownsPatch(), ContextDiffuse< Shortcuts, basisSize >::initUnknownsPatch(), ContextDiffuse< Shortcuts, basisSize >::initUnknownsPointwise(), Interpolation(), TP::TwoPunctures::LineRelax_al(), TP::TwoPunctures::LineRelax_be(), applications::exahype2::ccz4::ncp(), examples::exahype2::mgccz4::ncp(), kernels::idx5::operator()(), applications::exahype2::ccz4::Psi4Calc(), TP::recurrence(), TP::TwoPunctures::resid(), Numerics::rotate_into_orthogonal_basis(), Numerics::rotate_into_physical_basis(), applications::exahype2::ccz4::source(), examples::exahype2::mgccz4::source(), TP::TwoPunctures::SpecCoef(), applications::exahype2::ccz4::TestingOutput(), applications::exahype2::ccz4::ThetaOutputNCP(), applications::exahype2::swe::TopologyParser::transformIndexCDFRangeToArray(), applications::exahype2::swe::TopologyParser::transformIndexSimulationToCDFRange(), and TP::error::unless().

pressure

p force pressure = gas_pressure_from_internal_energy(p->rho, p->u)

Definition at line 372 of file hydro.h.

pressure_floor

const struct cosmology const struct pressure_floor_props* pressure_floor

Definition at line 365 of file hydro.h.

Referenced by runner_do_ghost().

soundspeed

const float soundspeed = gas_soundspeed_from_pressure(p->rho, pressure)

Definition at line 373 of file hydro.h.

Referenced by swift2::kernels::legacy::hydro_predict_extra(), swift2::kernels::legacy::hydro_prepare_force(), swift2::kernels::legacy::hydro_reset_predicted_values(), and benchmarks::swift2::hydro::kernel_throughput::initNohProblemIC().

u

const struct cosmology const struct pressure_floor_props const float u

Initial value:

{
 
  xp->u_full = u / cosmo->a_factor_internal_energy

Definition at line 350 of file hydro.h.

u_full

xp u_full = gas_internal_energy_from_entropy(p->rho, comoving_entropy)

Definition at line 336 of file hydro.h.

v_sig

p force v_sig = MAX(p->force.v_sig, 2.f * soundspeed)

Definition at line 379 of file hydro.h.

Referenced by swift2::kernels::legacy::force_kernel(), and swift2::kernels::legacy::hydro_compute_timestep().

xp

struct xpart * xp

Initial value:

{
 
  return xp->u_full

Definition at line 58 of file hydro.h.

Referenced by TP::TwoPunctures::Interpolate(), and runner_do_ghost().