heat2.cc File Reference

Example Green function for the 3D heat equation with a linear term. More...

#include <madness/mra/mra.h>
#include <madness/mra/operator.h>
#include <madness/constants.h>

Include dependency graph for heat2.cc:

Classes
class	uexact
struct	unaryexp< T, NDIM >

Functions
int	main (int argc, char **argv)
static double	uinitial (const coord_3d &r)
static double	Vp (const coord_3d &r)

Variables
static const double	alpha = 1.9
static const double	c = 2.0
static const long	k = 8
static const double	L = 20
static const double	thresh = 1e-6
static const double	tstep = 0.1
static const double	VVV = 0.2

Detailed Description

Example Green function for the 3D heat equation with a linear term.

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

References c, SafeMPI::COMM_WORLD, madness::WorldGopInterface::fence(), madness::finalize(), madness::World::gop, madness::initialize(), k, L, madness::Function< T, NDIM >::norm2(), madness::constants::pi, pow(), madness::print(), madness::World::rank(), madness::Function< T, NDIM >::scale(), madness::FunctionDefaults< NDIM >::set_autorefine(), madness::FunctionDefaults< NDIM >::set_cubic_cell(), madness::FunctionDefaults< NDIM >::set_k(), madness::FunctionDefaults< NDIM >::set_refine(), madness::FunctionDefaults< NDIM >::set_thresh(), madness::startup(), thresh, madness::Function< T, NDIM >::trace(), madness::Function< T, NDIM >::truncate(), tstep, u(), uinitial(), madness::Function< T, NDIM >::unaryop(), and Vp().

uinitial()

static double uinitial ( const coord_3d &  r )

static

References alpha, madness::constants::pi, and pow().

Referenced by main().

Vp()

static double Vp ( const coord_3d &  r )

static

References VVV.

Referenced by main().

Variable Documentation

alpha

const double alpha = 1.9

static

Referenced by uexact::operator()(), uexact::operator()(), and uinitial().

c

const double c = 2.0

static

Referenced by main(), uexact::operator()(), and uexact::operator()().

k

const long k = 8

static

Referenced by main().

L

const double L = 20

static

Referenced by main().

thresh

const double thresh = 1e-6

static

Referenced by main().

tstep

const double tstep = 0.1

static

Referenced by main().

VVV

const double VVV = 0.2

static

Referenced by uexact::operator()(), and Vp().