emSourcePlaneWaveGrid Class Reference

Class that provides fields as a solution of 1-D FDTD equation at any given point and time for plane wave source with specified location, direction and polarization. More...

#include <radiation.h>

Inheritance diagram for emSourcePlaneWaveGrid:

Collaboration diagram for emSourcePlaneWaveGrid:

Public Member Functions
virtual int	GetFieldsShift () const override
	Get the time shift between E and H fields in half time steps Default (analytic) wave has zero shift.
virtual int	set_sync_hsteps (int sync_hsteps) override
	Sets the number of half time steps between synchronizations (for descrete LRNLA algorithms).
void	set_vfields_tx (Vector_3 &E, Vector_3 &H) override
	Main function to get fileds, takes imaginary part of the impulse as a second polarization.
void	Step (int field) override
	To use from two-stage leap-frog timestepping.
emFixTFSF *	get_packer (EmtypePtr_t data) override
	used while packing tf/sf coeffs
cvaltype	mix_source_value (valtype coeff, int ind, int adv_timehsteps) const
	normally it is coeff*F[ind]+(1.-coeff)*F[ind+1]
Public Member Functions inherited from emSourcePlaneWaveExact
	emSourcePlaneWaveExact (int fft_dir, const Vector_3 &origin, const Vector_3 &k, const Vector_3 &sE, mngarg< emSpaceImpulse > simpulse, valtype dt)
	sets the location of the source and E polarization direction vector.

Protected Member Functions
int	create_projection (int field, const Vector_3 &fdir, cvaltype &proj) const
	explicit field update coefs for PML

Protected Attributes
cvaltype *	FPML
	field pointer
int	N
	field in PML pointer
int	NPML
	number of meshpoints (except PML)
valtype	length
	number of meshpoints on PML
valtype	dr
	length of 1D gird (except PML)
mngptr< emPMLFunction >	PMLfunction
	1D gird space and time increments
valtype	c1 [2]
	sigma dependence
valtype *	CaPML
	explicit field update coefs
valtype	tshifti = 0
	initial time shift
Protected Attributes inherited from emSourcePlaneWaveExact
mngptr< emSpaceImpulse >	impulse
	Polarization direction vectors.

Detailed Description

Class that provides fields as a solution of 1-D FDTD equation at any given point and time for plane wave source with specified location, direction and polarization.

Requires limited number of impulse function evaluations only in course of time propagation.

Member Function Documentation

GetFieldsShift()

virtual int emSourcePlaneWaveGrid::GetFieldsShift ( ) const

inlineoverridevirtual

Get the time shift between E and H fields in half time steps Default (analytic) wave has zero shift.

Grid wave has shift of -1 (-dt/2)

Reimplemented from emSourceWave.

set_sync_hsteps()

virtual int emSourcePlaneWaveGrid::set_sync_hsteps ( int  sync_hsteps )

inlineoverridevirtual

Sets the number of half time steps between synchronizations (for descrete LRNLA algorithms).

Returns

1 if set, 0 otherwise (not supported)

Reimplemented from emSourceWave.

Step()

void emSourcePlaneWaveGrid::Step ( int  field )

overridevirtual

To use from two-stage leap-frog timestepping.

!!!

Reimplemented from emSourceWave.

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The documentation for this class was generated from the following file:

• radiation.h