tdwaveforms.h

// copyright by benedikt oswald, all rights reserved, 2002-2006.
// project - aqhdes2003
// file name - tsource.h
// file type - C include file
// objective - declare functions for time domain waveforms
// creation - 2003 mar 19, benedikt oswald
// modified - 2004 jul 26, benedikt oswald, added carrier modulated gaussian pulse
// required software - UG 3.1 or higher
// rights for UG - cf. paper by Bastian et al., 1997
// file id -
// inheritance - 
// feature - defines functions for time domain waveforms used
// feature - in the benchmark and validation problems

/****************************************************************************/
/*                                                                          */
/* include files                                                            */
/*            system include files                                          */
/*            application include files                                     */
/*                                                                          */
/****************************************************************************/

#ifndef __SIGNALS__
#define __SIGNALS__

#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include "gm.h"              /* for data structure               */
#include "ugstruct.h"        /* for GetStringValue               */
#include "misc.h"            /* for MIN, MAX, PI, ...            */
#include "ugdevices.h"       /* for UserWrite, PrintErrorMessage */ 
#include "commands.h"        /* for GetCurrentMultigrid          */
#include "cmdint.h"          /* for CreateCommand                */
#include "cmdint.h"          /* for CreateCommand                */
#include "cmdline.h"         /* for command line processing      */
#include "general.h"         /* for general desclarations        */
#include "np.h"              /* for NUMPROC implementation       */
#include "assemble.h"        /* for CreateCLASS implementation   */

#include "compiler.h"
#include "namespace.h"

USING_UG_NAMESPACE
USING_UGDIM_NAMESPACE

// following three defines are kept for legacy reasons, used only in explicit solver
#define E0 1.0
#define TSHIFTGAUSSIAN 10.0e-9
#define SGAUSSIAN 2.0e-9


DOUBLE gaussian(DOUBLE amplitude,
                DOUBLE t,
                DOUBLE t0,
                DOUBLE s);

DOUBLE ddt1gaussian(DOUBLE amplitude,
                    DOUBLE t,
                    DOUBLE t0,
                    DOUBLE s);

DOUBLE neumann(DOUBLE amplitude,
               DOUBLE t,
               DOUBLE t0,
               DOUBLE s);

DOUBLE ddt1neumann(DOUBLE amplitude,
                   DOUBLE t,
                   DOUBLE t0,
                   DOUBLE s);

DOUBLE modgauss(DOUBLE amplitude,
                DOUBLE t,
                DOUBLE t0,
                DOUBLE s,
                DOUBLE f0);

DOUBLE ddt1modgauss(DOUBLE amplitude,
                    DOUBLE t,
                    DOUBLE t0,
                    DOUBLE s,
                    DOUBLE f0);

#endif /* __SIGNALS__ */

---