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vac.cpp
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1 /*
2  * vac.cpp - AC voltage source class implementation
3  *
4  * Copyright (C) 2003, 2004, 2006, 2007, 2008 Stefan Jahn <stefan@lkcc.org>
5  *
6  * This is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2, or (at your option)
9  * any later version.
10  *
11  * This software is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this package; see the file COPYING. If not, write to
18  * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  *
21  * $Id$
22  *
23  */
24 
25 #if HAVE_CONFIG_H
26 # include <config.h>
27 #endif
28 
29 #include "component.h"
30 #include "vac.h"
31 
32 using namespace qucs;
33 
34 vac::vac () : circuit (2) {
35  type = CIR_VAC;
36  setVSource (true);
37  setVoltageSources (1);
38 }
39 
40 void vac::initSP (void) {
41  allocMatrixS ();
42  setS (NODE_1, NODE_1, 0.0);
43  setS (NODE_1, NODE_2, 1.0);
44  setS (NODE_2, NODE_1, 1.0);
45  setS (NODE_2, NODE_2, 0.0);
46 }
47 
48 void vac::initDC (void) {
49  allocMatrixMNA ();
51 }
52 
53 void vac::initAC (void) {
54  initDC ();
55  nr_double_t a = getPropertyDouble ("U");
56  nr_double_t p = getPropertyDouble ("Phase");
57  setE (VSRC_1, qucs::polar (a, rad (p)));
58 }
59 
60 void vac::initTR (void) {
61  initDC ();
62 }
63 
64 void vac::calcTR (nr_double_t t) {
65  nr_double_t f = getPropertyDouble ("f");
66  nr_double_t p = getPropertyDouble ("Phase");
67  nr_double_t d = getPropertyDouble ("Theta");
68  nr_double_t a = getPropertyDouble ("U");
69  nr_double_t s = getNet()->getSrcFactor ();
70  nr_double_t o = 2 * M_PI * f;
71  nr_double_t T = p / f / 360;
72  nr_double_t u = s * a * std::exp (-(t + T) * d * f) * std::sin (o * t + rad (p));
73  setE (VSRC_1, u);
74 }
75 
76 void vac::initHB (void) {
78  allocMatrixMNA ();
80 }
81 
82 void vac::calcHB (nr_double_t frequency) {
83  nr_double_t f = getPropertyDouble ("f");
84  if (f == frequency) {
85  nr_double_t a = getPropertyDouble ("U");
86  nr_double_t p = getPropertyDouble ("Phase");
87  setE (VSRC_1, qucs::polar (a, rad (p)));
88  }
89  else {
90  setE (VSRC_1, 0);
91  }
92 }
93 
94 // properties
95 PROP_REQ [] = {
96  { "U", PROP_REAL, { 1, PROP_NO_STR }, PROP_NO_RANGE }, PROP_NO_PROP };
97 PROP_OPT [] = {
98  { "Phase", PROP_REAL, { 0, PROP_NO_STR }, PROP_RNGII (-360, 360) },
99  { "Theta", PROP_REAL, { 0, PROP_NO_STR }, PROP_POS_RANGE },
100  { "f", PROP_REAL, { 1e9, PROP_NO_STR }, PROP_POS_RANGE },
101  PROP_NO_PROP };
102 struct define_t vac::cirdef =
#define PROP_POS_RANGE
Definition: netdefs.h:129
#define NODE_2
Definition: circuit.h:35
nr_double_t getSrcFactor(void)
Definition: net.h:87
void initDC(void)
Definition: vac.cpp:48
#define PROP_RNGII(f, t)
Definition: netdefs.h:138
Definition: vac.cpp:102
void initSP(void)
placehoder for S-Parameter initialisation function
Definition: vac.cpp:40
#define PROP_DEF
Definition: netdefs.h:189
void calcHB(nr_double_t)
Definition: vac.cpp:82
nr_double_t getPropertyDouble(const char *)
Definition: object.cpp:176
#define PROP_REAL
Definition: netdefs.h:174
t
Definition: parse_vcd.y:290
#define PROP_NO_PROP
Definition: netdefs.h:122
void setVoltageSources(int)
Definition: circuit.cpp:607
#define PROP_NO_RANGE
Definition: netdefs.h:126
#define PROP_NO_STR
Definition: netdefs.h:125
void allocMatrixS(void)
Definition: circuit.cpp:251
#define PROP_LINEAR
Definition: netdefs.h:120
#define VSRC_1
Definition: circuit.h:40
void initAC(void)
Definition: vac.cpp:53
nr_complex_t sin(const nr_complex_t z)
Compute complex sine.
Definition: complex.cpp:66
#define PROP_COMPONENT
Definition: netdefs.h:116
net * getNet(void)
Definition: circuit.h:173
void setE(int, nr_complex_t)
Definition: circuit.cpp:385
void initHB(void)
Definition: vac.cpp:76
#define M_PI
Archimedes' constant ( )
Definition: consts.h:47
#define rad(x)
Convert degree to radian.
Definition: constants.h:118
type
Definition: parse_vcd.y:164
void calcTR(nr_double_t)
Definition: vac.cpp:64
void allocMatrixMNA(void)
Definition: circuit.cpp:267
PROP_OPT[]
Definition: vac.cpp:97
void initTR(void)
Definition: vac.cpp:60
#define NODE_1
Definition: circuit.h:34
void voltageSource(int, int, int, nr_double_t value=0.0)
Definition: circuit.cpp:748
nr_complex_t exp(const nr_complex_t z)
Compute complex exponential.
Definition: complex.cpp:205
void setS(int, int, nr_complex_t)
Definition: circuit.cpp:587
nr_complex_t polar(const nr_double_t mag, const nr_double_t ang)
Construct a complex number using polar notation.
Definition: complex.cpp:551
PROP_REQ[]
Definition: vac.cpp:95
#define PROP_NO_SUBSTRATE
Definition: netdefs.h:118