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Diffstat (limited to 'src/electronics/simulation/voltagesource.cpp')
-rw-r--r-- | src/electronics/simulation/voltagesource.cpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/electronics/simulation/voltagesource.cpp b/src/electronics/simulation/voltagesource.cpp new file mode 100644 index 0000000..b4fca64 --- /dev/null +++ b/src/electronics/simulation/voltagesource.cpp @@ -0,0 +1,77 @@ +/*************************************************************************** + * Copyright (C) 2003-2004 by David Saxton * + * david@bluehaze.org * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + ***************************************************************************/ + +#include "matrix.h" +#include "voltagesource.h" +#include "elementset.h" + +VoltageSource::VoltageSource( const double voltage ) + : Element::Element() +{ + m_v = voltage; + m_numCBranches = 1; + m_numCNodes = 2; +} + +VoltageSource::~VoltageSource() +{ +} + +void VoltageSource::setVoltage( const double v ) +{ + if ( m_v == v ) return; + + if (p_eSet) + p_eSet->setCacheInvalidated(); + + m_v = v; + add_initial_dc(); +} + + +void VoltageSource::add_map() +{ + if (!b_status) return; + + if ( !p_cnode[0]->isGround ) + { + p_A->setUse_b( p_cnode[0]->n(), p_cbranch[0]->n(), Map::et_constant, true ); + p_A->setUse_c( p_cbranch[0]->n(), p_cnode[0]->n(), Map::et_constant, true ); + } + + if ( !p_cnode[1]->isGround ) + { + p_A->setUse_b( p_cnode[1]->n(), p_cbranch[0]->n(), Map::et_constant, true ); + p_A->setUse_c( p_cbranch[0]->n(), p_cnode[1]->n(), Map::et_constant, true ); + } +} + + +void VoltageSource::add_initial_dc() +{ + if (!b_status) + return; + + A_b( 0, 0 ) = -1; + A_c( 0, 0 ) = -1; + A_b( 1, 0 ) = 1; + A_c( 0, 1 ) = 1; + + b_v( 0 ) = m_v; +} + +void VoltageSource::updateCurrents() +{ + if (!b_status) return; + m_cnodeI[0] = p_cbranch[0]->i; + m_cnodeI[1] = -m_cnodeI[0]; +} + + |