public void TestThrowsWhenNodeIsNotConnectedToGround()
{
builder.AddResistor(1, 0, 1);
builder.AddResistor(1, 2, 2);
builder.AddResistor(0, 2, 3);
builder.AddCurrentSource(1, 0, 5);
// add device 'far away'
builder.AddResistor(3, 4, 3);
// builder.BuildCircuit();
Assert.Throws <NoDcPathToGroundException>(() => builder.BuildCircuit());
}
public static void LiveSimExample()
{
var builder = new CircuitBuilder();
builder
.AddVoltageSource(1, 0, new SinusoidalBehavior
{
Amplitude = 5,
Frequency = 1e3
})
.AddCapacitor(1, 2, 0.125, null, "C1")
.AddResistor(2, 0, 1);
var m1 = builder.BuildCircuit().GetLargeSignalModel();
m1.EstablishDcBias();
Console.WriteLine("Time V_1 V_2");
var timestep = 10e-6;
while (m1.CurrentTimePoint <= 1e-3)
{
var time = m1.CurrentTimePoint;
Console.WriteLine($"{time} {m1.NodeVoltages[1]} {m1.NodeVoltages[2]}");
m1.AdvanceInTime(timestep);
}
builder.AddCapacitor(2, 0, 0.125, null, "C2");
var m2 = builder.BuildCircuit().GetLargeSignalModel();
var c1 = (LargeSignalCapacitor)m1.FindDevice("C1");
var intprop = typeof(LargeSignalCapacitor).GetProperty("IntegrationMethod",
BindingFlags.Instance | BindingFlags.NonPublic);
intprop.SetValue(m2.FindDevice("C1"), intprop.GetValue(c1));
var ctxprop =
typeof(LargeSignalCircuitModel).GetField("context", BindingFlags.Instance | BindingFlags.NonPublic);
var ctx = (ISimulationContext)ctxprop.GetValue(m1);
// too complex not worth it
var tpprop = ctx.GetType().GetProperty("TimePoint", BindingFlags.NonPublic | BindingFlags.Instance);
tpprop.SetValue(ctxprop.GetValue(m2), ctx.TimePoint);
}
public static void ResistorSweep()
{
var builder = new CircuitBuilder();
builder
.AddVoltageSource(1, 0, 12, "VS")
.AddResistor(0, 2, 10)
.AddResistor(1, 2, 10)
.AddResistor(2, 3, 5)
.AddResistor(1, 3, 5, "R1");
var circuit = builder.BuildCircuit();
var model = circuit.GetLargeSignalModel();
var vsouce = (ITwoTerminalLargeSignalDevice)model.FindDevice("VS");
var res = (Resistor)circuit.FindDevice("R1");
// sweep for values from 1 Ohm to 15 Ohm
for (var i = 1; i <= 15; i++)
{
res.Resistance = i + 1; // set resistance
// calculate
model.EstablishDcBias();
var v1 = model.NodeVoltages[1];
var v2 = model.NodeVoltages[2];
var v3 = model.NodeVoltages[3];
var iV = vsouce.Current;
// print values
Console.WriteLine($"{i + 1}Ohm: {v1}V {v2}V {v3}V {iV}A");
}
}
public SimulationData Simulate(List <InitialSwitchState> initialSwitchStates, List <InitialGeneratorState> initialGeneratorStates)
{
var simulation = new Simulation(totalSteps);
var builder = new CircuitBuilder(circuitData, simulation);
var circuit = builder.BuildCircuit();
circuit.SetSwiches(initialSwitchStates);
circuit.SetGenerators(initialGeneratorStates);
var results = RunSimulation(simulation);
return(results);
}
public void LoadFile(string file)
{
if (!string.IsNullOrEmpty(file))
{
_circuitBuilder = new CircuitBuilder();
FileStream fileStream = new FileStream(file, FileMode.Open);
List <ParserData> parserData = _parserFactory.ReturnParser(file).Parse(file, fileStream);
_modelController.SetCircuit(_circuitBuilder?.BuildCircuit(parserData, ShowErrorPopup));
_viewController.DrawFrame(_modelController.GetNodes());
Program.log.Invoke("> Loaded circuit");
}
}
public static void Simple()
{
// requires NextGenSpice.Core.Circuit and
// NextGenSpice.Core.Devices namespace
var builder = new CircuitBuilder();
builder
.AddDevice(new[] { 1, 0 }, new VoltageSource(12, "VS"))
.AddDevice(new[] { 0, 2 }, new Resistor(10))
.AddDevice(new[] { 1, 2 }, new Resistor(10))
.AddDevice(new[] { 2, 3 }, new Resistor(5))
.AddDevice(new[] { 1, 3 }, new Resistor(5));
var circuit = builder.BuildCircuit();
// var builder = new CircuitBuilder();
// builder
// .AddVoltageSource(1, 0, 12)
// .AddResistor(0, 2, 10)
// .AddResistor(1, 2, 10)
// .AddResistor(2, 3, 5)
// .AddResistor(1, 3, 5);
// var circuit = builder.BuildCircuit();
var model = circuit.GetLargeSignalModel();
// equivalent to
var m = AnalysisModelCreator
.Instance.Create <LargeSignalCircuitModel>(circuit);
// builder
// .AddVoltageSource(1, 0, 12, "VS")
//// .AddDevice(new[] { 1, 0 }, new VoltageSourceDevice(12, "VS"))
//// ...
model.EstablishDcBias();
Console.WriteLine(model.NodeVoltages[1]); // 12 V
Console.WriteLine(model.NodeVoltages[2]); // 8 V
Console.WriteLine(model.NodeVoltages[3]); // 10 V
// equivalent to
// var vsource = (ITwoTerminalLargeSignalDevice) model.Devices.Single(
// dev => dev.DefinitionDevice.Tag.Equals("VS"));
var vsouce = (ITwoTerminalLargeSignalDevice)model.FindDevice("VS");
Console.WriteLine(vsouce.Current); // -0.8 V
}
static void Main(string[] args)
{
var nodeFactory = NodeFactory.GetInstance;
nodeFactory
.RegisterStrategy <InputStrategy>("input_high", "input_low")
.RegisterStrategy <ProbeStrategy>("probe")
.RegisterStrategy <NotStrategy>("not")
.RegisterStrategy <AndStrategy>("and")
.RegisterStrategy <OrStrategy>("or")
.RegisterStrategy <NorStrategy>("nor")
.RegisterStrategy <NandStrategy>("nand")
.RegisterStrategy <XorStrategy>("xor");
var(nodes, edges) = FileParser.ParseFile(FileReader.ReadFile("Circuit3_Encoder"));
var circuitBuilder = new CircuitBuilder();
circuitBuilder.BuildNodes(nodes);
circuitBuilder.BuildEdges(edges);
var circuit = circuitBuilder.BuildCircuit();
var watch = new Stopwatch();
watch.Start();
circuit.Simulate();
watch.Stop();
Console.Out.WriteLine($"Propagation delay: {circuit.ExecutionTime()} nanoseconds");
foreach (var test in circuit.OutputNodes)
{
Console.Out.WriteLine($"{test.Name}.Output = {test.Output}");
}
}
private static void Simple2()
{
var builder = new CircuitBuilder();
builder
.AddVoltageSource(1, 0, 12, "VS")
.AddResistor(0, 2, 10)
.AddResistor(1, 2, 10)
.AddResistor(2, 3, 5)
.AddResistor(1, 3, 5);
var circuit = builder.BuildCircuit();
var model = circuit.GetLargeSignalModel();
model.EstablishDcBias();
Console.WriteLine(model.NodeVoltages[1]); // 12 V
Console.WriteLine(model.NodeVoltages[2]); // 8 V
Console.WriteLine(model.NodeVoltages[3]); // 10 V
var vsouce = (ITwoTerminalLargeSignalDevice)model.FindDevice("VS");
Console.WriteLine(vsouce.Current); // -0.8 V
}