Translate russian captions.
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@ -26,7 +26,8 @@ class SimulationManager() {
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/**
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* A supplier for random generator. Each track has its own generator
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*/
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var generatorFactory: (Long) -> UniformRandomProvider = { RandomSource.create(RandomSource.MT_64, seedGenerator.nextInt()) }
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var generatorFactory: (Long) -> UniformRandomProvider =
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{ RandomSource.create(RandomSource.MT_64, seedGenerator.nextInt()) }
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var reportFilter: (Simulator.SimulationResult) -> Boolean = { it.state == Simulator.EndState.ACCEPTED }
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var initialE = 18000.0
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@ -107,26 +108,35 @@ class SimulationManager() {
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val outputPath = outputDirectory.toPath().resolve("$fileName.out")
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PrintStream(Files.newOutputStream(outputPath, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE)).use { output ->
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PrintStream(
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Files.newOutputStream(
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outputPath,
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StandardOpenOption.CREATE,
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StandardOpenOption.TRUNCATE_EXISTING,
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StandardOpenOption.WRITE
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)
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).use { output ->
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output.println("# " + header.replace("\n", "\n# "))//adding comment symbols
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System.out.printf("%nStarting simulation with initial energy %g and %d electrons.%n%n", initialE, num.toLong())
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System.out.printf("%nStarting simulation with initial energy %g and %d electrons.%n%n",
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initialE,
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num.toLong())
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output.printf("%s\t%s\t%s\t%s\t%s\t%s\t%s%n", "id", "E", "theta", "theta_start", "colNum", "L", "state")
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LongStream.rangeClosed(1, num.toLong()).parallel()
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.mapToObj { id ->
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val generator = RandomGeneratorBridge(generatorFactory(id))
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val theta = Math.acos(1 - 2 * generator.nextDouble())// from 0 to Pi
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val z = (generator.nextDouble() - 0.5) * Simulator.SOURCE_LENGTH
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simulator.simulate(id, generator, initialE, theta, z).also { counter.count(it) }
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}
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.filter(reportFilter)
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.forEach { res ->
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printOne(output, res)
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}
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LongStream.rangeClosed(1, num.toLong()).parallel().mapToObj { id ->
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val generator = RandomGeneratorBridge(generatorFactory(id))
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val theta = Math.acos(1 - 2 * generator.nextDouble())// from 0 to Pi
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val z = (generator.nextDouble() - 0.5) * Simulator.SOURCE_LENGTH
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simulator.simulate(id, generator, initialE, theta, z).also { counter.count(it) }
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}.filter(reportFilter).forEach { res ->
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printOne(output, res)
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}
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}
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val statisticsPath = outputDirectory.toPath().resolve("$fileName.stat")
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PrintStream(Files.newOutputStream(statisticsPath, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE)).use {
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PrintStream(Files.newOutputStream(statisticsPath,
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StandardOpenOption.CREATE,
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StandardOpenOption.TRUNCATE_EXISTING,
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StandardOpenOption.WRITE)).use {
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it.println(header + "\n")
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printStatistics(it, simulator, counter)
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@ -155,7 +165,14 @@ class SimulationManager() {
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}
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private fun printOne(out: PrintStream, res: Simulator.SimulationResult) {
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out.printf("%d\t%g\t%g\t%g\t%d\t%g\t%s%n", res.id, res.E, res.theta * 180 / Math.PI, res.initTheta * 180 / Math.PI, res.collisionNumber, res.l, res.state.toString())
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out.printf("%d\t%g\t%g\t%g\t%d\t%g\t%s%n",
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res.id,
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res.E,
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res.theta * 180 / Math.PI,
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res.initTheta * 180 / Math.PI,
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res.collisionNumber,
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res.l,
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res.state.toString())
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out.flush()
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}
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@ -29,11 +29,10 @@ class Simulator(
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) {
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enum class EndState {
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ACCEPTED, //трэппинговый электрон попал в аксептанс
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REJECTED, //трэппинговый электрон вылетел через заднюю пробку
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LOWENERGY, //потерял слишком много энергии
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PASS, //электрон никогда не запирался и прошел напрямую, нужно для нормировки
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ACCEPTED, // escaped to the spectrometer
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REJECTED, // escaped to the rear side
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LOWENERGY, // energy below lower border
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PASS, // Electron never trapped
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NONE
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}
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@ -45,7 +44,7 @@ class Simulator(
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* @return
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*/
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private fun scatter(pos: State): State {
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//Вычисляем сечения и нормируем их на полное сечение
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//Computing cross-sections and normalizing them
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var sigmaIon = Scatter.sigmaion(pos.e)
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var sigmaEl = Scatter.sigmael(pos.e)
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var sigmaExc = Scatter.sigmaexc(pos.e)
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@ -54,20 +53,19 @@ class Simulator(
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sigmaEl /= sigmaTotal
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sigmaExc /= sigmaTotal
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//проверяем нормировку
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//Checking norming
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assert(Precision.equals(sigmaEl + sigmaExc + sigmaIon, 1.0, 1e-2))
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val alpha = pos.generator.nextDouble()
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val delta: Pair<Double, Double> = when {
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alpha < sigmaEl -> Scatter.randomel(pos.e, pos.generator)// elastic
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alpha > sigmaEl + sigmaExc -> Scatter.randomion(pos.e, pos.generator)//ionization case
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else -> Scatter.randomexc(pos.e, pos.generator)//excitation case
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alpha < sigmaEl -> Scatter.randomel(pos.e, pos.generator) // elastic
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alpha > sigmaEl + sigmaExc -> Scatter.randomion(pos.e, pos.generator) //ionization case
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else -> Scatter.randomexc(pos.e, pos.generator) //excitation case
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}
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//Обновляем значени угла и энергии независимо ни от чего
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// updating energy and angle
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pos.substractE(delta.first)
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//Изменение угла
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pos.addTheta(delta.second / 180 * Math.PI)
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return pos
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@ -389,13 +387,13 @@ class Simulator(
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//Генерируем случайный фи
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val phi = generator.nextDouble() * 2.0 * Math.PI
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//change to real angles
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// change to real angles
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val realTheta = realTheta()
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//Создаем начальный вектор в сферических координатах
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// Initial vector in spherical coordinates
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val init = SphericalCoordinates(1.0, 0.0, realTheta + dTheta)
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// Задаем вращение относительно оси, перпендикулярной исходному вектору
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// Rotating on an axis perpendicular to the initial vector
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val rotate = SphericalCoordinates(1.0, 0.0, realTheta)
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// поворачиваем исходный вектор на dTheta
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// Rotation the initial vector
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val rot = Rotation(rotate.cartesian, phi, null)
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val result = rot.applyTo(init.cartesian)
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@ -18,6 +18,9 @@ infix fun ClosedFloatingPointRange<Double>.step(step: Double): Sequence<Double>
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}
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/**
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* Extract cross-sections from the code
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*/
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fun main() {
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val energies = ((1.0..20.0) step 0.2).toList() // energy in keV
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29
src/main/kotlin/ru/inr/mass/trapping/simulateFullRange.kt
Normal file
29
src/main/kotlin/ru/inr/mass/trapping/simulateFullRange.kt
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@ -0,0 +1,29 @@
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package ru.inr.mass.trapping
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import java.time.Duration
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import java.time.Instant
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fun main() {
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//val z = doubleArrayOf(-1.736, -1.27, -0.754, -0.238, 0.278, 0.794, 1.31, 1.776)
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//val b = doubleArrayOf(3.70754, 0.62786, 0.60474, 0.60325, 0.60333, 0.60503, 0.6285, 3.70478)
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// System.out.println("Press any key to start...");
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// System.in.read();
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val startTime = Instant.now()
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System.out.printf("Starting at %s%n%n", startTime.toString())
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SimulationManager().apply {
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comment = "Out of the box cross-sections"
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fileName = "trap-full-range"
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setFields(0.6, 3.6, 7.2)
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gasDensity = 1e19 // m^-3
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initialE = 18500.0
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range = 16000.0
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}.simulateAll(1_000_001)
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val finishTime = Instant.now()
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System.out.printf("%nFinished at %s%n", finishTime.toString())
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System.out.printf("Calculation took %s%n", Duration.between(startTime, finishTime).toString())
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}
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