PhiTestPostProcessingStrategy.cpp

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//  This file is part of VirtualFluids. VirtualFluids is free software: you can
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//  for more details.
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//  SPDX-License-Identifier: GPL-3.0-or-later
//  SPDX-FileCopyrightText: Copyright © VirtualFluids Project contributors, see AUTHORS.md in root folder
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//=======================================================================================
#include "PhiTestPostProcessingStrategy.h"
 
#include "Utilities/Results/AnalyticalResults/AnalyticalResult.h"
#include "Utilities/Calculator/FFTCalculator/FFTCalculator.h"
#include "Utilities/Results/SimulationResults/SimulationResults.h"
 
#include "Tests/PhiTest/PhiTestParameterStruct.h"
 
std::shared_ptr<PhiTestPostProcessingStrategy> PhiTestPostProcessingStrategy::getNewInstance(std::shared_ptr<SimulationResults> simResult, std::shared_ptr<AnalyticalResults> analyticalResult, std::shared_ptr<PhiTestParameterStruct> testPara, std::vector<std::string> dataToCalcTests)
{
    return std::shared_ptr<PhiTestPostProcessingStrategy>(new PhiTestPostProcessingStrategy(simResult, analyticalResult, testPara, dataToCalcTests));
}
 
PhiTestPostProcessingStrategy::PhiTestPostProcessingStrategy(std::shared_ptr<SimulationResults> simResult, std::shared_ptr<AnalyticalResults> analyticalResult, std::shared_ptr<PhiTestParameterStruct> testPara, std::vector<std::string> dataToCalcTests)
    : PostProcessingStrategyImp(simResult), analyticalResult(analyticalResult), dataToCalculate(dataToCalcTests)
{
    startTimeStepCalculation = testPara->startTimeStepCalculation;
    endTimeStepCalculation = testPara->endTimeStepCalculation;
    phiDiff.resize(dataToCalculate.size());
 
    isEvaluated = false;
    fftCalculator = FFTCalculator::getInstance();
}
 
std::vector<std::vector<double> > PhiTestPostProcessingStrategy::reduceDataToTimeSteps(std::vector<std::vector<double> > data)
{
    std::vector<int> timeStepsToDelete;
 
    for (int i = simResult->getTimeSteps().size() - 1; i >= 0; i--) {
        if (simResult->getTimeSteps().at(i) > endTimeStepCalculation)
            timeStepsToDelete.push_back(i);
        if (simResult->getTimeSteps().at(i) < startTimeStepCalculation)
            timeStepsToDelete.push_back(i);
    }
 
    for (int i = 0; i < timeStepsToDelete.size(); i++)
        data.erase(data.begin() + timeStepsToDelete.at(i));
 
    return data;
}
 
void PhiTestPostProcessingStrategy::evaluate()
{
    if (!isEvaluated) {
        bool transpose = false;
        int xNodes = simResult->getNumberOfXNodes();
        int zNodes = simResult->getNumberOfZNodes();
        int timeStepLength = simResult->getTimeStepLength();
        for (int i = 0; i < dataToCalculate.size(); i++) {
            std::vector<std::vector<double>> basicData;
            if (dataToCalculate.at(i) == "Vx")
                basicData = simResult->getVx();
            if (dataToCalculate.at(i) == "Vy")
                basicData = simResult->getVy();
            if (dataToCalculate.at(i) == "Vz") 
                basicData = simResult->getVz();
            if (dataToCalculate.at(i) == "Press")
                basicData = simResult->getPress();
            if (dataToCalculate.at(i) == "Rho")
                basicData = simResult->getRho();
 
            std::vector<std::vector<double>> dataForCalculation;
            dataForCalculation = reduceDataToTimeSteps(basicData);
            phiDiff.at(i) = fftCalculator->calcPhiDiff(dataForCalculation, transpose, xNodes, zNodes, timeStepLength);
        }
        isEvaluated = true;
    }
}
 
double PhiTestPostProcessingStrategy::getPhiDiff(std::string dataToCalc)
{
    for (int i = 0; i < dataToCalculate.size(); i++)
        if(dataToCalculate.at(i) == dataToCalc)
            return phiDiff.at(i);
}