simulateModel("Buildings.Media.Specialized.Air.Examples.PerfectGasDerivativeCheck", startTime=273.15, stopTime=373.15, method="dassl", resultFile="PerfectGasDerivativeCheck");
createPlot(id = 1,
 y = {"der(hLiqSym)", "der(hLiqCod)", "der(hSteSym)", "der(hSteCod)", "der(hAirSym)", "der(hAirCod)"},
 grid = true);
