69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
/*
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* Copyright 2002 California Institute of Technology
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*/
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#include "cantera/IdealGasMix.h"
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#include "cantera/equilibrium.h"
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using namespace std;
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using namespace Cantera;
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int main(int argc, char** argv)
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{
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#ifdef _MSC_VER
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_set_output_format(_TWO_DIGIT_EXPONENT);
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#endif
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try {
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IdealGasMix g("gri30.xml", "gri30_mix");
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double pres = 1.0E5;
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g.setState_TPX(1500.0, pres, "CH4:0.3, O2:0.3, N2:0.4");
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equilibrate(g, "TP", -1);
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cout << g;
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double enth = g.enthalpy_mass();
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printf(" enth = %g\n", enth);
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enth -= 1.0E5;
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printf("attempted equil at (H,P) = %10.5g, %10.5g\n", enth, pres);
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g.setState_HP(enth, pres);
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equilibrate(g, "HP", -1);
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cout << g;
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double entrop = g.entropy_mass();
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printf(" entropy = %g\n", entrop);
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entrop += 1.0E2;
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printf("attempted equil at (S,P) = %10.5g, %10.5g\n", entrop, pres);
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g.setState_SP(entrop, pres);
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equilibrate(g, "SP", -1);
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cout << g;
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double dens = g.density();
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printf(" dens = %g\n", dens);
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dens *= 0.9;
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double vol = 1.0/dens;
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printf("attempted equil at (S,V,dens) = %10.5g, %10.5g, %10.5g\n", entrop, vol, 1.0/vol);
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g.setState_SV(entrop, vol);
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equilibrate(g, "SV", -1);
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cout << g;
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double temp = 1800.;
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printf("attempted equil at (T,V, dens) = %10.5g, %10.5g, %10.5g\n", temp, vol, 1.0/vol);
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g.setTemperature(temp);
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equilibrate(g, "TV", -1);
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cout << g;
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double inte = g.intEnergy_mass();
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printf(" inte = %g\n", inte);
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inte -= 1.0E5;
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printf("attempted equil at (U,V,dens) = %10.5g, %10.5g, %10.5g\n", inte, vol, 1.0/vol);
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g.setState_UV(inte, vol);
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equilibrate(g, "UV", -1);
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cout << g;
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return 0;
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} catch (CanteraError) {
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showErrors(cerr);
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cerr << "program terminating." << endl;
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return -1;
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}
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}
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