87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
#include "cantera/IdealGasMix.h" // defines class IdealGasMix
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#include <cstdio>
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using namespace Cantera;
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// The program is put into a function so that error handling code can
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// be conveniently put around the whole thing. See main() below.
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void demoprog()
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{
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printf("\n\n**** Testing modifying NASA polynomial coefficients ****\n\n");
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IdealGasMix gas("h2o2.cti","ohmech");
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int nsp = gas.nSpecies();
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int type;
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doublereal c[15];
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doublereal minTemp, maxTemp, refPressure;
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// get a reference to the species thermo property manager
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SpeciesThermo& sp = gas.speciesThermo();
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int n, j;
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// these constants define the location of coefficient "a6" in the
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// cofficient array c. The c array contains Tmid in the first
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// location, followed by the 7 low-temperature coefficients, then
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// the seven high-temperature ones.
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const int LOW_A6 = 6;
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//const int HIGH_A6 = 13;
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for (n = 0; n < nsp; n++) {
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printf("\n\n %s (original):", gas.speciesName(n).c_str());
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// get the NASA coefficients in array c
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sp.reportParams(n, type, c, minTemp, maxTemp, refPressure);
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// print the unmodified NASA coefficients
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printf("\n ");
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for (j = 1; j < 8; j++) {
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printf(" A%d ", j);
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}
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printf("\n low:");
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for (j = 1; j < 8; j++) {
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printf(" %10.4E ", c[j]);
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}
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printf("\n high:");
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for (j = 8; j < 15; j++) {
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printf(" %10.4E ", c[j]);
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}
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printf("\n ");
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// print the modified NASA coefficients
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printf("\n\n %s (modified):", gas.speciesName(n).c_str());
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printf("\n ");
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for (j = 1; j < 8; j++) {
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printf(" A%d ", j);
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}
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printf("\n low:");
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for (j = 1; j < 8; j++) {
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printf(" %10.4E ", c[j]);
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}
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printf("\n high:");
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for (j = 8; j < 15; j++) {
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printf(" %10.4E ", c[j]);
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}
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printf("\n ");
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}
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}
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int main()
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{
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try {
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demoprog();
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} catch (CanteraError& err) {
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std::cout << err.what() << std::endl;
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}
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}
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